AnswersSY2026-27 - 2003340 Chemistry 1 Sem 2 CRLab: Boyle’s Law

Lab: Boyle’s Law — Unit test Answers

25 verified answers1 views
21
Free Preview

Which law states that the volume of a gas is proportional to the moles of the gas when pressure and temperature are kept constant?

A
Boyle’s law
B
Dalton’s law
C
Charles’s law
D
Avogadro’s law
22
Free Preview

The following balanced equation shows the formation of water.2H2 + O2 2H2OHow many moles of oxygen (O2) are required to completely react with 27.4 mol of H2?

Question illustration
A
6.8 mol
B
13.7 mol
C
54.8 mol
D
109.6 mol
23

If two gases are present in a container, the total pressure in the container is equal to

A
the sum of the pressures that are exerted by each of the two gases.
B
twice the sum of the pressures that are exerted by the individual gases.
C
the sum of the pressures that each gas would exert if they occupied twice the volume.
D
the sum of the pressures that each gas would exert if they occupied half the volume.
24

Which law relates to the ideal gas law?

A
mc004-1.jpg
Option A
B
mc004-2.jpg
Option B
C
mc004-3.jpg
Option C
D
mc004-4.jpg
Option D
25

Consider the equation below.Na+ + Cl– NaClWhich statement best describes the relationship between the substances in the equation?

Question illustration
A
The number of sodium ions is equal to the number of formula units of salt.
B
The number of sodium ions is less than the number of chloride ions.
C
The number of chloride ions is less than the number of formula units of salt.
D
The number of sodium ions is two times the number of formula units of salt.
26

The gas in the piston is being heated, and the piston has moved upward. The observation will be summarized in a row of the incomplete table below.RowNameObservationVariables1Boyle's law Volume increases when pressure decreases?2Charles’s law??3Gay-Lussac’s law?Temperature, pressure4Combined gas law??What are the variables for this piston?

Question illustration
A
temperature only
B
temperature and volume
C
pressure and number of molecules
D
volume and number of molecules
27

What is the molar mass of Al2(SO4)3?

A
150.03 g/mol
B
278.03 g/mol
C
342.17 g/mol
D
450.09 g/mol
28

Consider a balloon that has a volume V. It contains n moles of gas, it has an internal pressure of P, and its temperature is T. If the balloon is heated to a temperature of 15.5T while it is placed under a high pressure of 15.5P, how does the volume of the balloon change?

A
It doubles.
B
It stays the same.
C
It increases greatly.
D
It decreases slightly.
29

The balanced equation below shows the products that are formed when butane (C4H10) is combusted. 2C4H10 + 13O2 8CO2 + 10H2OWhat is the mole ratio of butane to carbon dioxide?

Question illustration
A
2:8
B
1:5
C
13:8
D
13:10
30

Which law states that the volume and absolute temperature of a fixed quantity of gas are directly proportional under constant pressure conditions?

A
Boyle’s law
B
Charles’s law
C
Dalton’s law
D
Gay-Lussac’s law
31

Acid rain can be destructive to both the natural environment and human-made structures. The equation below shows a reaction that occurs that may lead to the formation of acid rain. 3NO2 + H2O 2HNO3 + NOHow many moles (precise to the nearest 0.01 mol) of nitric acid are produced from 300.00 mol of nitrogen dioxide?

Question illustration
A
200.00 mol
B
200.09 mol
C
450.00 mol
D
450.02 mol
32

How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen?

A
1 mol of oxygen has fewer molecules.
B
1 mol of oxygen has more molecules.
C
Each sample has the same number of molecules.
D
The molecules cannot be compared without knowing the mass.

Did you find these answers helpful?

More from this Course

Assignment
35 verified answers

Lab: Boyle’s Law

Assignment
29 verified answers

Virtual Lab

Assignment
28 verified answers

Lab: Boyle’s Law