AP Physics 2 - Thermo

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-PS1-4

NGSS.MS-PS3-4

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

0.020 kg of water. specific heat of water is 4180 J/kg*°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

Specific heat of water is 4180 J kg^-1 °C^-1. Specific heat of wood is 176 J kg^-1 °C^-1 What material needs more heat energy to raise the temperature?

• Water

• Wood

• Both are same

Tags

NGSS.MS-PS3-4

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 390 J/kg °C. What is the temperature change (∆t) when 100 Joules of heat(Q) is added to 0.02.kg of it?

• 12.82 °C

• 24.12°C

• 351 °C

Tags

NGSS.HS-PS3-1