2 moles of KClO3 will be required to make 6 moles of KCl.
KClO3 decomposes upon heating into KCl and O2. The balanced chemical equation for this reaction is 2 KClO3 → 2 KCl + 3 O2. From the equation, it can be observed that for every 2 moles of KClO3, 2 moles of KCl are produced. This is because the stoichiometric ratio between KClO3 and KCl is 1:1. As we know that 6 moles of KCl is required, we can use this ratio to determine the amount of KClO3 required. We can set up a proportion as follows:2 moles KClO3 / 2 moles KCl = x moles KClO3 / 6 moles KCl.
Solving for x, we get: x moles KClO3 = 6 moles KCl * 2 moles KClO3 / 2 moles KCl= 6 moles KClO3. Hence, 2 moles of KClO3 will be required to make 6 moles of KCl.
Learn more about moles here:
https://brainly.com/question/15209553
#SPJ11
A LOAEL is defined as:
The lowest hazard ratio in rats and mice
The Litany Of Adverse Elemental Liquidations
The lowest dose that demonstrates a significant increase in an observable adverse effect
The lowest level without an effect on biomarkers of exposure
The lowest level that causes death in 50% of the population over a defined period of time
A LOAEL is defined as the lowest dose that demonstrates a significant increase in an observable adverse effect. The term LOAEL stands for "Lowest Observed Adverse Effect Level."
When testing chemicals and other substances for toxicity, the goal is to determine the concentration or dose at which adverse effects begin to appear. The LOAEL is the lowest dose at which an adverse effect is observed. This value can be used to establish a safe level of exposure to a substance.
To determine the LOAEL, a series of tests are conducted in which different doses of the substance being tested are administered to test animals. The animals are observed for any adverse effects, such as changes in behavior, weight loss, or organ damage. The lowest dose at which an adverse effect is observed is the LOAEL.
It is important to note that the LOAEL is a relative measure of toxicity. It only provides information on the dose at which an adverse effect is first observed and not on the severity of the effect. In addition, the LOAEL may vary depending on the species tested and other factors.
In summary, the LOAEL is the lowest dose at which an observable adverse effect is detected. This value is used to establish a safe level of exposure to a substance.
To know more about element visit:
https://brainly.com/question/33440356
#SPJ11
(Forgot to ask this question last time)
Which is true about molecules?
A. A molecule is two or more atoms joined
together.
B. A molecule is two or more protons joined
together.
C. A molecule is two or more neutrons bonded
together.
Answer:
A is the correct answer.
If 3.57 g of barium sulfate is formed, how many grams of sodium sulfate reacted
Answer:2.18 g.
Explanation:To find the mass of sodium sulfate reacted, we use the balanced chemical equation to know that 1 mole of sodium sulfate reacts with 1 mole of barium sulfate. From the given mass of barium sulfate formed, we calculate the number of moles of barium sulfate. Since the stoichiometry of the reaction is 1:1, the number of moles of sodium sulfate reacted is the same as the number of moles of barium sulfate formed. We then use the molar mass of sodium sulfate to calculate the mass of sodium sulfate reacted. The final answer is 2.18 g.
Which of the following could be the electron configuration of a transition metal ion?
A 1s22s22p63s23p64s2
B 1s22s22p63s23p6
C 1s22s22p63s23p64s23d5
D 1s22s22p63s23p64s23d104p2
Your answer: The electron configuration of a transition metal ion is C 1s22s22p63s23p64s23d5. This configuration represents a transition metal ion because it has partially filled d orbitals (3d5) after the 4s orbital, which is a characteristic of transition metal ions.
The electron configuration of a transition metal ion depends on the specific element and the number of electrons it has lost or gained to become an ion. However, option C, 1s22s22p63s23p64s23d5, could be a possible electron configuration for a transition metal ion. This is because the presence of both 4s and 3d electrons is a characteristic feature of transition metals. It is important to note that the question does not provide information about which specific transition metal the ion belongs to or its charge, which could affect its electron configuration.
To know more about transition metal visit:
https://brainly.com/question/29828769
#SPJ11
Find w, xx, yy and zz such that the following chemical reaction
is balanced.
32+xH2→y(H)2+zH3
In order to balance the chemical equation 32 + xH2 → y(H)2 + zH3, we need 32 moles of hydrogen gas (H2), x = 16 moles of H2, y = 32 moles of H, and z = 16 moles of H3.
To balance a chemical equation, we need to ensure that the number of atoms on both sides of the equation is equal. In this case, we have 32 hydrogen atoms (H) on the left side, represented by xH2, and we need to determine the values of x, y, and z to balance the equation.
On the right side, we have y(H)2, which means we have 2y hydrogen atoms. Similarly, we have zH3, which represents 3z hydrogen atoms.
To balance the equation, we need to find values for x, y, and z that satisfy the condition. Since we have 32 hydrogen atoms on the left side, we can set up the equation:
2y + 3z = 32
To simplify the equation, we can divide both sides by the greatest common divisor of 2 and 3, which is 1. This gives us:
2y + 3z = 32
To find a solution for this equation, we can try different values for y and z that satisfy the equation. After some trial and error, we find that y = 32 and z = 16 satisfy the equation.
Therefore, the balanced chemical equation is:
32 + 16H2 → 32(H)2 + 16H3
Learn more about balancing a chemical equation :
https://brainly.com/question/14072552
#SPJ11
what is saturated solution?12
Answer:
A solution in which the maximum amount of solvent has been dissolved
Explanation:
For example, 36g of salt in 100g of water.
a student prepared a stock solution by dissolving 10.0 g of koh in enough water to make 150. ml of solution. she then took 15.0 ml of the stock solution and diluted it with enough water to make water to make 65.0 ml of a final solution. what is the concentration of koh for the final solution?a student prepared a stock solution by dissolving 10.0 g of koh in enough water to make 150. ml of solution. she then took 15.0 ml of the stock solution and diluted it with enough water to make water to make 65.0 ml of a final solution. what is the concentration of koh for the final solution?0.356 m2.81 m0.274 m3.65 m
The concentration of KOH in the final solution is approximately 0.0153 M.
The stock solution is prepared by dissolving 10.0 g of KOH in enough water to make 150 ml of solution. This gives us the concentration of the stock solution.
Concentration of stock solution = mass of solute / volume of solution
Concentration of stock solution = 10.0 g / 150 ml = 0.067 M
The student then takes 15.0 ml of the stock solution and dilutes it with enough water to make 65.0 ml of the final solution.
To calculate the concentration of the final solution, we can use the dilution equation:
C1V1 = C2V2
Where:
C1 = concentration of stock solution
V1 = volume of stock solution used
C2 = concentration of the final solution
V2 = volume of the final solution
Plugging in the values:
(0.067 M)(15.0 ml) = C2(65.0 ml)
Solving for C2 (concentration of the final solution):
C2 = (0.067 M)(15.0 ml) / 65.0 ml
C2 = 0.0153 M
Therefore, the concentration of KOH in the final solution is approximately 0.0153 M.
Learn more about concentration here
https://brainly.com/question/13872928
#SPJ11
determine the mass of a 23.6cm3 sample of graphite that is at 25 degree celsius.
Answer:
hkgjgufigifoffoodododofoddododo
Find the density of a 50 g irregular solid with a volume milliliters
0.666g/ml is the density of a 50 g irregular solid with a volume 75 milliliters. Another way to state density is in kilograms per cubic meter.
What is density?Density is the mass of a specific material per unit volume. d = M/V, in which d is density, M is weight, and V is volume, is the formula for density. Grams per cubic centimeter are a typical unit of measurement for density.
For instance, whereas Earth has a density of 5.51 milligrams, water has a density of 1 milligrams. Another way to state density is in kilograms per cubic meter (in metre-kilogram-second or SI units).
density=mass/ volume
=50 g /75 milliliters=0.666g/ml
Therefore, 0.666g/ml is the density of a 50 g irregular solid with a volume 75 milliliters.
To know more about density, here:
brainly.com/question/13434141
#SPJ1
Which element forms an ion that is larger than its atom
Answer:
Electronegative element form anion that is larger than its neutral atom like fluorine F-
Explanation:
How many mL of butane would you
add to hexane to make 750 mL of a
25.0% by volume butane solution?
In order to create a 750 mL solution that is 25.0% by volume butane, hexane must have 1.8891687657 mL of butane added to it.
How can the quantity of solute required to create a solution be calculated?Given that water has a density of 1 g/ml, the following equation can be used to determine how much solute need be added to create a solution with a weight percentage, grams of solute are calculated as follows (wt% solution) x (ml of water) (100 - wt% solution)
% of Volume, When a solute's volume and a solution's volume are both known, the concentration of the solution is expressed as a volume percent: Volume%=Volume of Solute The solution's volume is 100% Se.
Grams of solute are calculated as follows (wt% solution) x (ml of water) (100 - wt% solution).
Explanation:
(25% * 750)/(100 - 25%)
(0.25 * 750) / (100 - 0.25)
187.5 / 99.25 = 1.8891687657.
To learn more about Volume of a solution refer to:
https://brainly.com/question/19379932
#SPJ1
Answer: 190
Explanation: 190/750 = 0.25333333333
an organism where circulatory fluid bathes the organs directly is an example of
An organism where circulatory fluid bathes the organs directly is an example of open circulatory system.
Open circulatory system is a form of circulatory system where there is no difference between blood and interstitial fluid since the hemolymph bathes the organs and tissues directly.
The circulatory system is an organ system in charge of distributing molecules like oxygen, nutrients, and gases throughout the body. The two different types of circulatory systems are the closed and the open systems. The method by which blood is transported inside an animal's body determines the difference. The blood is not restricted within blood arteries in an open circulatory system. The organs and tissues receive a direct blood bath. Because of this, there is no differentiation between the blood and the interstitial fluid. As a result, hemolymph is utilized.
Learn more about Circulatory System here:
https://brainly.com/question/3597250
#SPJ4
13. Kelly is the dishes and decides to unfortunately wash her mother cast iron skillet by placing it in a sink full of water. After she's done washing it and leaves it to dry on the rack, she notices it's starting to turn weird colors. After first she thinks nothing of it until her mom calls her to the kitchen a day later as she's putting the dishes up. She is holding the iron skillet and she looks very upset. She shows Kelly how the iron has changed colors and tells her the skillet is ruined. What happened to the iron skillet considering if this is a physical or chemical property and which of the Metal VS Nonmetal properties has taken place?
Answer:
The skillet got rusted.
Explanation:
In the context, Kelly kept the iron skillet in the sink which is full of water. After washing the dishes, she noticed the skillet's color is starting to change. She kept it for dry on the rack but the day later the skillet was ruined and damaged.
It was a chemical and physical change in the property of the metal where the iron skillet which was kept in the sink full of water oxidized due to the water content and the iron got oxidized to form form iron oxide which is known as rust. It damages the utensil and the color changes to muddy red or brownish red.
As the moon orbits the ______________, its gravitational pull is______________ on the side of the earth closest to the ______________.This ______________ force pulls on the water facing the moon,creating a ______________. The moon also ______________ on the solidearth, causing the water on the far side of earth to ______________as well. These bulges in the water are the ______________.The areas in between the close and far side of the earth which are not in ______________ with the moon experience ______________.
pls help i give brainlyest
Answer:
Earth
Strongest
Moon
Gravitational
Tide
Pulls
Bulge
Waves
Proximity
Low Tide
When table salt (sodium chloride which ionizes into Na and Cl ) is added to alginate, a geldoes not form and spherification does not occur. This happens because:L.✓Alginate requires a doubly charged cation to crosslinkM. The salt is negatively charged and repels the alginateN.The alginate is a doubly charged anionO.✓The salt only has one positive charge that neutralizes the negative charge in thealginate
When table salt (sodium chloride which ionizes into Na and Cl) is added to alginate, a gel does not form and spherification does not occur. This happens because the salt only has one positive charge that neutralizes the negative charge in the alginate.
There are various types of Spherification. Spherification is the creation of small spheres with a thin film on the surface and a liquid center. The process of spherification is mostly used in molecular gastronomy to make small, flavorful balls of liquid ingredients that burst in the mouth when bitten into. The method involves a process of encapsulating liquid droplets in a sphere made of a gel-like film. This process requires sodium alginate (E401), a gel-forming ingredient that thickens the liquids.
Sodium alginate gelation occurs as a result of the mixture of an alginate solution with a cation solution that causes the solution to gel. The sodium ions present in the solution swap with calcium ions present in the cation solution, causing a gel to form. This occurs as a result of a chemical reaction known as cross-linking. When table salt is added to the alginate solution, a gel does not form and spherification does not occur since the salt only has one positive charge that neutralizes the negative charge in the alginate. Alginate requires a doubly charged cation to cross-link.
Learn more about cations at https://brainly.com/question/14309645
#SPJ11
what are the factors affecting gravity?
Gravity, as a fundamental force of nature, is influenced by several factors. The following are some of the key factors affecting gravity:
Mass: The most significant factor affecting gravity is the mass of the objects involved. According to Newton's law of universal gravitation, the gravitational force between two objects is directly proportional to the product of their masses. Greater mass leads to a stronger gravitational force.Distance: The distance between two objects also plays a crucial role in the strength of gravity. According to the inverse square law, the gravitational force decreases as the distance between objects increases. As objects move farther apart, the gravitational attraction between them weakens.Gravitational Constant: The gravitational constant, denoted by G, is a fundamental constant in physics that determines the strength of the gravitational force. It is a universal constant and does not change, affecting the overall magnitude of gravity.Shape and Distribution of Mass: The distribution of mass within an object can influence the gravitational field it generates. Objects with a more compact and concentrated mass distribution will have a stronger gravitational pull compared to those with a more spread-out mass distribution.External Influences: Gravity can be influenced by external factors such as nearby celestial bodies or the presence of other forces. For example, the gravitational interaction between the Earth and the Moon affects tides on Earth's surface.Extra was made by mixing different components together but it appears to have only one phase which term best describes categorizes make sure a
Solution is the term which best describes mixture A which was made by mixing different components together but has only one phase.
What is solution?Any mixture of one or more solutes that have been dissolved in a solvent is referred to as a solution.To create a homogenous mixture, a solute must dissolve in a solvent.The material known as a solute dissolves in a solvent to form a homogenous mixture.The material that is present in the highest concentration is called a solvent.A true solution won't spin apart in a centrifuge.It has a uniform distribution of particles.Example of homogenous mixture is the solution of salt and water.Learn more about solution here:
https://brainly.com/question/13812915
#SPJ4
For an alloy that consists of 67 at% Zn and 33 at% Cu, what are the concentrations of (a) Zn and (b) Cu in weight percent? The atomic weights of Zn and Cu are 65.39 and 63.54 g/mol, respectively.
(a) CZn = %
(b) CCu = %
The weight percentages of Zn and Cu in the given alloy are 47.67% and 52.33%
Given: an alloy that consists of 67 at% Zn and 33 at% Cu
Atomic weights: Zn = 65.39 g/mol, Cu = 63.54 g/mol
Converting atomic percentage to weight percentage for an alloy
To calculate weight percentage from atomic percentage, the atomic weights of the elements are needed.
The total number of atoms present in the alloy will be considered as 100 atoms.
Therefore, percentage of each metal is calculated as follows;
Percentage of Zn = 67/100 * 65.39/((67/100 * 65.39) + (33/100 * 63.54))
Percentage of Cu = 33/100 * 63.54/((67/100 * 65.39) + (33/100 * 63.54))
Concentration of Zn in weight percent isCZn = Percentage of Zn = 47.67%
Concentration of Cu in weight percent isCCu = Percentage of Cu = 52.33%
Therefore, the weight percentages of Zn and Cu in the given alloy are 47.67% and 52.33% respectively.
Learn more about weight from the given link
https://brainly.in/question/27839304
#SPJ11
CaC2 + 2H2O → C2H2 + Ca(OH)2If 4.8 moles of CaC2 are consumed in this reaction, how many grams of H2O are needed?
The given reaction is already balanced, that is to say tha the number of atoms in the reactants matches the number of atoms in the products. In the reaction, we can see the relationship between CaC2 and H2O. For each mole of CaC2 two moles of H2O react.
So, if 4.8 moles of CaC2 are consumed the moles of H2O needed will be:
Mol of H2O = Mol of CaC2 x 2
Mol of H2O = 4.8 x 2 = 9.6 mol of H2O
Now, to calculate the grams of H2O we will use the following equation and the mass molar of H2O.
Mass molar of H2O =18.01 g/mol
\(\begin{gathered} \text{Mass of H2O=Mol of H2O }\times Mass\text{ molar of H2O} \\ \text{Mass of H2O = 9.6 mol }\times18.01\frac{\text{ g}}{mol} \\ \text{Mass of H2O = 172.9 g} \end{gathered}\)So, if 4.8 moles of CaC2 are consumed in this reaction, 172.9 g of H2O are needed
If an asteroid has a semi-major axis of 73.4AU, then its orbital period in years carried out to 4 ) significant digits would be: Recall Kepler's 3
rd
law: a
AU
3
3=P
yr
2
If an asteroid has a semi-major axis of 73.4AU, then its orbital period in years carried out to 4 ) significant digits would be: Recall Kepler's 3
rd
law: a
AU
3
3=P
yr
2
The orbital period of the asteroid, carried out to 4 significant digits, is approximately 1652.0 years.
To find the orbital period (P) of an asteroid with a given semi-major axis (a), we can use Kepler's third law:
a³ = P²
Given that the semi-major axis (a) is 73.4 AU, we can substitute this value into the equation and solve for the orbital period (P):
(73.4 AU)³ = P²
(73.4)³ AU³ = P²
P² = (73.4)³ AU³
Taking the square root of both sides:
P = sqrt((73.4)³) AU
Using a calculator to evaluate the expression, we find:
P ≈ 1652.0 AU
Therefore, the orbital period of the asteroid, carried out to 4 significant digits, is approximately 1652.0 years.
Learn more about orbital period from the link given below.
https://brainly.com/question/31543880
#SPJ4
Food provides calories needed by the body for energy. However, the body must use energy between meals when food is not consumed. What is the most likely response of the body when more energy is needed than the calories that have been consumed?.
When more energy is needed than the calories that have been consumed to release energy from lipids stores throughout the body.
What do food calories mean?Calories are the unit of energy used by your body during food digestion and absorption. A meal might provide your body extra energy if it contains more calories. Your body stores extra calories as body fat if you eat more food than you need. Even foods without fat might have a significant number of calories.
How can I burn calories?The most effective way to burn calories is through aerobic exercise, which includes sports like swimming, cycling, and walking. Include at least 30 minutes of exercise each day as a general goal.
To know more about Calories visit:
https://brainly.com/question/22374134
#SPJ9
If the same large amount of heat is added to a 250 g piece of aluminum and a 150 g piece of aluminum, what will happen?
22. Which of the following elements has the smallest electron affinity? A. carbon C. neon B, oxygen D. flourine
Answer:
carbon
Explanation: carbon is the answer
Identify one disadvantage to each of the following models of electron configuration:
Dot structures
Arrow and line diagrams
Written electron configurations
Type in your answer below.
Answer:
Include:
--Dot structures do not show the distribution of electrons in orbitals and take up a lot of space.
--Arrow and line diagrams take up a lot of space and make it difficult to count electrons.
--Written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.
I Hope This Helps You!
Answer:
Dot structures do not show the distribution of electrons in orbitals and take up a lot of space.
Arrow and line diagrams take up a lot of space and make it difficult to count electrons.
Written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.
Explanation:
edge.
WILL MARK BRAINLIEST FOR CORRECT ANSWER
Continue reading from Ruby Bridges’s autobiography.
We drove down North Galvez Street to the point where it crosses Alvar. I remember looking out of the car as we pulled up to the Frantz school. There were barricades and people shouting and policemen everywhere. I thought maybe it was Mardi Gras, the carnival that takes place in New Orleans every year. Mardi Gras was always noisy.
As we walked through the crowd, I didn’t see any faces. I guess that’s because I wasn’t very tall and I was surrounded by the marshals. People yelled and threw things. I could see the school building, and it looked bigger and nicer than my old school. When we climbed the high steps to the front door, there were policemen in uniforms at the top. The policemen at the door and the crowd behind us made me think this was an important place.
It must be college, I thought to myself.
–Through My Eyes,
Ruby Bridges
What evidence in the text supports the idea that Bridges did not realize the significance of her first day? Check all that apply.
“I remember looking out of the car as we pulled up to the Frantz school.”
“I thought maybe it was Mardi Gras.”
“As we walked through the crowd, I didn’t see any faces.”
“[The school] looked bigger and nicer than my old school.”
“The crowd behind us made me think this was an important place.”
“It must be college, I thought to myself.”
Answer: I remember looking out of the car as we pulled up to the Frantz school.”
“I thought maybe it was Mardi Gras.”
“As we walked through the crowd, I didn’t see any faces.”
“[The school] looked bigger and nicer than my old school.”
“The crowd behind us made me think this was an important place.”
“It must be college, I thought to myself.
Explanation:
“I thought maybe it was Mardi Gras.”
“[The school] looked bigger and nicer than my old school.”
“It must be college, I thought to myself.”
The bond enthalpy of the N-N triple bond is 418kj/mol. Which statement about the N2 molecule is correct?
The bond enthalpy of the N-N triple bond is 418kj/mol. The correct statement about the N2 molecule is correct is that It requires less energy to break the bonds in molecule A than it does in molecule B.
What is a molecule?A molecule is described as a group of two or more atoms held together by attractive forces known as chemical bonds
In chemistry, bond energy (E) or bond enthalpy (H) is the measure of bond strength in a chemical bond which means that the higher the bond enthalpy, the more energy is needed to break the bond and the stronger the bond.
The lower the bond enthalpy, the lesser energy is needed to break the bond and the weaker the bond.
So we can say that the e correct option is A. Since A has a lower energy value compared to B, it would take a lesser amount of energy to break the bonds in A.
Learn more about bond enthalpy at: https://brainly.com/question/29070151
#SPJ1
#completye question:
The bond enthalpy of the N-N triple bond is 418kj/mol. Which statement about the N2 molecule is correct?
A. It requires less energy to break the bonds in molecule A than it does in molecule B.
B.It requires more energy to break the bonds in molecule A than it does in molecule B.
C. Molecule A is more stable than molecule B.
D. Molecule A has stronger bonds than molecule B.
what is the rate of diffusion? select the correct answer below: the process of molecules dispersing in space in response to differences in concentration the escape of gas molecules through a tiny hole into a vacuum the amount of gas passing through some area per unit of time none of the above
The rate of diffusion is defined as gas flowing through a space at a given rate at a unit time.
What is graham's law of diffusion?Graham's law of diffusion states that a gas's rate of diffusion is inversely proportionate to its density. Diffusion is the term used to describe the transfer of gas molecules along a concentration gradient. This phenomenon is known as effusion when it allows them to escape through a small hole while under pressure.
Gas diffusion rate is determined by time divided by the volume of the gas diffusion.
What are factors affecting diffusion rate?The amount of surface area available for diffusion.The concentration gradient (the change in concentration from one spot to another).And the required transit distance all affect how quickly gas particles diffuse.To know more about diffusion, visit:
https://brainly.com/question/12415336
#SPJ4
Brian has two solutions that contain alcohol and is mixing them with each other. Solution A is alcohol and Solution B is alcohol. He uses milliliters of Solution A. How many milliliters of Solution B does he use, if the resulting mixture is a alcohol solution?
Therefore, Brian needs to use approximately 1200 milliliters of Solution B to obtain a resulting mixture with 291 milliliters of pure alcohol.
Let's solve the problem step by step:
Let x be the volume of Solution B in milliliters that Brian uses.
According to the given information:
Solution A is 11% alcohol, which means it contains 11 milliliters of alcohol per 100 milliliters of solution.
Solution B is 16% alcohol, which means it contains 16 milliliters of alcohol per 100 milliliters of solution.
To calculate the total amount of alcohol in the resulting mixture, we can set up the following equation:
(11/100) × (x - 300) + (16/100) × x = 291
Let's solve this equation for x:
(11/100) × x - (11/100) × 300 + (16/100) × x = 291
(11/100 + 16/100) × - (11/100) × 300 = 291
(27/100) × x- (11/100) × 300 = 291
(27/100) × x = 291 + (11/100) × 300
(27/100) × x = 291 + 33
(27/100) × x = 324
Now, we can solve for x:
x = (324 × 100) / 27
x ≈ 1200 milliliters
Therefore, Brian needs to use approximately 1200 milliliters of Solution B to obtain a resulting mixture with 291 milliliters of pure alcohol.
To know more about resulting mixture:
https://brainly.com/question/29305292
#SPJ4
--The question is incomplete, the given complete question is:
"Brian has two solutions that contain alcohol and is mixing them with each other. He uses 300 milliliters less of Solution A than Solution B. Solution A is 11% alcohol and Solution B is 16% alcohol. How many milliliters of Solution B does he use, if the resulting mixture has 291 milliliters of pure alcohol?"--
you consider starting material a. you know that a can undergo two irreversible reactions as shown in the below reaction coordinate diagram with one reaction pathway labeled in red and one reaction pathway labeled in blue. the red path leads to product b, while the blue path leads to product c. assuming both reaction pathways occur simultaneously in competition with each other, what is the major product, and why?
Product B because it has a lower energy level than Product C's transition state, which leads to Product C.
What are reaction pathways?The series of reactions required to create a desired product are described by a reaction pathway. The distribution strategy for a product is determined by things like percentage yield. Atomic economics. reaction time. is a connected graph with chemical species as its nodes. If a reaction transfers material from one species to the other, an edge unites the two. An vector from reactant toward the product is depicted as the edge.
What role do reactions pathway ?Energy, or ATP, is created by chemical reactions within our cells. All living things require energy to survive, and Adp would be a reactant that fuels a number of other chemical reactions inside cells. Cells generate energy through a process called cellular respiration.
To know more about Reaction pathways visit:
https://brainly.com/question/16047003
#SPJ4
Which structure is the Lewis structure for ammonia (NH3)?
The Lewis structure of ammonia (NH3) is represented as: H H H NH2e- 1 2 3 4 +NH3: : : Each line between the atoms represents a covalent bond, and each pair of dots represents a lone pair of electrons.
The structure that is the Lewis structure for ammonia (NH3) is a trigonal pyramid. It is also considered as the central atom with three outer atoms. This is a type of covalent bond that is present in nitrogen and hydrogen atoms in the ammonia molecule.
The Lewis structure is based on the octet rule which states that an atom wants to have 8 electrons in their outermost shell (in some cases, 2 electrons in their outermost shell for hydrogen) to achieve stability. The Lewis structure also shows the arrangement of atoms and bonds in a molecule. It helps to predict the geometry of the molecule and understand its properties.
To draw the Lewis structure of ammonia (NH3), we first need to count the total number of valence electrons in the molecule. Nitrogen has five valence electrons, and each hydrogen atom has one valence electron. So the total number of valence electrons in NH3 is 5+3(1) = 8 electrons. The nitrogen atom in NH3 is the central atom that is surrounded by three hydrogen atoms.
Nitrogen shares its three valence electrons with the three hydrogen atoms to form three covalent bonds. This results in a total of six electrons being used up, with two left over.The two remaining electrons form a lone pair on the nitrogen atom. The lone pair is responsible for the trigonal pyramid shape of the molecule.
The Lewis structure of ammonia (NH3) is represented as: H H H NH2e- 1 2 3 4 +NH3: : : Each line between the atoms represents a covalent bond, and each pair of dots represents a lone pair of electrons.
Know more about Lewis structure here:
https://brainly.com/question/31476047
#SPJ8