End of Semester Test Chemistry B Review 2026 || Most
Recent Exam 2026-2027 Actual Complete Real Exam
Questions And Correct Answers (Verified Answers by
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A certain amount of gas is trapped in a nonrigid container at
atmospheric pressure. If the container is cooled and the gas in
the container remains at atmospheric pressure, what will
happen? - ANSWER-The volume of the container will decrease.
Air is a mixture of many gases. A 25.0-liter jar of air contains
0.0104 mole of
argon at a temperature of 273 K. What is the partial pressure
of argon in the
jar?
The partial pressure of argon in the jar is ____ kilopascal. -
ANSWER-0.944
The gas in a sealed container has an absolute pressure of 125.4
kilopascals. If
the air around the container is at a pressure of 99.8
kilopascals, what is the
gauge pressure inside the container? -
ANSWER-25.6 kPa
, A volleyball is full of pressurized air. The air temperature is
24.6˚C. The volleyball's absolute pressure is 130.75 kilopascals,
and its volume is 5.27 liters. How many moles of air are inside
the volleyball? - ANSWER-0.278 mol
Identify the molecular shape of each Lewis structure. -
ANSWER-NI3 - trigonal pyramidal CCL4 - tetrahedral
BF3 - trigonal planar
NO2 - bent
Which element can bond with titanium (Ti) to form a polar
covalent bond? -
ANSWER-
nitrogen (N)
Which sentence best explains the high melting point, boiling
point, and surface
tension of water? - ANSWER-The negative side of each
water molecule is
attracted to the positive sides of nearby
molecules.
For a gas to be soluble in water, the gas should contain ____
molecules. The water should be at a ____ temperature, and the
gas should be at ____ pressure above the surface of the water.
- ANSWER-polar, low, high
Recent Exam 2026-2027 Actual Complete Real Exam
Questions And Correct Answers (Verified Answers by
Expert) Already Graded A+ | Guaranteed Success!!
Newest Exam | Just Released!!
A certain amount of gas is trapped in a nonrigid container at
atmospheric pressure. If the container is cooled and the gas in
the container remains at atmospheric pressure, what will
happen? - ANSWER-The volume of the container will decrease.
Air is a mixture of many gases. A 25.0-liter jar of air contains
0.0104 mole of
argon at a temperature of 273 K. What is the partial pressure
of argon in the
jar?
The partial pressure of argon in the jar is ____ kilopascal. -
ANSWER-0.944
The gas in a sealed container has an absolute pressure of 125.4
kilopascals. If
the air around the container is at a pressure of 99.8
kilopascals, what is the
gauge pressure inside the container? -
ANSWER-25.6 kPa
, A volleyball is full of pressurized air. The air temperature is
24.6˚C. The volleyball's absolute pressure is 130.75 kilopascals,
and its volume is 5.27 liters. How many moles of air are inside
the volleyball? - ANSWER-0.278 mol
Identify the molecular shape of each Lewis structure. -
ANSWER-NI3 - trigonal pyramidal CCL4 - tetrahedral
BF3 - trigonal planar
NO2 - bent
Which element can bond with titanium (Ti) to form a polar
covalent bond? -
ANSWER-
nitrogen (N)
Which sentence best explains the high melting point, boiling
point, and surface
tension of water? - ANSWER-The negative side of each
water molecule is
attracted to the positive sides of nearby
molecules.
For a gas to be soluble in water, the gas should contain ____
molecules. The water should be at a ____ temperature, and the
gas should be at ____ pressure above the surface of the water.
- ANSWER-polar, low, high
