Review Unit 4: Energy

What line segment represents only the solid state?

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which segment represents the heat of fusion?

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Between which two points is the gas condensing?

• A <---- B

• B <---- C

• C <---- D

• D <---- E

• E <---- F

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which equation do you use to solve for the energy of segment D-E?

• q= mCΔT

• q= H_v*m

• PV=nRT

• q= H_f*m

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What equation would you use to solve the following:

How much heat is absorbed by 20g granite boulder as energy from the sun causes its temperature to change from 10°C to 29°C?

• q=mCΔT

• q=H_v*m

• q= H_f*m

• PV=nRT

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

What equation would you use to solve the following:

Calculate the heat necessary to change 10 g of H2O(l) at 100°C to 10 g of H2O(g) at 100°C.

• q=mCΔT

• q=H_v*m

• q=H_f*m

• PV=nRT

Tags

NGSS.MS-PS1-4

True or false: melting and freezing occur at the same temperature!

• True
• False
• I don't know

Tags

NGSS.MS-PS1-4

What unit do you use to measure Thermal Energy?

• J/Kg ºC
• Kg
• ºC
• J

Tags

NGSS.MS-PS3-4

What is the symbol for Specific Heat

• Q
• t
• m
• C

If 20 g of water undergoes a temperature change from 25° C to 30° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 J

• 209 J

• 83 J

• 4.18 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1