CHEM300B UNIT V EXAM 2025 WITH 100% ACCURATE
SOLUTIONS
All of the following except one are forms of matter - Precise Answer
✔✔electronegativity
Which of the following is the correct statement about the effects of
temperature (T) on the average kinetic energy of gas particles (KE)? -
Precise Answer ✔✔Decrease in T --) decrease in KE
The forces of attraction between molecules of an ideal gas are - Precise
Answer ✔✔non-existent
The kinetic-molecular theory assumes that - Precise Answer
✔✔molecules are always in motion
Gas molecules are far apart. True or False? - Precise Answer ✔✔True
An ideal gas is an imaginary gas. True or False? - Precise Answer
✔✔True
The kinetic-molecular theory only applies to gases. True or False? -
Precise Answer ✔✔False
,Collisions between gas molecules result in loss of kinetic energy. True
or False? - Precise Answer ✔✔False
Pressure equals - Precise Answer ✔✔force/area
The earth's atmosphere exerts pressure because - Precise Answer
✔✔gravity pulls gas molecules down
A heavier rock exerts more pressure on the ground than a lighter rock.
True or False? - Precise Answer ✔✔True
Gas pressure would result from collisions of gas molecules with the
sides of a container. True or False? - Precise Answer ✔✔True
A barometer is used to measure - Precise Answer ✔✔atmospheric
pressure
Only one of the following is not used to measure air pressure - Precise
Answer ✔✔sphygmomanometer
Evangelista Torricelli invented the barometer. True or False? - Precise
Answer ✔✔True
The mmHg is the standard unit of pressure. True or False? - Precise
Answer ✔✔False
, Convert 93.2 kPa to mm Hg - Precise Answer ✔✔93.2 kPa x 760 mm
Hg/101.3 kPa = 699 mm Hg
Convert 698 torr to kPa - Precise Answer ✔✔698 torr×101.3 kPa/760
torr = 93.0 kPa
Convert 107 kPa to atm - Precise Answer ✔✔107 kPa×1 atm/101.3 kPa
= 1.06 atm
Convert 0.900 atm to mmHg - Precise Answer ✔✔0.900 atm×760
mmHg/1 atm=684 mmHg
One of the following statements about absolute zero is not true - Precise
Answer ✔✔absolute zero is the temperature at which there is no
electron movement
The kinetic energy of particles in a sample of NaCl - Precise Answer
✔✔increase with an increase in temperature
At room temperature, the average kinetic energy of ice is the same as the
average kinetic energy of steam. True or False? - Precise Answer
✔✔True
Absolute zero has been reached in the laboratory. True or False? -
Precise Answer ✔✔False
SOLUTIONS
All of the following except one are forms of matter - Precise Answer
✔✔electronegativity
Which of the following is the correct statement about the effects of
temperature (T) on the average kinetic energy of gas particles (KE)? -
Precise Answer ✔✔Decrease in T --) decrease in KE
The forces of attraction between molecules of an ideal gas are - Precise
Answer ✔✔non-existent
The kinetic-molecular theory assumes that - Precise Answer
✔✔molecules are always in motion
Gas molecules are far apart. True or False? - Precise Answer ✔✔True
An ideal gas is an imaginary gas. True or False? - Precise Answer
✔✔True
The kinetic-molecular theory only applies to gases. True or False? -
Precise Answer ✔✔False
,Collisions between gas molecules result in loss of kinetic energy. True
or False? - Precise Answer ✔✔False
Pressure equals - Precise Answer ✔✔force/area
The earth's atmosphere exerts pressure because - Precise Answer
✔✔gravity pulls gas molecules down
A heavier rock exerts more pressure on the ground than a lighter rock.
True or False? - Precise Answer ✔✔True
Gas pressure would result from collisions of gas molecules with the
sides of a container. True or False? - Precise Answer ✔✔True
A barometer is used to measure - Precise Answer ✔✔atmospheric
pressure
Only one of the following is not used to measure air pressure - Precise
Answer ✔✔sphygmomanometer
Evangelista Torricelli invented the barometer. True or False? - Precise
Answer ✔✔True
The mmHg is the standard unit of pressure. True or False? - Precise
Answer ✔✔False
, Convert 93.2 kPa to mm Hg - Precise Answer ✔✔93.2 kPa x 760 mm
Hg/101.3 kPa = 699 mm Hg
Convert 698 torr to kPa - Precise Answer ✔✔698 torr×101.3 kPa/760
torr = 93.0 kPa
Convert 107 kPa to atm - Precise Answer ✔✔107 kPa×1 atm/101.3 kPa
= 1.06 atm
Convert 0.900 atm to mmHg - Precise Answer ✔✔0.900 atm×760
mmHg/1 atm=684 mmHg
One of the following statements about absolute zero is not true - Precise
Answer ✔✔absolute zero is the temperature at which there is no
electron movement
The kinetic energy of particles in a sample of NaCl - Precise Answer
✔✔increase with an increase in temperature
At room temperature, the average kinetic energy of ice is the same as the
average kinetic energy of steam. True or False? - Precise Answer
✔✔True
Absolute zero has been reached in the laboratory. True or False? -
Precise Answer ✔✔False
