AP Physics Thermodynamics Review Project
1.What is Temperature?
2.What is the SI Unit of Temperature?
3.What is the Formula for converting Celsius into Kelvin?
4.What is the Formula for converting Fahrenheit into Kelvin?
5.What is 50 degrees Celsius in Kelvin?
6.What is 70 degrees Fahrenheit in Kelvin?
7.What is heat?
8.What is the SI unit for heat?
9.What are the three ways to transfer heat and briefly describe each one?
10.What is the heat transfer by conduction formula?
11.A glass window has dimensions of 1.2m high, 1.0m wide, and 5mm thick. The outside
temperature is 5 degrees Celsius, while the inside air temperature is 15 degrees Celsius. What is the
conductive rate of heat transfer through the window? How much energy is transferred in one hour?
12.What is specific heat capacity? What is the formula for specific heat capacity? What is the SI unit
for specific heat capacity?
13.
(i) 500 g of water at a temperature of 17 oC is placed in an electric kettle. The power rating of the
kettle is 2.0 kW. Calculate the energy required to raise the temperature of the water to 100 oC.
(ii) Calculate the energy supplied by the kettle per second.
(iii) Calculate the least amount of time it would take to heat the water to 100 oC.
(iv) In reality, the time taken to heat the water will be greater. Explain why.
14.What is latent heat? What is the formula for latent heat? What do each of the letters represent?
15.How much heat energy is needed to convert 6kg of ice at 0 degrees Celsius to water at 0 degrees
Celsius?
16.What is a mole?
17.What is the Atomic number of an element?
18.What is the Mass number of an element?
19.How many atoms in 3.5µg of Po-218? 1 mole of Po-218=218 grams.
20.What is pressure?
21.What is the SI unit of pressure?
22.What is the SI unit of volume?
23.What is Boyle’s law?
AP Physics Thermodynamics Review Project
24.A confined gas at constant temperature has a volume of 60m3 and a pressure of 500Pa. If it is
compressed to a volume of 20m3, what is the new pressure?
25.What is the pressure-temperature law?
26.What is charles’s law?
27.What are the four versions of the Ideal Gas law? And what does each letter represent?
28.What is Boltzmann’s constant?
29.What is the formula for the average Kinetic energy per molecule?
30.An ideal gas at 145 degrees Celsius has molecules with an average kinetic energy of what value?
How many molecules would you need to have 4 joules of thermal energy?
The formula for the average velocity per molecule is 𝒗𝒓𝒎𝒔 = √
𝟑𝑲𝑻
𝒎
Where
v=velocity, k= Boltzmann’s constant, T =temperature and m=mass.
Learn the above formula off by heart not on your equation sheet.
31.How many molecules of helium are required to fill a balloon with a diameter of 50cm at a
temperature of 27 degrees Celsius? What is the average kinetic energy of each molecule of helium?
What is the average velocity of each molecule of helium?
32.What is the SI unit for energy?
33.What is formula for the relationship between work, pressure and change in volume?
34.What is the SI unit for work?
35.What does isobaric mean?
36.If 9m3 of gas at 3000Pa undergoes isobaric compression to 7m3, then is heated while held at that
size such that its pressure is increased to 8,000Pa, and then is allowed to undergo isobaric expansion
to 12m3, what is the net work done to the gas?
37.Twenty cubic meters of an ideal gas is at 70 degrees Celsius and at a pressure of 80kPa. If the
temperature is raised to 135 degrees Celsius and the volume is compressed by a quarter, what is the
new pressure?
38.What is the first law of thermodynamics?