Heat Capacity

What is the correct SI unit for energy? (provide the correct name and symbol)

• calorie, C

• temperature, C

• Joule, J

• Kelvin, K

What letter is used to represent specific heat capacity?

• H

• P

• C

• T

What are the accepted units for specific heat capacity?

• J/g * C

• J/g

• g/J * C

• J

Tags

NGSS.HS-PS3-4

What is the specific heat capacity of water?

• 1 J/g * C

• 2.245 J/g * C

• 8.148 J/g * C

• 4.184 J/g * C

Tags

NGSS.HS-PS3-4

What is the correct equation that should be used for solving heat capacity problems that involve one substance?

• m = (Q)(C)(delta T)

• C = (m)(Q)(delta T)

• Q = (m)(C)(delta T)

• delta T = (m)(Q)(C)

In heat capacity equations, what does the triangle represent?

• Temperature

• energy

• mass

• change in

• change in temp

How much energy is required to raise 85.36 g of water from 18.5^oC to 60.3^oC?

• 21500 J

• 6610 J

• 14900 J

• 85400 J

Tags

NGSS.HS-PS3-1

656.7 J of energy are added to a sample of iron and the temperature of the sample increases by 22.36^oC. What must be the mass of this iron sample? (C_Fe = .4494 J/g * ^oC)

• 65.34 g

• 89.36 g

• 48.36g

• 35.21g

Tags

NGSS.HS-PS3-4

a 125.3 g sample of aluminum at a temperature of 36.2^oC is placed in a freezer. What will be the final temperature of the aluminum sample if the freezer extracts 896.3 j of energy? (C_{Al = .9025 j/g*}^o_C)

• 7.9 ^oC

• -7.9 ^oC

• 44.1 ^oC

• 28.3 ^oC

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

the addition of 485 J of energy increases the temperature of a 47.3 g sample of a metal from 25.6^oC to 45.3^oC. What is the specific heat capacity of this metal?

• .226 J/g*^oC

• .520 J/g*^oC

• .401 J/g*^oC

• .385 J/g*^oC

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4