Types of Chemical Reactions — Unit test Answers
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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.22
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A student uses the value 0.0821 L• atm/mol • K for the gas constant in the ideal gas law. What are the most appropriate units for pressure, volume, and temperature in this case?
A
P has the units of atm, V has units of milliliters, and T has the units of kelvin.B
P has the units of mmHg, V has units of liters, and T has the units of degrees Celsius.C
P has the units of atm, V has the units of liters, and T has units of kelvin.D
P has units of liters, V has units of liters, and T has units of degrees Celsius.23
Which law is based on the graph that is shown below?
A
Boyle’s lawB
Charles’s lawC
Dalton’s lawD
Gay-Lussac’s law24
A scientist is measuring the pressure exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen, and nitrogen. Which term most likely describes what the scientist is measuring?
A
final pressureB
initial pressureC
combined pressureD
partial pressure25
Which law relates temperature, pressure, volume, and the number of moles of a gas under perfect conditions?
A
Boyle’s lawB
Charles’s lawC
ideal gas lawD
combined gas lawDid you find these answers helpful?
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