Honors Chemistry Exam Prep 2

21 Questions | By Mmccoy14 | Last updated: Mar 15, 2022 | Total Attempts: 53

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Chemistry exam prep

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1.

An ideal gas is a hypothetical gas
- A.
  
  Not made of particles
- B.
  
  That conforms to all of the assumption of the kinetic theory
- C.
  
  Whose particles have zero mass
- D.
  
  Made of motionless particles
2.

Which branch of chemistry deals with the mass relationships of elements in compounds and the mass relationships among reactants and products in chemical reactions
- A.
  
  Qualitative analysis
- B.
  
  Entropy
- C.
  
  Chemical kinetics
- D.
  
  Stoichiometry
3.

What is the study of the mass relationships among reactants and products in a chemical reaction?
- A.
  
  Reaction stoichiometry
- B.
  
  Composition stoichiometry
- C.
  
  Electron configuration
- D.
  
  Avogadro's principle
4.

What is the study of the mass relationships among reactants and products in a chemical reaction
- A.
  
  Reaction stoichiometry
- B.
  
  Composition stoichiometry
- C.
  
  Electron configuration
- D.
  
  Periodic law
5.

In what kind of reaction do two or more substances combine to form a new compound?
- A.
  
  Decomposition reaction
- B.
  
  Combustion reaction
- C.
  
  Double-displacement reaction
- D.
  
  Synthesis reaction
6.

When the limiting reactant in a chemical reaction is completely used, the
- A.
  
  Excess reactants begin combining
- B.
  
  Reaction slows down
- C.
  
  Reaction speeds up
- D.
  
  Reaction stops
7.

What is the measured amount of a product obtained from a chemical reaction?
- A.
  
  Mole ratio
- B.
  
  Percentage yield
- C.
  
  Theoretical yield
- D.
  
  Actual yield
8.

Pressure is the force per unit
- A.
  
  Volume
- B.
  
  Surface area
- C.
  
  Length
- D.
  
  Depth
9.

What is the SI unit of force
- A.
  
  Torr
- B.
  
  Pascal
- C.
  
  Pound
- D.
  
  Newton
10.

If force is held cosntant as surface area decreases, pressure
- A.
  
  Remains constant
- B.
  
  Decreases
- C.
  
  Increases
- D.
  
  Increases or decreases, depending on the volume change
11.

What does the constant bombardment of gas molecules against the inside walls of a container produce?
- A.
  
  Temperature
- B.
  
  Density
- C.
  
  Pressure
- D.
  
  Diffusion
12.

Which instrument measures atomospheric pressure?
- A.
  
  Barometer
- B.
  
  Manometer
- C.
  
  Vacuum pump
- D.
  
  Torrometer
13.

Which insturment measures the pressure of an enclosed gas
- A.
  
  Barometer
- B.
  
  Manometer
- C.
  
  Vacuum pump
- D.
  
  Torrometer
14.

Convert the pressure 0.75 atm to mm Hg
- A.
  
  101.325 mm Hg
- B.
  
  430 mm Hg
- C.
  
  570 mm Hg
- D.
  
  760 mm Hg
15.

Standard temperature is exactly
- A.
  
  100 C
- B.
  
  273 C
- C.
  
  0 C
- D.
  
  0 K
16.

Standard pressure is the pressure exerted by a column of mercury exactly
- A.
  
  273 mm high
- B.
  
  760 mm high
- C.
  
  760 cm high
- D.
  
  1.00 m high
17.

Standard pressure is the pressure exerted by a column of mercury exactly
- A.
  
  273 mm high
- B.
  
  760 mm high
- C.
  
  760 cm high
- D.
  
  1.00 m high
18.

A sample of oxygen occupies 560. mL when the pressure is 800.00 mm Hg. At constant temperature, what volume does the gas occupy when the pressure decreases to 700.0 mm Hg
- A.
  
  80.0 mL
- B.
  
  490 mL
- C.
  
  600 mL
- D.
  
  640 mL
19.

The gas pressure inside a container decreases when
- A.
  
  The number of gas molecules is increased
- B.
  
  The number of gas molecules is decreased
- C.
  
  The temperature is increased
- D.
  
  The number of molecules is increased and the temperature is increased
20.

The standard molar volume of a gas at STP is
- A.
  
  22.4 L
- B.
  
  G/22.4 L
- C.
  
  G-mol wt/22.4 L
- D.
  
  1 L
21.

The standard molar volume of a gas at STP is
- A.
  
  22.4 L
- B.
  
  G/22.4 L
- C.
  
  G-mol wt/22.4 L
- D.
  
  1 L