Answer: B
Explanation:
adjacent nucleotides in an rna chain are held together by hydrogen bonding.
RNA (ribonucleic acid) is a single-stranded molecule composed of nucleotides linked together by covalent bonds.
Each nucleotide consists of three components: a nitrogenous base, a five-carbon sugar (ribose), and a phosphate group. The nitrogenous bases in RNA include adenine (A), guanine (G), cytosine (C), and uracil (U). Adjacent nucleotides in an RNA chain are held together by phosphodiester bonds, which form between the 3' hydroxyl (OH) group of one nucleotide and the phosphate group of another nucleotide. Hydrogen bonds form between complementary nitrogenous bases, specifically between A and U, and between G and C, in RNA. These hydrogen bonds stabilize the three-dimensional structure of RNA, allowing it to carry out its various functions in the cell.
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22. What is the difference between lodine-130 and lodine-131?
The first radioiodine isotopes to be used to treat thyrotoxicosis were iodine-130 and iodine-131 in 1941, and thyroid cancer was added to their list of uses in 1943.
What is Reactor produced radioiodine?Iodine-131, the most frequently prescribed radioiodine isotope for treating thyroid conditions, is a radioactive created in reactors and is widely available in the market. Uranium-235 isotope fission and the so-called (n, ) reaction are its two primary production processes.Iodine-131 is a radioisotope that is simple to obtain in pure form as its chain yield is quite high and radioiodine isotopes with masses higher than 131 have a short half-life. Contrarily, Technetium-130 undergoes a reaction with (n, ) to produce Technetium-131m and Technetium-131g. Depending on whether a wet chemical separation or a dry distillation process is employed, TeO2 or Te-metal is the target material for irradiation.Iodine-131 has a high radiochemical purity and is marketed as a diluted sodium hydroxide solution. When using iodine-131 to identify organic molecules, it may interfere if a certain reducing agent is used to preserve the isotope in the form of iodide in certain solutions.Another radioisotope created in reactors is iodine-125, which is formed when Xenon-124 undergoes the (n, ) reaction. High chemical and radiochemical purity iodine-125 is marketed as a diluted sodium hydroxide solution. It contains 4 to 11 GBq/ml of radioactive material.To Learn more About radioiodine refer to:
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Determine how many grams of solute you would need to make .125M sucrose solutions in 250 ml and 500 ml volumetric flasks.
Answer:
Therefore, you would need 21.568 g of sucrose to make a .125M solution in a 500 ml volumetric flask.
Explanation:
To calculate the number of grams of solute you would need to make a .125M sucrose solution in a 250 ml volumetric flask, you can use the following formula:
grams of solute = (Molarity x Volume x Molecular weight) / 1000
Copy
where:
Molarity = 0.125 M
Volume = 250 ml = 0.25 L
Molecular weight of sucrose = 342.3 g/mol
Substituting these values into the formula gives:
grams of solute = (0.125 x 0.25 x 342.3) / 1000
grams of solute = 10.784 g
To calculate the number of grams of solute you would need to make a .125M sucrose solution in a 500 ml volumetric flask, you can use the same formula as above but with a different volume:
grams of solute = (Molarity x Volume x Molecular weight) / 1000
where:
Molarity = 0.125 M
Volume = 500 ml = 0.5 L
Molecular weight of sucrose = 342.3 g/mol
Substituting these values into the formula gives:
grams of solute = (0.125 x 0.5 x 342.3) / 1000
grams of solute = 21.568 g
Therefore, you would need 21.568 g of sucrose to make a .125M solution in a 500 ml volumetric flask.
Tablets taken by patients suffering from anaemia contain 0.2g of iron sulfate (FeSO4). Calculate the relative formula mass of iron sulfate. Give your answer to the nearest whole number.
Answer:
152g
Explanation:
The compound given here is iron sulfate and it is represented as;
FeSO₄
The relative formula mass of the compound is determine by the addition of its component atomic masses and them expressed in grams
Atomic mass of Fe = 55.845
S = 32.065
O = 15.994
So;
Relative formula mass = 55.845 + 32.065 + 4(15.994) = 151.886g
Therefore, solution is 152g
Answer: 152
Explanation:
12. Determine the mass in grams of each of the following.
a. 6.35 mol Al
b. 52.4 mol P
Please help❤️
Answer:
1 mole is equal to 1 moles Al, or 26.981538 grams.
Explanation:
171.3327663
1623.0250764
The mass in grams of the following is required.
The mass of Al is 171.323 g.
The mass of P is 1622.8 g.
M = Molar mass of Al = 26.98 g/mol
n = Number of moles = 6.35 mol
Mass is given by
\(m=nM\\\Rightarrow m=6.35\times 26.98\\\Rightarrow m=171.3\ \text{g}\)
The mass of Al is 171.323 g.
M = Molar mass of P = 30.97 g/mol
n = Number of moles = 52.4 mol
Mass is given by
\(m=nM\\\Rightarrow m=52.4\times 30.97\\\Rightarrow m=1622.8\ \text{g}\)
The mass of P is 1622.8 g.
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Is a measuring tape used in millimeters or centimeters
Answer: Centimeters
Explanation: no explanation needed
How many moles are there in 500cm3 of a 0.5mol/dm³ solution of sulfuric acid?
Answer:
0.25moles
Explanation:
There are 1000\(cm^{3}\) for 1\(dm^{3}\)
Therefore in 1000\(cm^{3}\) of 0.5 mol/\(dm^{3}\) solution has = 0.5 moles
Therefore 500\(cm^{3}\) contains = 0.5/1000 x 500 = 0.25moles
The number of moles of sulfuric acid in 0.5 mol/dm³ solution is equal to 0.25 mol.
What is the molarity?The concentration of the solution can be determined as the number of moles of a solute in per unit volume of a solution is known as molarity or molar concentration.
The Molarity of the solution is calculated in the following formula:
Molarity (M) = Moles (n)/Volume of the Solution (in L)
Now if we have to find the number of moles of solute in the solution, the formula becomes:
Number of moles of solute (n) = Molarity (M) × Volume of the Solution
Given, the concentration of the sulfuric acid solution = 0.5 mol/dm³
The volume of the solution, V = 500 cm³
As we know, 1 dm³ = 10³ cm³, the volume of solution = 0.5 dm³
The number of moles of the sulfuric acid = M × V
= 0.5 × 0.5 = 0.25 mol
Therefore, 0.25 moles of sulfuric acid in 500cm3 of a 0.5mol/dm³ solution of sulfuric acid.
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What is the percent sodium in sodium chloride?
The total mass of sodium chloride is 58.44 g/mol.
The mass of sodium is 22.99 g/mol.
To find the percent sodium in sodium chloride can be found by dividing the amounts.
\(\frac{22.99}{58.44}\approx0.39\)Therefore, the percent sodium is 39%.
how many grams of solid lithium must be added to liquid water in order to obtain 15.0L of hydrogen gas at 89F and at 53psi with a volume of 38 gallons Li H2O LiOH H2
Here let us assume that the volume of hydrogen produced is at STP condition. At 273 K and 1 atm, 1 mole of any gas behaving ideally occupies a volume of 22.414 L. Here the mass of solid lithium is 9.36 g.
The volume occupied by one mole of a substance at a given temperature and pressure is called its molar volume at that temperature and pressure.
The number of moles of gas is:
Number of moles = V in L / 22.414 = 15.0 / 22.414 = 0.66 moles
The reaction equation is shown below;
2Li + 2H₂O → 2LiOH + H₂
1 mole of hydrogen gas is produced from 2 moles of Li;
0.66 moles of hydrogen will be produced from 0.66 x 2 = 1.33 moles
Mass of solid lithium = number of moles x molar mass
1.33 × 7 = 9.36 g
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Compare the ability to hold on to / attract electrons between metals and nonmetals.
(Use the concepts and trends about atomic radius and electronegativity.)
Nonmetals have the ability to attract electrons better than metals because they have a higher electron affinity or electronegativity than metals.
What is electronegativity?Electronegativity is the tendency, or a measure of the ability, of an atom or molecule to attract electrons and thus form bonds.
An element in the periodic table with a high electronegativity will automatically have a high electron affinity.
Metals (low electronegativity) are known to lose electrons to non-metals (high electronegativity), hence, nonmetals have the ability to attract electrons better than metals because they have a higher electron affinity or electronegativity than metals.
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In the lewis structure of HCN. How many nonbonded (lone) electron pairs are present?
In lewis structure of HCN, we can observe one lone pair of electron.
The 7 protons in the nitrogen nucleus are balanced by the 3 electrons from the triple bond, the 2 electrons from its lone pair, and the 2 inner core electrons that make up the nitrogen nucleus. As a result, nitrogen is formally neutral.What is meant by lewis structure?The valence shell electrons in a molecule are depicted in an extremely simplified manner by a Lewis Structure. It is used to demonstrate how the electrons in a molecule are positioned around particular atoms. Electrons are shown as "dots" or, in the case of a bond, as a line connecting the two atoms.How should a Lewis structure be written?Step 1: Finding the total amount of valence electrons.Step 2: Outline the molecule's skeletal structure. Step 3: Form each bond in the skeletal structure using two valence electrons. Step 4: Try to distribute the leftover valence electrons as nonbonding electrons in order to fill the atoms' octets.To learn more about lewis structure visit:
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how do you find an electron affinity?
Answer:
Explanation:
Electron affinity is the measure of an atom 's tendency to form a negative ion. Electron affinity can be measured by the amount of energy released when an electron is added to an atom to form a negative ion. When forming a negative ion, an atom undergoes the following reaction:: atom + electron (e -) -> negative ion + energy
Baed on thi information, which type of light i more likely to damage the material?
Based on the information, UV light is more likely to damage the material.
Which kind of light has the greatest chance of warming quartz?Due to the fact that the infrared light bounces off the quartz, which increases its energy, the quartz may become warm.
The colors of paper and fabric can deteriorate due to ultraviolet light from the sun. In the presence of ultraviolet light waves, the chemicals in colored dyes can degrade. Sunburns may also result from ultraviolet radiation.
Paper and other organic materials will deteriorate, bleach, and deteriorate due to ultraviolet radiation. All of these modifications may reduce readability, affect how well artwork is regarded for its aesthetic qualities, and restrict access to the information it contains.
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as atomic radius decreases, both ionization energy and electronegativity a increases b decrease c stay the same
Answer: B!!!
Explanation:
A student measures out 0. 30 g of a metal and reacts it with water. The solution is titrated with 58. 2 mL of 0. 075M HCl. If the ratio of mold HCl/ mold of metal is 2, how many moles of metal reacted
0.30 g of metal is equal to 0.0083 moles of metal. The amount of HCl used is equal to 0.0044 moles of HCl. Thus, 0.0083 moles of metal reacted with 0.0044 moles of HCl.
What is HCL?HCL stands for Hydrochloric Acid, which is a strong, corrosive mineral acid. It is a colorless and highly pungent solution of hydrogen chloride gas in water. It is used in many industrial and household applications, such as production of polyvinyl chloride (PVC) for plastic products, leather tanning, food processing, and the pickling of steel. It is also found in many stomachs to aid in digestion, as well as in the digestive juices of certain animals such as dogs and cats.
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Carbon reacts with Oxygen to produce Carbon dioxide. If 48 grams of carbon are burned in the presence of 128 grams of oxygen, the amount of carbon dioxide that forms will be?
PLEASE ANSWER FAST
Explanation:
Moles of Carbon used
= 48g / (12g/mol) = 4.0mol.
Moles of Oxygen used
= 128g / (32g/mol) = 4.0mol.
C + O2 => CO2
Therefore 4.0mol of CO2 is produced, which is equal to 91.2dm³ or 176g. (depending on gas or solid)
with carbon dioxide what phase change takes place when the temperature increases from -40°c to 0°c at 10 atm
The phase change that takes place when the temperature increases from -40°C to 0°C at 10 atm with carbon dioxide is from solid to gas.
When carbon dioxide is cooled down, it becomes solid which is also known as dry ice. Dry ice has a temperature of -78.5 °C. When we increase the temperature of dry ice to -40 °C, it will remain in the solid phase. If we continue to increase the temperature of dry ice to 0 °C, it will start sublimating and convert to the gas phase without passing through the liquid phase. This process is called sublimation.
At a pressure of 10 atm, CO2 will sublimate at a temperature of -56.6°C.Sublimation is a phase transition from a solid directly to a gas. This change happens because the solid's vapor pressure exceeds the ambient atmospheric pressure. Dry ice, for instance, is a substance that undergoes sublimation when heated. When solid carbon dioxide is heated, it transitions directly from a solid to a gas without going through a liquid stage.
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how much energy is required to ionize hygrogen in each of the following states? (a) ground state
The energy needed is the energy that changes. The electron in a hydrogen atom is initially assumed to be in the ground state with n=1. The energy of the electron in its ground state is therefore 13.6 eV.
As a result, 12.75eV of the energy is needed to transfer electrons from the ground state to the third excited state. The 4th and 5th ionisation the energies differ significantly from one another. The fourth electron is attracted to the nucleus atom considerably less strongly than the fifth electron because it is in an inner main shell that is closer to the nucleus.
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A bag contains exactly 22 solid-colored buttons: 4 red, 6 blue, and 12 white. What is the probability of randomly selecting 1 button that is not white?
Answer:
0.45
Explanation:
We can calculate the probability of randomly selecting one button that is not white by using the formula:
Number of non-white buttons / Total Number of buttons.
We can calculate the number of non-white buttons with the information given by the problem:
# Non-White buttons = 4 + 6 = 10
Now we calculate the probability:
10 / 22 = 0.45
The probability is 0.45, or a 45% chance.
Write a 200 word summary paragraph discussing this experiment and the results. Use the following questions and topics to help guide the content of your paragraph. What happened to the cabbage indicator when breath was bubbled into the water? Why? What happened to the cabbage indicator in the club or clear soda? Why? Explain the connection between your observations and data and the pH of the oceans. Give at least one example from real life where the principles demonstrated in this lab are evident
The experiment report is a detailed discussion of the methodology followed in the experiment.
How to write summary of experiment resultsAfter carrying out a laboratory experiment it is often expedient to write a summary of the experiment usually for the purpose of assessment by the instructor.
Such reports begin with the title of the experiment followed by the material used in the experiment. Next comes the procedure of the experiment where all the details of the experiment are spelt out in detail.
Lastly, you can now write the conclusion and the results obtained from the experiment in the last paragraph of the report.
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3 difference between element, mixture and compound
Enter your answer in the provided box. Calculate the wavelength of a
photon of electromagnetic radiation with a frequency of 61.7 MHz. m
Be sure to answer all parts. Calculate the energy of a photon of
electromagnetic radiation with a wavelength of 582.8 nm. * 10 Report
your answer in scientific notation using the provided boxes.
we find the energy to be approximately \(3.41 * 10^-19\) Joules is the answer.
To calculate the wavelength of a photon with a frequency of 61.7 MHz, we can use the formula: wavelength = speed of light / frequency. The speed of light is approximately\(3 * 10^8\) meters per second.
Converting the frequency to Hz (\(1 MHz = 10^6 Hz\)), we have \(61.7 * 10^6\)Hz.
Plugging these values into the formula, we get: wavelength =\((3 * 10^8 m/s) / (61.7 * 10^6 Hz).\)
Simplifying, we find the wavelength to be approximately 4.862 meters.
Now, to calculate the energy of a photon with a wavelength of 582.8 nm, we can use the equation: energy = Planck's constant × speed of light / wavelength.
Planck's constant is approximately \(6.63 * 10^-34\) Joule-seconds.
Converting the wavelength to meters (\(1 nm = 10^-9 m\)), we have \(582.8 * 10^-9 m.\)
Plugging these values into the equation, we get: energy =\((6.63 * 10^-34J·s) * (3 * 10^8 m/s) / (582.8 * 10^-9 m).\)
Simplifying, we find the energy to be approximately \(3.41 * 10^-19\) Joules.
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Medicine. A pharmaceutical company conducts an experiment in which a subject takes 100mg of a substance orally. The researchers measure how many minutes it takes for half of the substance to exit the bloodstream. What kind of variable is the company studying?
The researchers may use statistical analysis to estimate the half-life and evaluate the substance's pharmacokinetic properties, such as absorption, distribution, metabolism, and elimination.
The variable that the pharmaceutical company is studying in this experiment is a pharmacokinetic variable known as the "half-life" of the substance. The half-life represents the time it takes for the concentration or amount of a substance in the bloodstream to decrease by half.
In this case, the researchers are administering 100mg of the substance orally to the subject and then measuring the time it takes for half of the substance to be eliminated from the bloodstream. The half-life is a crucial parameter in pharmacokinetics as it provides information about the rate of elimination or clearance of the substance from the body.
The half-life variable is a quantitative variable because it represents a measurable quantity, specifically the time duration. It is a continuous variable as it can take any positive value on the time scale, depending on the specific substance being studied. The researchers may use statistical analysis to estimate the half-life and evaluate the substance's pharmacokinetic properties, such as absorption, distribution, metabolism, and elimination.
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PLEASE HELP ASAP!!
Can a flame test replace a spectrograph for identification purposes? Explain.
How could a scientist use a flame test in conjunction with a spectrograph?
A flame test cannot replace a spectrograph for identification purposes because flame tests only provide limited information about the identity of an unknown substance, while spectroscopy provides detailed information about the chemical composition of a sample.
Flame tests are qualitative tests that rely on the emission of characteristic colors of light when an unknown substance is placed in a flame. These colors are due to the excitation of electrons in the atoms of the substance to higher energy levels, followed by the emission of light as the electrons return to lower energy levels. Each element emits a unique pattern of colors, allowing for the identification of certain elements present in a sample. However, the flame test is limited in that it cannot identify trace amounts of elements or distinguish between elements with similar emission spectra.
On the other hand, spectroscopy provides much more detailed information about the chemical composition of a sample. Spectroscopy involves the measurement of the interaction between electromagnetic radiation and matter, allowing for the identification and quantification of elements and molecules in a sample. Different types of spectroscopy (such as atomic absorption spectroscopy, infrared spectroscopy, or mass spectrometry) provide different types of information, but all can provide highly detailed information about the chemical composition of a sample.
A scientist could use a flame test in conjunction with a spectrograph to help identify unknown substances. The flame test could be used as a quick initial screening method to determine the presence of certain elements in a sample, while the spectrograph could be used to obtain more detailed information about the chemical composition of the sample. By combining the results of both tests, a scientist could obtain a more complete understanding of the sample's composition.
Answer: A flame test can't replace a spectrograph for identification purposes because flame tests only provide a little information about the identity of an substance and spectroscopy gives more precise information about the chemical composition of a specimen
Explanation: Easy I read a book on it
Question 14 PM2.5 is defined as ________
- the mass concentration of particles in the air less than or equal to 2.5 micrometers in diameter. - the mass concentration of particles in the air equal to 2.5 micrometers in diameter. - the mass concentration of particles in the air greater than or equal to 2.5 micrometers in diameter. Question 15 Carbon dioxide (CO2) is a criteria air pollutant. - True - False Question 16 Roughly percent of emissions of carbon monoxide in Santa Clara County come from mobile sources (select the choice closest to the correct answer). - 50 - 75 - 25 Question 17
The term "photochemical smog" is most synonymous with which of the following criteria air pollutants? - lead (Pb) - carbon monoxide (CO) - sulfur dioxide ( SO2) - ozone (O3) Question 18 "Attainment" of ambient air quality standards requires that measured concentrations at all monitoring stations within an air district are below ambient air standards. - True - False
: PM2.5 is defined as the mass concentration of particles in the air less than or equal to 2.5 micrometers in diameter.Question 15: False, carbon dioxide (CO2) is not considered a criteria air pollutant.
Question 16: The closest answer is 50%, but the exact percentage is not provided in the question.Question 17: The term "photochemical smog" is most synonymous with ozone (O3), which is a criteria air pollutant.Question 18: True, attainment of ambient air quality standards requires that measured concentrations at all monitoring stations within an air district are below ambient air standards.
Question 14 asks about the definition of PM2.5. PM2.5 refers to particulate matter with a diameter less than or equal to 2.5 micrometers. It represents the mass concentration of particles suspended in the air, which are small enough to be inhaled into the respiratory system and can have adverse health effects.
Question 15 states whether carbon dioxide (CO2) is a criteria air pollutant. Criteria air pollutants are a set of pollutants regulated by environmental agencies due to their detrimental impact on air quality and human health. However, carbon dioxide is not considered a criteria air pollutant because it does not directly cause harm to human health or the environment in the same way as pollutants like ozone or particulate matter.
Question 16 asks about the percentage of carbon monoxide (CO) emissions from mobile sources in Santa Clara County. While the exact percentage is not provided in the question, the closest answer option is 50%. However, it is important to note that the precise percentage may vary depending on specific local conditions and emissions sources.
Question 17 inquires about the criteria air pollutant most synonymous with the term "photochemical smog." Photochemical smog is primarily associated with high levels of ground-level ozone (O3). Ozone is formed when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react in the presence of sunlight, creating a hazy and polluted atmospheric condition.
Question 18 addresses the concept of "attainment" of ambient air quality standards. To achieve attainment, measured concentrations of pollutants at all monitoring stations within an air district must be below the established ambient air quality standards. This ensures that the air quality in the given area meets the required standards for protecting human health and the environment.
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From the list provided below, choose those observations that accurately describe the mineral presented in this image.This mineral has a metallic luster.
This mineral is opaque, meaning that it is not clear; light does not pass through it.
This mineral has cleavage.
The mineral presented in the image has a metallic luster. It is opaque, which means that it is not clear and light does not pass through it. It also has cleavage, which refers to the tendency of a mineral to break along planes of weakness.
The cleavage is evident in the image, as the mineral appears to have flat, smooth surfaces that intersect at sharp angles when it is broken or fractured.Cleavage is one of the most important properties of a mineral because it provides information about the way in which the mineral will break when subjected to external forces.
A mineral with good cleavage will break into pieces that have a smooth, flat surface, while a mineral with poor cleavage will break into pieces that have an uneven surface. This property is often used by mineralogists to help identify minerals since it is unique to each mineral.
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The mineral’s luster, opacity, and cleavage define its properties. Metallic luster means it reflects light like metal, opacity implies no light passes through it, and cleavage speaks to how it breaks.
Explanation:In order to determine the characteristics of a mineral, we assess attributes such as the mineral's luster, opacity, and cleavage. The metallic luster refers to how light interacts with the surface of a mineral, metallic luster means the mineral reflects light as a polished metal would.
When a mineral is opaque, it means that light does not pass through it at all - it is not transparent or translucent. Lastly, a mineral's cleavage refers to how it breaks or fractures along distinctive planes. To accurately describe the mineral in the image, these three characteristics would need to be observable.
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Can someone walk me through this question??
The Percent yield for the reaction PCl3 +Cl2 --> PCl5 is 83.2%. What mass of PCl5 is expected from the reaction of 73.7% of PCl3 with excess chlorine?
The mass of \(PCl_5\) expected from the reaction of 73.7% of \(PCl_3\) with excess chlorine based on 83.2% percent yield would be 92.99 grams.
Percent yieldFrom the balanced equation of the reaction:
\(PCl_3 +Cl_2 -- > PCl_5\)
The ratio of the moles of \(PCl_3\) that reacts to that of \(PCl_5\) that is produced is 1:1.
73.7% of \(PCl_3\) = 73.7/137.33
= 0.5367 moles
Since the mole ratio is 1:1, the equivalent mole of \(PCl_5\) will also be 0.5367 moles.
Mass of 0.5367 moles \(PCl_5\) = 0.5367 x 208.24
= 111.7624 grams
But the reaction has only 83.2% yield:
111.7624 x 83.2% = 92.99 grams
Thus, the mass of \(PCl_5\) expected from the reaction will be 92.99 grams.
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Were the gas(es) produced by running electricity through water the same particles as the gas produced when we heated the water?
CLAIM: The gas produced when running electricity through water was (not)
the gas produced when we heated up the water the gas produced when we heated up the water.
Evidence (From Above)
Ex: The gases have different density.
Observation x3:
1.
2.
3.
Write as a sentence for evidence x3:
1.
2.
3.
Reasoning (Why the evidence shows the gas bubbles are made from water particles)
Ex: If the gases do not have the same density, then they must be different particles.
This supports my claim because x3:
1.
2.
3.
The gases produced by running electricity through water are not the same particles as the gas produced when we heated the water. This is because gases have different densities.
What is electrolysis?Electrolysis is the process of passing an electric current through a solution or a molten form of a substance that is decomposed by the electric current passing through.
Electrolysis can be used to change the composition of a compound.
For example, the electrolysis of water results in the splitting of water molecules into their constituent elements with the formation of hydrogen gas and oxygen gas respectively.
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Why is there a bond between the ions in potassium chloride
Answer:
Explanation:
When the two atoms are in contact, potassium transfers its outer electron to chlorine which readily accepts it, resulting in both atoms achieving a state of eight outermost electrons. With this electron transfer, the ionic bond in KCl is formed.
Hope this helped!!!
Potassium has just one valence electron and Chlorine has 7 electrons, Chlorine needs just one atom to complete its octet which is provided by Potassium atom for formation of Potassium Chloride (KCl).
What is Chemical Bonding?Chemical bonding is the formation of chemical bonds present between two or more atoms or molecules which give rise to new compound. Bond is formed from electrostatic force present between oppositely charged ions like in ionic bonds or by sharing of electrons like in covalent bonds.
There are two types of Chemical Bonding:
1. Ionic Bonding
It is formed between opposite charged particles like Anion (negatively charged) and Cation (Positively charged) by the strong force of attraction.
For example, KCl formed by the ionic bond formation present between Potassium and Chlorine
2.Chemical Bonding
It is formed between two atoms for completing its octet by sharing of electrons.
For example, \(H_2\) formed by sharing the electrons to complete its electronic configuration.
Thus, Potassium has just one valence electron and Chlorine has 7 electrons, Chlorine needs just one atom to complete its octet which is provided by Potassium atom for formation of Potassium Chloride (KCl).
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Which of the following represents a solution? *
2 points
NaCl (s)
HCl (aq)
H2O (g)
HBr(g)
Answer:units of G.
Explanation:Milk of magnesia, a suspension of Mg(OH)2
in water, reacts with stomach acid (HCl) in a
neutralization reaction.
Mg(OH)2(s) + 2HCl(aq) −!
2H2O(l) +MgCl2(aq)
What mass of MgCl2 will be produced if
4.55 g of Mg(OH)2 reacts?
Answer in units of g.
021 (part 2 of 2) 10.0 points
What mass of HCl is required to completely
react with 4.55 g of Mg(OH)2?