Honors Chemistry Exam Prep 2
Chemistry exam prep
- 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
Questions: 10 | Attempts: 37231 | Last updated: Jun 23, 2020
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Sample QuestionAll matter consists of particles called________________.
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Sample QuestionAn alloy is:
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Sample QuestionIs the molecule shown chiral or achiral?
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