5) Design an experiment to separate the components of a mixture of two solids - Sodium chloride and Sucrose. Both compounds are soluble in water, but Sucrose is much more soluble in an organic solvent (Dichloromethane) than water. Sodium chloride does not dissolve in dichloromethane.
Answers
By filtration technique using funnel filter out of salt NaCl. By rotary evaporation technique, evaporate the organic solvent and the sucrose will be left.
All plants, including fruits, vegetables, and even nuts, naturally produce sugar, the familiar and beloved simple carbohydrate, which is known by its chemical name, sucrose. Natural sugars such as sucrose can be found in varying concentrations in plants such as fruits, vegetables, and nuts. From sugar cane and sugar beets, sucrose is also economically produced. Your body needs energy to carry out both physical and mental tasks, and sucrose, a carbohydrate, gives you that energy. Foods like sucrose and starch are broken down by your body into fructose and glucose during digestion. To provide energy to your cells, your body breaks down the fructose and glucose.
a study found that taking the more "natural type of sugar" could be just as harmful to your health as ingesting high fructose corn syrup.
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Related Questions
A balloon originally had a volume of 4.39 l at 44 °c and a pressure of 729 torr. the balloon must be cooled to ________ °c to reduce its volume to 3.96 l (at constant pressure).
Answers
The balloon must be cooled to 39.69°C to reduce its volume to 3.96 l (at constant pressure).
According to Charles's law when the amount of gas and pressure are kept constant, the quotient that exist between the volume and the temperature will always have the same value.
\(\frac{V}{T}=k\)
Comparing an initial state 1 and a final state, it satisfied
\(\frac{V_{1} }{T_{1} } =\frac{V_{2} }{T_{2} }\)
Given information:
Initial volume: \(V_{1} =4.39l\)
Initial temperature: \(T_{1}=44\) °C
Final volume: \(V_{2} =3.96l\)
Final temperature: \(T_{2}=?\)
By applying Charles's law, we can find at which temperature the balloon must cooled to reduce its volume to 3.96L.
\(\frac{V_{1} }{T_{1} }=\frac{V_{2} }{T_{2} }\)
\(\frac{4.39}{44}=\frac{3.96}{T_{2} }\)
\(T_{2}=39.69\)°С
Hence, the balloon must cool to 39.69°C to reduce its volume to 3.96L.
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The balloon must be cooled to 39.69°C to reduce its volume to 3.96 l (at constant pressure).
According to Charles's law when the amount of gas and pressure are kept constant, the quotient that exist between the volume and the temperature will always have the same value.
\(\frac{V}{T}=K\)
Comparing an initial state 1 and a final state, it satisfied
\(\frac{V_{1} }{T_{1} } =\frac{V_{2} }{T_{2} }\)
Given information:
Initial volume: \(V_{1} =4.38l\)
Initial temperature: \(T_{1} =44\)°C
Final volume: \(V_{2}=3.96l\)
Final temperature: \(T_{2} =?\)
By applying Charles's law, we can find at which temperature the balloon must cooled to reduce its volume to 3.96L.
\(\frac{V_{1} }{t_{1} } =\frac{V_{2} }{T_{2} }\)
\(\frac{4.39}{44} =\frac{3.96}{T_{2} }\)
\(T_{2} =39.69\)°С
Hence, the balloon must cool to 39.69°C to reduce its volume to 3.96L.
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a buffer solution has 0.750 m h2co3 and 0.650 m hco3−. if 0.020 mol of hcl is added to 275 ml of the buffer solution, what is the ph after the addition? the pka of carbonic acid is 6.37.
Answers
The pH of the buffer solution after the addition of 0.020 mol of HCl is approximately 7.779.
Describe a buffer?A buffering agent is a substance that can withstand tiny additions of bases or acids without changing its pH. A weak acid with its conjugate base, and a base that is weak and its conjugate acid, make up the compound.
Small amounts of additional acid or base can be neutralised by the weakened acid or base while significantly altering the acidity of the solution in question. This is due to the fact that the acid that is weak and the base it conjugates with (or a base that is weak and its conjugated acid) exist in the solution in nearly equal proportions and can engage in a reversible process that preserves the pH..
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determine whether a soda can would be chiral or achiral.
Answers
To determine whether a soda can is chiral or achiral, we need to consider the following terms:
Chiral: An object is chiral if it cannot be superimposed on its mirror image. In other words, it has no plane of symmetry.
Achiral: An object is achiral if it can be superimposed on its mirror image, meaning it has a plane of symmetry.
A soda can is typically cylindrical with a top that is circular and symmetrical. If you were to create a mirror image of a soda can, you could superimpose the original can onto its mirror image. Therefore, a soda can would be achiral, as it has a plane of symmetry.
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Which organism obtains energy without depending on another organism
Answers
Answer:
Plants
Explanation:
Plss answer the question in the picture. If you actually answer I will give you brainilest!!!
Answers
Answer:
hey :)
your answer is D.
Explanation:
To find density, you must divide mass and volume.
8 divided by 4 is 2
6 divided by 6 is 0
4 divided by 2 is 2
hope i helped any :))
Which ionic compound forms a pH-neutral aqueous solution at 25 °C?
A. NaHCO3
B. LiClO4
C. LiF
D. NH4Cl
Answers
\(NaHCO_3\) (sodium bicarbonate) is the ionic compound that forms a \(pH^-\) neutral aqueous solution at 25°C.
Ions, which are formed when an atom (or group of atoms) acquires or loses electrons, are the charged particles that make up ionic compound. An ion with a positive charge is a cation, whereas one with a negative charge is an anion.Ionic compounds are frequently brittle, rigid, and have high melting and boiling temperatures. When dissolved in water, \(NaHCO_3\) dissociates into \(Na^+\)and \(HCO_3^-\) ions.The \(HCO_3^-\) ions react with water to form \(H^+\) and \(OH^-\) ions,thus maintaining a neutral pH. The other compounds listed (\(LiClO_4, LiF, and NH_4Cl\) ) are not pH neutral and would produce acidic or basic solutions when dissolved in water.
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What are the dependent and independent variables in this experiment? How are outside factors being controlled in this
experiment to make sure that the results test only the dependent variable?
Pls answer fast it is for a test
Answers
The dependent and independent variables in an experiment refer to those variables that are being tested and measured in the research. The independent variable is manipulated by the experimenter, while the dependent variable is the result of this manipulation.
In an experiment, the independent variable is the variable that the experimenter controls and manipulates to see how it affects the dependent variable. The dependent variable, on the other hand, is the variable that is being measured or observed to see how it is affected by changes in the independent variable. The dependent variable depends on the independent variable, hence its name.In an experiment, outside factors are controlled through the use of controlled variables.
These are variables that are kept constant throughout the experiment, so that they do not affect the results of the experiment. This allows the experimenter to isolate the effects of the independent variable on the dependent variable, without interference from other factors. For example, if an experiment is testing the effect of fertilizer on plant growth, controlled variables might include the amount of water and sunlight the plants receive, the type of soil they are planted in, and the temperature of the environment.
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Elements 3 to 10 (Li to Ne) show a more or less steady increase in IE. What does this tell you about the energy level that each successive electron (from 3 to 10) is assigned to?
Answers
Elements 3 to 10 (Li to Ne) show a more or less steady increase in ionization energy.
What is ionisation energy?The amount of energy required to remove an electron from an isolated atom or molecule.
The major difference is the increasing number of protons in the nucleus as you go from lithium to neon. That causes greater attraction between the nucleus and the electrons and so increases the ionization energies. In fact the increasing nuclear charge also drags the outer electrons in closer to the nucleus.
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A flagpole is an example of what type of pulley system?
A. Movable pulley
B. Fixed pulley
C. Block and tackle?
Answers
Answer:
B
Explanation:
i learned the pulley system in school
Answer:
B. Fixed pulley
Explanation:
18. In order to make one molecule of glucose, how many carbon dioxide, ATPs, and NADPH are required?
Answers
To produce one molecule of glucose, 6 molecules of carbon dioxide (\(CO_{2}\)), 18 molecules of adenosine triphosphate (ATP), and 12 molecules of nicotinamide adenine dinucleotide phosphate (NADPH) are required.
Glucose, a six-carbon sugar, is synthesized through the process of photosynthesis in plants. It involves the Calvin cycle, which incorporates carbon dioxide, ATP, and NADPH to produce glucose. For each molecule of glucose formed, 6 molecules of carbon dioxide are required.
The energy needed for glucose synthesis is provided by ATP, which is an energy-rich molecule. In the Calvin cycle, the synthesis of one glucose molecule requires 18 molecules of ATP.
NADPH, a coenzyme involved in energy transfer reactions, is required for the reduction of carbon dioxide during the Calvin cycle. In the process, 12 molecules of NADPH are utilized to produce one molecule of glucose. These components play crucial roles in capturing and storing energy, as well as providing carbon atoms for the formation of glucose, which serves as a vital energy source for organisms.
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Helllpppp! this is a study island and im stuck :(
Answers
It is clear from the tabular data that, the monkeys in troop 2 were better to avoid predators and more of them were able to reproduce. Hence, option D is correct.
What is natural survival ?In the biosphere, not all living things are fit to survive for a longer life time. Most of them are pray of other higher level animals. Some organisms adopt some strategies to hide from their predators and they can survive more.
It is clear from the table that, the monkeys residing in the ground are more prone to the attacks by their predators. Whereas monkeys living in trees can survive more.
In each year the survival rate is increasing for both troop. However the more number of monkeys which can sustain their population is in troop 2. Therefore, option D is correct.
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Write the Electron Configuration using the box diagram or orbital diagram of each element.
11vNa
1s^2 2s^2 2p^6 3s^1
18vAr
1s^2 2s^2 2p^6 3s^2 3p^6
Answers
Answer:
Explanation:
1s^2 2s^2 2p^6 3s^1
a 114 gram box that has the dimensions: length = 3m, width = 3m, height = 7cm
Answers
Answer:
1.8095
Explanation:
3x3x7=63=volume
114 = mass
114=dividend
63 = divisor
Divide using long divison
Alesha, Kayden,Leo and Caroline are lab partners. They completed the lab in which they put a small marshmallow in a closed, see-through container. They then pushed a plunger down to decrease the volume of the container. They observed the marshmallow looking squished and crumpled. For their lab write up, they must identify the relationship between volume, temperature and pressure of a gas to explain what they saw during this experiment. Determine which student is correct from the statements below.
A.
Alesha says the lab showed that when volume is decreased, pressure is increased. The increase in the pressure in the container is what made the marshmallow look squished and crumpled.
B.
Caroline says the lab showed that when volume is increased, pressure is increased. The increase in the pressure in the container is what made the marshmallow look squished and crumpled.
C.
Kayden says lab showed that when volume is decreased, temperature is increased. The increase in the temperature in the container is what made the marshmallow look squished and crumpled.
D.
Leo says the lab showed they increased the temperature of the container by breathing on it and decreased the volume by pushing down the plunger. Both of increasing the temperature and decreasing the volume caused the pressure to decrease and make the marshmallow look squished and crumpled.
Answers
The answer is D! I did the question too for my class lol and i got it right :)
Leo says a live shot increase the temperature of the container by breathing on it and decrease the volume by pushing down the planter both of increase in temperature and decreasing the volume cause depression to decrease and make the marshmallow look squished in crumpled
In making ice cream, the flavored cream is in a container in contact with melting ice. When the ice cream freezes it give energy up to the ice / water mixture. What happens to the temperature of the ice / water mixture
Answers
When making ice cream, the flavored cream is placed in a container that is in contact with melting ice. As the ice cream freezes, it releases energy, which is absorbed by the surrounding ice and water mixture. This energy transfer causes the temperature of the ice and water mixture to decrease.
As more energy is released by the freezing ice cream, the temperature of the mixture continues to drop until all of the ice cream is frozen. The melting ice acts as a heat sink, absorbing the energy released by the freezing ice cream and preventing it from escaping into the surrounding environment. Overall, the temperature of the ice and water mixture decreases as the ice cream freezes, allowing it to solidify and become the delicious treat we all love.
When making ice cream, the flavored cream in a container is in contact with melting ice. As the ice cream freezes, it releases energy to the ice/water mixture. During this process, the temperature of the ice/water mixture remains constant at the melting point (0°C or 32°F) as the energy released by the freezing cream is used to melt more ice, rather than raise the temperature. This constant temperature helps achieve a smooth consistency in the ice cream.
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Which of the following characteristics are true about a typical peptide (amide) bond?
1) The bond is planar.
2) There is free rotation about the carbonyl carbon and nitrogen bond.
3) There is substantial double-bond character to this bond.
4) There is a net negative charge on nitrogen and net positive charge on oxygen.
O Only statements 1, 2, and 4 are correct.
O Only statements 1 and 3 are correct.
O Only statements 2 and 3 are correct.
O All of the listed statements are correct.
Answers
The correct answer is:Only statements 1 and 2 are correct.
1) The bond is planar.
2) There is free rotation about the carbonyl carbon and nitrogen bond.
The bond is planar: True, Peptide bond is a planar bond because it is composed of a double bond between the carbonyl carbon and nitrogen, and the atoms on either side of the double bond are sp2 hybridized. There is free rotation about the carbonyl carbon and nitrogen bond: True, the peptide bond between amino acids in a protein is a single bond, which allows for rotation about the bond, this is one reason proteins can adopt many different conformations.There is substantial double-bond character to this bond: False, the peptide bond is actually a single bond, although it has some double-bond character, it is not a double bond.There is a net negative charge on nitrogen and net positive charge on oxygen: False, both nitrogen and oxygen atoms in a peptide bond are neutral, as there is no charge separation in the bond.
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The Mass of the paper before being bumed is 50% how much mass should there be after
the paper has burned?
Answers
0%
Explanation:
IF YOU BURNED THE PAPER THERE WILL BE ONLY ASHES
Which blocks will move under these conditions and explain
Answers
Answer:
Correct: B
Explanation:
The first block wont move because:
Σf=3-3=0N.
The second block will move because:
Σf:5-3=2N (direction to the right).
The third block will move because:
Σf=3N (direction to the right).
Combustion of coke is a combination reaction. CO2 is not a pollutant. Then why is combustion of coke harmful?
Answers
Combustion of coke is harmful as it increases the concentration of CO2 in the atmosphere which causes global warming due to the greenhouse effect.
CO2 is not deemed a pollution until a particular threshold is reached. Rather, it aids in maintaining the temperature of the Earth. Coke combustion is hazardous because it raises the concentration of CO2 in the atmosphere, causing global warming owing to the greenhouse effect.
Burning of coke creates a lot more than simply CO2. There are a plethora of harmful and polluting byproducts. Phenolic and other organic compounds, as well as cyanides, sulphides, and ammonia, are a few examples.
Burning of coke creates a lot more than simply CO2. There are a plethora of harmful and polluting byproducts. Phenolic and other organic compounds, as well as cyanides, sulphides, and ammonia, are a few examples. You may be confused coke combustion with carbon combustion, which produces CO2 and no other hazardous byproducts.
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Fill in the blanks
The _____________ _____________ is the atomic mass rounded to a whole number.
Answers
The mass number is the atomic mass rounded to a whole number, i.e., which is a value that rounds the atomic weight to a near number.
What is mass number?The expression mass number is used in chemistry to denote the total amount of subatomic particles i.e. atomic protons and neutrons, which are present in a given atom (for example hydrogen has only one proton and one neutron).
Therefore, with this data, we can see that mass number denotes the overall amount of protons and neutrons present in a given atom, which is equal to one in the hydrogen atom
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WILL MARK BRAINLIEST!!!
(picture included for one question ^^^^^)
Answers
Answer:
type decomposition
balance form
2PbO₂⇒ 2PbO +O₂
Explanation:
True or False: Ionic bonding means atoms COMPLETELY GIVE AWAY OR TAKE their electrons from each other. *
Answers
Answer: The given statement is True.
Explanation:
An ionic bond is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal.
A covalent bond is formed when an element shares its valence electron with another element. This bond is formed between two non metals.
Thus the given statement is True.
How did Wegener use similar mountain ranges and areas made of certain types of rock found in Africa and South American as evidence that these 2 continents were once connected?
Answers
Answer:
the Germany scientist Alfred Wagner describes fold mountains that are found in The world are the same also geological similarity that occur between this continent are the same for example the rock that are found in brazil are the same of that of south africa.
You have a 100 gram sample of each of the following metals. Which sample has the largest volume?
*the sample with the lowest density would have the greatest volume
1) aluminum, d= 2.7 g/cm^3
2) gold, d = 19.3 g/cm^3
3) iron, d = 7.86 g/cm^3
4) magnesium, d = 1.74 g/cm^3
5) silver, d = 10.5 g/cm^3
Answers
To determine which metal sample has the largest volume among the given options, we need to compare their densities. The sample with the lowest density will have the greatest volume for a given mass.
Let's calculate the volumes of the metal samples using the formula:
Volume = Mass / Density
1) For aluminum: Mass = 100 g, Density = 2.7 g/cm^3
Volume of aluminum = 100 g / 2.7 g/cm^3 = 37.04 cm^3
2) For gold: Mass = 100 g, Density = 19.3 g/cm^3
Volume of gold = 100 g / 19.3 g/cm^3 = 5.18 cm^3
3) For iron: Mass = 100 g, Density = 7.86 g/cm^3
Volume of iron = 100 g / 7.86 g/cm^3 = 12.72 cm^3
4) For magnesium: Mass = 100 g, Density = 1.74 g/cm^3
Volume of magnesium = 100 g / 1.74 g/cm^3 = 57.47 cm^3
5) For silver: Mass = 100 g, Density = 10.5 g/cm^3
Volume of silver = 100 g / 10.5 g/cm^3 = 9.52 cm^3
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. 11 gallons of gasoline for $26.29
or 6 gallons of gasoline for $14.45?
Answers
Answer:
6 gallons of gasoline for $14.45 is the best price
Explanation:
26.29/11=2.39 $ per gallon
14.45/11=1.31 $ per gallon
Write the net ionic equation for the precipitation reaction that occurs when aqueous magnesium chloride is mixed with aqueous sodium phosphate. .
Answers
The net ionic equation for the precipitation reaction between aqueous magnesium chloride (MgCl2) and aqueous sodium phosphate (Na3PO4) can be determined by identifying the precipitate formed. Here's the balanced net ionic equation:
3Mg2+(aq) + 2PO43-(aq) → Mg3(PO4)2(s)
In this reaction, the magnesium ions (Mg2+) from magnesium chloride combine with the phosphate ions (PO43-) from sodium phosphate to form solid magnesium phosphate (Mg3(PO4)2) as the precipitate.
Note that the sodium ions (Na+) and chloride ions (Cl-) are spectator ions and do not participate in the formation of the precipitate. Therefore, they are not included in the net ionic equation.
It's important to note that the state of each compound (whether it is aqueous or solid) should be indicated in the balanced equation.
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Match the following parts of the earth with the correct definition. 1. solid, outer layer of the earth core 2. layer between the crust and the core asthenosphere 3. semi-liquid region directly beneath the crust mantle 4. made of iron and nickel hydrosphere 5. the water covering the surface of the earth crust
Answers
1) crust 2)mantle 3) asthenosphere 4)core 5) hydrosphere are the correct matches for the given options.
Iron is what?A atomic number 26 & chemical symbol Fe are given to the element iron. It is a metal that belongs to the first transition series and the eight group of a periodic table. It is the most common element on the planet by mass, just above of oxygen, and makes up a significant amount of both the outer and inner core of the planet.
how is iron used by the body?Iron is found in substantial amounts in hemoglobin, a type of protein found in red blood cells that delivers oxygen from lungs to each and every part of the body. If the body doesn't have enough iron, it won't produce enough red blood cells to deliver oxygen, which leads to fatigue.
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a 250 gram sample of water at the boiling point had 35.0 kj of heat added. how many grams of water were vaporized? heat of vaporization for water is 40.6 kj/mole.
Answers
The required mass of water vaporized is 15.5 grams, from a 250 gram sample of water at the boiling point had 35.0 kj
Given: Mass of water (m) = 250 gHeat added (q) = 35.0 kJHeat of vaporization (ΔHvap) = 40.6 kJ/mole
To find:Mass of water vaporized (x) Formula:q = ΔHvap × nx = (q / ΔHvap) × nMass = moles × molar mass
We know that molar mass of water (H2O) = 18 g/molMoles of water vaporized (n) = (35.0 kJ / 40.6 kJ/mol) = 0.861 mol
Therefore,Mass of water vaporized (x) = 0.861 mol × 18 g/mol= 15.5
Detailed Solution: According to the given statement,250g of water was taken at its boiling point and 35.0 kJ of heat was added to it, we need to find how many grams of water were vaporized. To solve this question, first, we need to know the heat of vaporization for water, which is 40.6 kJ/mole. It means to vaporize 1 mole of water, 40.6 kJ of heat is required.
Mass of water (m) = 250 g Heat added (q) = 35.0 kJHeat of vaporization (ΔHvap) = 40.6 kJ/molen = q / ΔHvapn = (35.0 kJ / 40.6 kJ/mol) = 0.861 molMoles of water vaporized (n) = 0.861 mol
Therefore, Mass of water vaporized (x) = 0.861 mol × 18 g/mol= 15.5 g Hence, the required mass of water vaporized is 15.5 grams.
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What is the missing mass?
Answers
Answer:
37.1
Explanation:
mass of reactant side must be equal to mass of product side
B-
Why many nuclei like U234, U236 and
U238 undergo fission only by fast neutrons?
Answers
The nucleus more easily, increasing the probability of causing fission many nuclei like U234, U236, and U238 undergo fission only by fast neutrons.
Fission can be caused by slow as well as fast neutrons. It is the energy of the neutron which determines its effectiveness in causing fission. Fast neutrons are more effective in causing fission. Hence, many nuclei like U234, U236, and U238 undergo fission only by fast neutrons.
Fission is a nuclear reaction process in which the nucleus of an atom is split into two smaller nuclei with the release of a large amount of energy and two or three neutrons. Uranium-235 (U-235) and Plutonium-239 (Pu-239) are the most commonly used fissile materials, but other materials like U-234, U-236, and U-238 can also undergo fission. When a neutron is absorbed by the nucleus of a fissile material like U-235 or Pu-239, it becomes unstable and splits into two smaller nuclei with the release of a large amount of energy.
The fission process also releases two or three neutrons, which can cause further fission of other nuclei, leading to a chain reaction. The chain reaction can be controlled by using a neutron moderator, which slows down the fast neutrons, making them more effective in causing fission. The efficiency of the fission reaction depends on the energy of the neutron.
Fast neutrons are more effective in causing fission than slow neutrons, which have less energy. This is because fast neutrons can penetrate the nucleus more easily, increasing the probability of causing fission. Hence, many nuclei like U234, U236, and U238 undergo fission only by fast neutrons.
Fast neutrons are more effective in causing fission than slow neutrons, which have less energy.
This is because fast neutrons can penetrate the nucleus more easily, increasing the probability of causing fission. Hence, many nuclei like U234, U236, and U238 undergo fission only by fast neutrons.
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