Heat Retest

___________ is measured by the unit Joules.

• Heat energy
• Temperature
• Specific heat

Calculate the amount of energy required to evaporate 98.0 grams of steam at 0^oC?

• +32732J

• -221480J

• -32732J

• +221480J

How many Joules of energy are required to make 100 grams of ice at 0 ^οC completely melt?

• 200 J

• 400 J

• 33,400 J

• 2,000,000 J

Tags

NGSS.HS-PS3-1

If a sample of water releases 1000J upon freezing what was the mass of the sample?

• 500 g

• 334000J

• 0.44g

• 2.99g

If a sample of water 2980J upon evaporizing what was the mass of the sample?

• 8.9

• 334000J

• 1.32g

• 6734800g

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

How much heat(Q) is released when a 10g piece of lead cools from 100^oC to 50^oC?

• 64.5 J

• 500 J

• 0.0266 J

• 0.645 J

How much is required for a pot of 2400 g of water at a temperature of 13˚C to increase to 88˚C.

• 133.76J

• 43,062.2J

• 752,400J

• 1,003,200J