Chem 162 Exam Practice Study Guide
Latest Updated
A sample of Argon gas has a volume of 735mL at a pressure of 1.20 atm and
temperature of 300K. What is the pressure of the gas if its volume and temperature is
changed to 900mL and 200K? - ANS-C.0.653
In a solution of 5.0g sugar and 100.0g water, water is the: - ANS-A.solvent
Pressure exerted by the vapor when it is in dynamic equilibrium with its liquid is called: -
ANS-vapor pressure
A 3.76 g sample of a noble gas is stored in a 2.00 L vessel at 874 torr and 25°C. What
is the noble gas? - ANS-Ar
Which of the following substances is not a solution? - ANS-oxygen
The vapor pressure of water at 20.0°C is 17.5 mm Hg . If the pressure of a gas collected
over water was measured to be 453.0 mm Hg. What is the pressure of the pure gas? -
ANS-0.573 atm
The reaction between H2 gas and propene gas to produce propane gas includes a
nickel catalyst at 25oC. This is an example of a _______________ catalysis - ANS-
heterogeneous
A barometer uses mercury because: - ANS-the density of mercury is very large which
allows the barometer to be short
A substance that has strong intermolecular forces will probably be ______________ at
room temperature - ANS-solid
Calculate the molar mass of a gas that effuses at a rate 0.633 times O2 - ANS-80
How many calories does it take to vaporize 50.0g of benzene at its boiling point? use
table 44.2 Voyce text - ANS-C.4720 cal
Pressure exerted on the earth by air particles, describes: - ANS-atmospheric pressure
Latest Updated
A sample of Argon gas has a volume of 735mL at a pressure of 1.20 atm and
temperature of 300K. What is the pressure of the gas if its volume and temperature is
changed to 900mL and 200K? - ANS-C.0.653
In a solution of 5.0g sugar and 100.0g water, water is the: - ANS-A.solvent
Pressure exerted by the vapor when it is in dynamic equilibrium with its liquid is called: -
ANS-vapor pressure
A 3.76 g sample of a noble gas is stored in a 2.00 L vessel at 874 torr and 25°C. What
is the noble gas? - ANS-Ar
Which of the following substances is not a solution? - ANS-oxygen
The vapor pressure of water at 20.0°C is 17.5 mm Hg . If the pressure of a gas collected
over water was measured to be 453.0 mm Hg. What is the pressure of the pure gas? -
ANS-0.573 atm
The reaction between H2 gas and propene gas to produce propane gas includes a
nickel catalyst at 25oC. This is an example of a _______________ catalysis - ANS-
heterogeneous
A barometer uses mercury because: - ANS-the density of mercury is very large which
allows the barometer to be short
A substance that has strong intermolecular forces will probably be ______________ at
room temperature - ANS-solid
Calculate the molar mass of a gas that effuses at a rate 0.633 times O2 - ANS-80
How many calories does it take to vaporize 50.0g of benzene at its boiling point? use
table 44.2 Voyce text - ANS-C.4720 cal
Pressure exerted on the earth by air particles, describes: - ANS-atmospheric pressure
