which of the following statements about what happens to the chlorine gas when it leaves the cylinder is true? which of the following statements about what happens to the chlorine gas when it leaves the cylinder is true? the pressure of chlorine increases. the pressure of chlorine decreases. the pressure of chlorine stays the same.
Answers
B) The pressure of chlorine decreases when it leaves the cylinder.
A theoretical gas known as an ideal gas is made up of several randomly moving point particles with no interparticle interactions. Because it complies with the ideal gas law, a condensed equation of state, and can be examined using statistical mechanics, the ideal gas concept is helpful.
Gas molecules don't repel or attract one another and occupy a very little volume, according to these simplifications. The majority of gases don't actually behave like this. Chlorine is a non-ideal gas, so it won't exactly follow those rules, as you can see.
Therefore option b is correct.
For more questions like Chlorine click the link below:
https://brainly.com/question/17351902
#SPJ4
The complete question is attached below.
Related Questions
PLEASE ANSWER QUICK 55 POINTS RIGHT ANSWERS ONLY :)
Answers
Explanation:
To solve the problem, we can use the freezing point depression equation:
ΔT = Kf · molality
where ΔT is the change in freezing point, Kf is the freezing point depression constant, and molality is the concentration of the solution in moles of solute per kilogram of solvent.
In this case, we're looking for the freezing point of a solution of C5H4 in benzene, given that the freezing point of pure benzene is 5.50 °C, and the freezing point depression constant is 5.12 °C/m.
First, let's calculate the molality of the solution:
molality = moles of solute / kilograms of solvent
To find the moles of solute, we need to know the molar mass of C5H4. By looking it up in a periodic table, we find:
Molar mass of C5H4 = 64.09 g/mol
The problem doesn't tell us how much solute was added, but it does give us the concentration of the solution as 0.41 m (which means 0.41 moles of C5H4 per kilogram of benzene). Therefore:
molality = 0.41 moles / 0.998 kg ≈ 0.411 mol/kg
Now we can calculate the freezing point depression:
ΔT = Kf · molality
ΔT = 5.12 °C/m · 0.411 mol/kg ≈ 2.10 °C
The freezing point depression tells us how much the freezing point of the solution is lowered compared to the freezing point of pure benzene. Therefore, the freezing point of the solution is:
Freezing point = 5.50 °C - 2.10 °C = 3.40 °C
Therefore, the freezing point of the 0.41 m solution of C5H4 in benzene is 3.40 °C.
Think about a wooden chair and a balloon. What do these two objects always have in common?
Both are made of atoms.
Both have the same physical properties.
Both are made of the same kind of atom.
Both are made of the same number of atoms.
Answers
Answer:
both are made of atoms. .
Answer:
Both are made of atoms.
Explanation:
Consider the balanced equation below.
What is the mole ratio of PCl3 to PCl5?
1:1
2:1
3:5
5:3
Answers
From the balanced equation below the mole ratio of PCl3 to PCl5 is 1:1
How can the mole ration be gotten?\(PCl_{5} + PCl_{5}\) -------------------> \(PCl_{5}\)
Number of moles of \(PCl_{3}\) can be expressed as 1 mole
Number of moles of \(Cl_{2}\) can be expressed as 1 mole
Number of moles of \(PCl_{5}\) can be expressed as 1 mole
Mole ratio of \(PCl_{5}\) can be expressed as 1:1
The ratio of the mole quantities of any two compounds present in a balanced chemical reaction is known as the mole ratio. A comparison of the ratios of the molecules required to accomplish the reaction is given by the balancing chemical equation.
Learn more about mole ratio at;
https://brainly.com/question/30632038
#SPJ1
A mixture of 0.197 mol CO2 and 0.00278 mol H2O is held at 30.0 degrees celsius with a pressure of 2.50 atm. What is the partial pressure of each gas?
Answers
Considering the Dalton's partial pressure, the partial pressure of CO₂ is 2.465 atm and the partial pressure of H₂O is 0.035 atm.
Dalton's lawThe pressure exerted by a particular gas in a mixture is known as its partial pressure.
So, Dalton's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas would exert if it were alone:
\(P_{T} =P_{1} +P_{2} +...+P_{n}\)
where n is the amount of gases in the mixture.
Dalton's partial pressure law can also be expressed in terms of the mole fraction of the gas in the mixture. The mole fraction is a dimensionless quantity that expresses the ratio of the number of moles of a component to the number of moles of all the components present.
So in a mixture of two or more gases, the partial pressure of gas A can be expressed as:
\(P_{A} =x_{A} P_{T}\)
Partial pressure of CO₂ and H₂OIn this case, you know:
\(n_{CO_{2} }\)= 0.197 moles\(n_{H_{2}O }\)= 0.00278 moles\(n_{T }=n_{CO_{2} }+n_{H_{2}O }\)= 0.197 moles + 0.00278 moles= 0.19978 moles\(P_{T}= 2.50 atm\)Then:
\(x_{CO_{2}} =\frac{n_{CO_{2}} }{n_{T} }=\frac{0.197 moles}{0.19978 moles} = 0.986\)\(x_{H_{2}O} =\frac{n_{H_{2}O} }{n_{T} }=\frac{0.00278 moles}{0.19978 moles} =0.014\)Replacing in the Dalton's law:
\(P_{CO_{2} } =x_{CO_{2}} P_{T}\)
\(P_{CO_{2} } =\) 0.986× 2.50 atm
\(P_{CO_{2} } =\) 2.465 atm
\(P_{H_{2}O } =x_{H_{2}O} P_{T}\)
\(P_{H_{2}O } =\) 0.014× 2.50 atm
\(P_{H_{2}O } =\) 0.035 atm
Finally, the partial pressure of CO₂ is 2.465 atm and the partial pressure of H₂O is 0.035 atm.
Learn more about Dalton's partial pressure:
brainly.com/question/25181467
brainly.com/question/14119417
In which of the following compounds is the octet expanded to include 12 electrons?PC13H2SSF6PCIE
Answers
The octet rule tells us that for an atom and a bond to be stable there must be 8 electrons in its last energy level, in other words it must have 8 valence electrons.
Now, if we look at the structure of PCl3 we can see that it complies with the octet rule as shown in the following figure:
Each line corresponds to two electrons and the dots correspond to one electron each. We have 3 lines (6 electrons) and two dots (2 electrons) for a total of 8 electrons.
Now for H2S we have, see the figure above. We have 2 lines (4 electrons) and four dots (4 electrons) for a total of 8 electrons.
For SF6 we have, see the figure above. For SF6 we have six lines (12 electrons), that is to say, that this is the compound that does not fulfill the octet rule.
The answer will be SF6
Which is NOT a force that governs the
natural universe?
Gravity
Electromagnetic Force
Hope
Strong Nuclear Force
Answers
Answer:
Hope.
Gravity, weak force, electromagnetism, strong force are the four fundamental forces of nature.
The one that is not governing the natural universe is hope. The correct option is C.
What is natural universe?The universe and all of its naturally occurring phenomena, as well as all of the physical laws that govern them.
The universe is almost entirely made up of dark energy, dark matter, and ordinary matter.
Other contents include electromagnetic radiation which is estimated to account for 0.005% to close to 0.01% of the universe's total mass-energy and antimatter.
Gravitational force, weak nuclear force, electromagnetic force, and strong nuclear force are the four fundamental forces of nature.
The strong nuclear force, also known as the strong nuclear interaction, is the most powerful of nature's four fundamental forces.
Gravitational force, the weakest of the four forces, has a relative strength of 10 to the minus 40.
Thus, the correct option is C.
For more details regarding universe, visit:
https://brainly.com/question/9724831
#SPJ2
The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane (C8H18) and calculate the mass (in kg) of carbon dioxide that is added to the atmosphere per 1.0 kg of octane burned
Answers
Answer:
3.1 kg
Explanation:
Step 1: Write the balanced combustion equation
C₈H₁₈ + 12.5 O₂ ⇒ 8 CO₂ + 9 H₂O
Step 2: Calculate the moles corresponding to 1.0 kg of C₈H₁₈.
The molar mass of C₈H₁₈ is 114.23 g/mol.
1.0 × 10³ g × 1 mol/114.23 g = 8.8 mol
Step 3: Calculate the moles of CO₂ produced from 8.8 moles of C₈H₁₈
The molar ratio of C₈H₁₈ to CO₂ is 1:8. The moles of CO₂ produced are 8/1 × 8.8 mol = 70 mol.
Step 4: Calculate the mass corresponding to 70 moles of CO₂
The molar mass of CO₂ is 44.01 g/mol.
70 mol × 44.01 g/mol = 3.1 × 10³ g = 3.1 kg
pls answer it fast..............................
Answers
Answer:
what is it asking???? I'm confused on what it wants you to do
suppose 0.450 l of 0.450 m h2so4 is mixed with 0.400 l of 0.270 m koh . what concentration of sulfuric acid remains after neutralization?
Answers
The concentration of sulfuric acid remaining after neutralization is 0 M.
First, we need to determine the number of moles of \(H_{2} SO_{4}\) and KOH that are present in the solution.
The number of moles of \(H_{2} SO_{4}\) in 0.450 L of 0.450 M solution can be calculated as follows:
moles \(H_{2} SO_{4}\) = volume of solution (L) x molarity
moles \(H_{2} SO_{4}\) = 0.450 L x 0.450 mol/L
moles \(H_{2} SO_{4}\) = 0.2025 mol
Similarly, the number of moles of KOH in 0.400 L of 0.270 M solution can be calculated as follows:
moles KOH = volume of solution (L) x molarity
moles KOH = 0.400 L x 0.270 mol/L
moles KOH = 0.108 mol
The balanced chemical equation for the reaction between \(H_{2} SO_{4}\) and KOH is:
\(H_{2} SO_{4}\) + 2KOH → \(K_{2} SO_{4}\) + \(2H_{2} O\)
From the equation, we can see that 1 mole of \(H_{2} SO_{4}\) reacts with 2 moles of KOH. Since the number of moles of KOH (0.108 mol) is less than half the number of moles of \(H_{2} SO_{4}\) (0.2025 mol), KOH is the limiting reactant.
The reaction between \(H_{2} SO_{4}\) and KOH consumes all of the KOH and produces \(K_{2} SO_{4}\) and \(H_{2} O\).
The number of moles of \(H_{2} SO_{4}\) that reacts with KOH is:
moles \(H_{2} SO_{4}\) consumed = 2 x moles KOH
moles \(H_{2} SO_{4}\) consumed = 2 x 0.108 mol
moles \(H_{2} SO_{4}\) consumed = 0.216 mol
The number of moles of \(H_{2} SO_{4}\)that remain after neutralization is:
moles \(H_{2} SO_{4}\) remaining = initial moles \(H_{2} SO_{4}\) - moles \(H_{2} SO_{4}\) consumed
moles \(H_{2} SO_{4}\) remaining = 0.2025 mol - 0.216 mol
moles \(H_{2} SO_{4}\) remaining = -0.0135 mol
Since we cannot have a negative number of moles, this means that all of them \(H_{2} SO_{4}\) has been consumed and there is an excess of KOH remaining.
Therefore, the concentration of sulfuric acid remaining after neutralization is 0 M.
For similar question concentration,
https://brainly.com/question/26255204
#SPJ4
PLEASE HELP! 30 POINTS + BRAINLIEST!
If the product of the reaction is analyzed and found to contain 0.130 g of nitrogen and 0.370 g of oxygen, which compound was made?
Answers
Answer:
bro
Explanation:
If the product of the reaction is analyzed and found to contain 0.130 g of nitrogen and 0.370 g of oxygen are N2O5
What type of experiment did the student in the passage perform?
controlled
varying
not controlled
Answers
Answer:
controlled
Explanation:
awnser
Is 2 H2 + 2 NO →2 H2O + N2 balanced?
Answers
Answer:
Yes
Explanation:
In one to two sentences, describe how the ionic compound, licl would dissolve in the polar solvent, ch3coch3.
Answers
A lighter like the one shown below uses a substance called butane as its fuel. The butane can be burned to create a flame at the tip of the lighter.
a butane lighter
A teacher shows some of her students that the fuel inside the lighter's fuel tank is a liquid. But when she pushes the button that lets the fuel out of the lighter, they observe that it comes out as a gas. She and her students decide to investigate to discover what makes the butane change from a liquid to a gas.
Which step of an investigation would best help them determine what causes the change of state?
A.
calculating the volume of the lighter's fuel tank
B.
comparing lighters that use different kinds of fuel
C.
measuring the pressure inside the lighter's fuel tank
D.
heating butane gas to see if it changes state
Answers
Part of the investigation must be measuring the pressure inside the lighter fuel tank.
What is the pressure of a gas?The pressure of gas measures how compact the gas molecules are. We know that the more compacted the gas molecules are, the more likely the gas will exist in the liquid state.
Hence, part of the investigation must be measuring the pressure inside the lighter fuel tank.
Learn more about pressure of a gas:https://brainly.com/question/356658
#SPJ1
any observation must be measurable as well as...
Answers
answer pls ill give brainly
How is energy from the sun used as food energy by organisms in an ecosystem?
Energy from the sun is absorbed as heat by consumers.
Energy from the sun is absorbed by fungi, and it is then passed on to consumers.
Energy from the sun is converted into food energy by producers, which is then passed on to consumers.
Energy from the sun is converted into food by consumers, which is then passed on to producers.
Answers
Answer:
its absorbed by heat from consumers
ASAP!
A solution is made by dissolving 125 g of sodium chloride in 1.5 kg of water. What is the percent by mass?
Answers
Answer:
8.3334%
Explanation:
You have two masses. To find the percent of sodium chloride in water by mass, you divide the mass of NaCl by water. First, make both units the same. Easiest is to convert kg into g. 1.5kg = 1500g
125g NaCl/1500g H2O = 0.0833333333 ==> 8.3334%
the carbon atom of the carbonyl group bears a significant amount of a. partial negative charge. b. partial positive charge. c. electron cloud. d. electron density.
Answers
The carbon atom of the carbonyl group bears a significant amount of (b) partial positive charge.
The carbon atom in the carbonyl group of a molecule has a partial positive charge. This is because the oxygen atom in the carbonyl group is more electronegative than carbon and attracts electrons towards itself, leaving the carbon with a partial positive charge. This partial positive charge makes the carbon atom in the carbonyl group electrophilic and susceptible to nucleophilic attack by other molecules.
The carbonyl group is an important functional group found in many organic compounds, including aldehydes, ketones, and carboxylic acids.
Option b is answer.
You can learn more about carbonyl group at
https://brainly.com/question/13564853
#SPJ11
how do you find mole ratios?
Answers
In order to determine the mole ratio, you need to begin with a balanced chemical equation.
Need some help writing a scientific argument.
Some 8th graders were discussing a biology lesson on the Stickleback Fish population. Scientists have observed that the Stickleback population today has less armor and is faster than the population generations ago. Why?
What caused the Stickleback population to have less armor and be faster?
Here is what each student thinks:
Diana: The sticklebacks have less armor so they can escape predators.
Ruben: The sticklebacks have less armor so they can catch prey.
Write a scientific argument to support the student you agree with. Use EVIDENCE, VOCABULARY, and be specific with the CAUSE-AND-EFFECT relationship. Cite at least 3 pieces of evidence to support your argument.
Answers
Answer:
the stickle backs have less armor so they can catch prey and escape from predator
Explanation:
It makes them run faster so they catch their prey and escape from predator.
it makes them to be free from all the predators around them.
what is the answer to this?
Answers
4500+3000=
7500grados
Explain the trend as you move across a row of the periodic table for each of the following atomic
properties using your understanding of effective nuclear charge.
a. Atomic radius
b. Ionization energy/electronegativity
Answers
a) atomic radius decreases when moving across a period and increased when going down a group.
b) ionization energy increases when moving from left to right across and element period.
Vocab explanations:
groups: The columns of the periodic table are called groups.
periods: The horizontal rows are called periods.
This biome has extremely cold winters and short, mild summers. It has no trees, only low-growing plants with short root systems because of its frozen soil
called the permafrost. It is covered by snow for most of the year. Animals that live here must have wide paws or hooves to walk through the frozen mushy.
soil. This biome is known as the_________
A. Tropical rainforest
B. Taiga
C. Deciduous Forest
D. Desert
E. Grassland
F. Tundra
Answers
which sequence represents a correct order of historical developments leading to the modern model of the atom
Answers
The modern model of the atom are Discovery of the electron, Rutherford's atomic model, Bohr's atomic model, and the development of quantum mechanics.
What is the modern model of the atom? The modern model of the atom consists of three main components; a nucleus, which contains protons and neutrons, and a cloud of electrons that orbit the nucleus. The protons and neutrons in the nucleus are held together by a strong nuclear force. The electrons are held in orbit around the nucleus by the electromagnetic force. The number of protons in the nucleus determines the type of atom. For example, a hydrogen atom has one proton, while a carbon atom has six protons. The number of neutrons can vary, but the total number of protons and neutrons must equal the atomic mass. The electrons are arranged in shells around the nucleus, with each shell having a specific number of electrons. The number of shells and the arrangement of electrons determines the chemical properties of the atom. The modern model of the atom allows for a better understanding of how atoms interact with each other to form molecules, which are the basis of all matter.To learn more about model of atom refer to:
https://brainly.com/question/4138548
#SPJ1
Conductivity is directly related to the number of ions present in a solution. Insoluble compounds do not dissociate to any appreciable extent. What kind of conductivity would you expect such a solution to have?.
Answers
Answer: Referring to a solution that does not completely disassociate, the conductivity would be low.
Explanation: Ions that are completely disassociated conduct better than ions that still are connected by bonds.
The kind of conductivity that would you expect insoluble compounds have is very poor or low. Due to this, these compounds do not dissociate to any appreciable extent.
How is Conductivity measured?Conductivity is measured through the utilization of salinity measurement. This measurement most frequently determines the parts per thousand or grams per liter.
A Siemen is also referred to as its smaller equivalents, the milli-Siemen, and the micro-Siemen, which are each one-millionth of a Siemen, is a unit used to determine the conductivity of any given solution.
Some solutions like NaCl, HCl, NaOH, etc have high electrical conductivity because they readily dissociate into their ions. While insoluble compounds do not have this capability to dissociation, so they generally have low or poor electrical conductivity.
Therefore, insoluble compounds generally have low or poor electrical conductivity.
To learn more about Conductivity, refer to the link:
https://brainly.com/question/902006
#SPJ2
help meeeeeeeee pleaseeeeeeeeeee
Answers
why is oxygen more electronegative than hydrogen
Answers
Answer:
The attraction of the Oxygen for an electron as measured by the electronegativity of Oxygen is 3.5 which is higher than the electronegativity of Hydrogen at 2.2
Explanation:
What can you find on the periodic table?
A. the chemical formula for salt
B. the number of hydrogen atoms that are in a molecule of water
C. all the compounds that exist in the universe
D. all the elements that have been discovered
Answers
Of the compounds shown, which molecule would be named trans-4-methylpent-2-ene?
A. C
B. D
C. A
D. B
Answers
Answer:
the answer would be B
Explanation:
Answer:
B. D I got it right on the test.
What happens to the atomic radius when an electron is lost?
A. The positive ionic radius is the same size as the neutral atomic
radius.
B. The positive ionic radius does not follow a trend with the neutral
radius.
C. The positive ionic radius is smaller than the neutral atomic radius.
D. The positive ionic radius is larger than the neutral atomic radius.
Answers
Answer:the positive ionic radius is smaller than the neutral atomic radius
Explanation:
Answer:The positive ionic radius is smaller than the neutral atomic radius.
Explanation: just took the test