AP Physics II - Thermodynamics

Thermodynamics is the study of what?

• The transfer of energy
• The creation of energy
• The speed of reactions 
• The affect of heat on the speed of a reaction 

Tags

NGSS.HS-PS3-4

Temperature is a measure of the...

• total energy in a substance
• total kinetic energy in a substance
• average potential energy in a substance
• average kinetic energy of molecules in a substance

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

A substance with a high specific heat:

• Is always extremely hot.
• Requires a lot of energy to become hot.
• Is not heavy.
• Does not requires a lot of energy to become hot.

Tags

NGSS.HS-PS3-4

What is the correct formula to convert Celsius to Kelvin?

• K=C-273
• K=C+273
• K=C-100
• K=C+100

Heat is measured in 

• joules
• grams
• degrees celcius

Tags

NGSS.MS-PS3-4

20 g of water. specific heat of water is 4.18 J/gŸ°C.  temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 Joules
• 209 J
• 83 J
• 4.18 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

Specific heat of water is  4.18 J g^-1 °C^-1. Specific heat of wood is 1.760 J g^-1 °C^-1 What material needs more heat energy to raise the temperature?

• Water
• Wood
• Both are same

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

In our equations, what does "ΔT" represent?

• mass
• change in temperature
• latent heat
• specific heat

The symbol for specific heat is .......

• c

• Q

• m

• ∆T

The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams?

• 12.82 °C
• 24.12°C
• 351 °C

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1