Gas Laws (no math)
Heating/Cooling Curves
Heat Equations
Combined Gas Law
Misc
100
Draw graph for the relationship between temperature and volume
100
At what segment does a solid exist ONLY?
AB
100
What is the heat of vaporization of water?
2260 J/g
100
A sample of gas is in a rigid cylinder with a movable piston. The pressure of the gas is kept constant. If the kelvin temperature of the gas is doubled, the volume of the gas...
Doubles
100
Convert 74K to degrees Celsius.
-199 degrees C
200
Draw a graph for the relationship between pressure and volume.
200
Identify this substance's boiling point
90 degrees C
200
When a 15.0 g sample of ammonia was vaporized at -28.0ºC, 4750J of heat energy were absorbed. What is the heat of vaporization of ammonia?
317 J/g
200
What volume will a 300.-milliliter sample of a gas at STP occupy when the pressure is doubled at constant temperature?
200
Name a physical change that is endothermic
Melting, boiling, subliming
300
Explain, in terms of particle motion, why volume increases when temperature increases.
Increased kinetic energy makes the particles move faster and spread out.
300
What does kinetic energy do during segment AB?
Increase
300
Water at in a calorimeter absorbed 1100J of heat after 35.78 g of nickel at 97.6ºC was poured into it. The final temp of the Ni and water was 25.3ºC. What is the specific heat of the Ni?
0.43J/g*K
300
At 25ºC, gas in a rigid cylinder with a movable piston has a volume of 175 mL and a pressure of 115 kPa. Then the gas compressed to a volume of 55 mL. What is the new pressure of the gas if the temperature if held constant.
370kPa
300
What phase has the most entropy?
Gas
400
Describe the heat transfer between water and ice
Heat transfers from the water to the ice
400
What does potential energy and kinetic energy do during segment BC?
KE -> Stays the same
PE -> Increase
400
What is the total amount of heat required to completely melt 255 grams of ice at its melting point?
85200J
400
A helium filled balloon with a volume of 220 L at sea level and STP is allowed to rise to a height of 6.5km, where the pressure is about 40. kPa, and the temp is -42ºC. What is the volume of the balloon at 6.5 km?
470L
400
1. According to the kinetic molecular theory, the particles of an ideal gas have
A) attractive forces between them
B) random, constant, straight-line motion
C) a greater size than the distance between them
D) collisions that increase the total energy of gas particles
B
500
Explain in terms of particle motion why pressure increases with a decrease in volume?
Less space meaning particles hit with more frequency
500
When can heat of vaporization be determined?
Segment DE
500
A 100. gram sample of H2O(l) at 24.0ºC absorbs 8460J of heat. What will be the final temperature of the water?
44.2ºC
500
A 30.0 mL sample of a gas is at STP. If the pressure is changed to 75.0kPa, at what temperature will the gas occupy 45.0mL?
303K
500
Which of the following conditions are most ideal for gases?
1atm and 50ºC
2atm and 50ºC
2atm and 100ºC
1atm and 100ºC
1atm and 100ºC