Heat of Fusion and Heat of Vaporization

When water is heated from 10°C to 15°C What is the change in temperature?

• 10 °C
• 5 °C
• 15 °C
• 25 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a  piece of aluminum foil is taken out of the oven and cools from 100°C to 50°C.
What is the change in temperature?

• 50°C
• 0°C
• 100°C
• 150°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a baked potato at 10 °C is heated to 180 °C in the oven its temperature change is

• 170 °C
• 10 °C
• 180 °C
• 190 °C

Tags

NGSS.HS-PS3-4

If I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up.
Which one heats up the fastest.

• 1 kg
• 10 kg
• They both heat up at the same speed
• They don't heat up.

Tags

NGSS.HS-PS3-4

If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?

• 100 mL
• 1000 mL
• They both heat up at the same speed
• They cool down.

Tags

NGSS.HS-PS3-4

How much energy is required to heat up 12kg of copper from 10 °C to 120 °C. The specific heat capacity is 390 J/kg °C.

• 46800 J
• 561600 J
• 514800 J

Tags

NGSS.HS-PS3-1

How many Joules of energy are required to make 100 grams of ice at 0 ^οC completely melt? The specific latent heat of fusion of ice is 334000 J/kg

• 200 J
• 400 J
• 33,400 J
• 2,000,000 J

Tags

NGSS.HS-PS3-1

Calculate the amount of energy required to melt 35.0 grams of ice.
(not in sig figs)  H_f = 80.0 cal/g,  H_v = 560.0 cal/g, S_H = 1.00 cal/g ºC

• 19,600 cal
• 35.0 cal
• 2,800 cal 
• 1,568,000 cal 

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

NGSS.HS-PS3-2

How many calories are required to boil 75 grams of water?
(not in sig figs)  H_f = 80.0 cal/g,  H_v = 560.0 cal/g, S_H = 1.00 cal/g ºC

• 6,000 cal
• 3,360,000 cal
• 42,000 cal
• 7.46 cal

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

NGSS.HS-PS3-2

If a 8.50g ice cube at -10^o C sits out on the counter, completely melts, and then warms to room temperature (25^o C) how much energy did the ice cube absorb? Use C = 2.108 J/g^oC for ice, C = 4.184 J/g^oC for water, and H_f = 334 J/g.

• 179.18 J
• 2839 J
• 889.1 J
• 3907.3 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4