Thermal Physics

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

• one reaches a temperature of zero
• they both have an equal temperature
• one runs out of energy

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

What letter represents heat?

• S
• C
• T
• Q

Tags

NGSS.HS-PS3-4

What is 0^oC in Kelvin?

• 110 K
• 100 K
• 273 K
• 210 K

How much heat is absorbed when 355g of water goes from 25-45 degrees Celsius? The specific heat of water is 4180 J/kg.K 

• 21945 J
• 21945 g
• 29678 J
• 29678 g

A 300g piece of aluminum at 100 ^oC is placed in a 150g of H₂O at 200 ^oC. The final temp. of the mix is 35 ^oC. What is the specific heat of the aluminum if the specific heat of the water is 4180 J/kgK?

• 22415 J
• 22415 g
• 32415 J
• 32415 g

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

To convert from Celsius to Kelvin:
 
K = Degrees Celsius + __________  

• 251 K
• 275 K
• 213 K
• 273 K

the symbol for specific latent heat is

• c

• $l$

• Q

• m

The heat absorbed by melting a solid is known as

• latent heat of fusion

• latent heat of solid

• latent heat of liquid

• latent heat of vaporisation

Tags

NGSS.MS-PS1-4

What is the formula to calculate specific latent heat of vaporisation?

• $l=\frac{Q}{m}$

• c = Q/(mΔƟ)

• Q = mcΔƟ

• $Q=ml$