Calorimetry

When a hot block of metal is dropped into a cup of cold water, heat is transferred

• from the water to the metal

• from the metal to the water

Tags

NGSS.HS-PS3-4

If 95.0 g of water increases in temperature from 23.1^oC to 36.5^oC, the water...

• absorbs 5320 J of heat

• releases 5320 J of heat

• absorbs 14500 J of heat

• releases 1273 J of heat

• absorbs 1273 J of heat

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

How much heat is transferred when a 24.3 g object with a specific heat capacity of 0.73 J/g^oC cools from 86^oC to 54^oC?

• -568 J

• 1530 J

• +567 J

• -958 J

Tags

NGSS.HS-PS3-4

A piece of cold metal is dropped into warm water and they come to the same temperature. If the heat transferred by the water was -45 J, what is the heat transferred to the metal?

• -45 J

• +45 J

• we need to know the mass of the metal

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A 33.4 g piece of metal at 87.0^oC is dropped into 55.0 g of water at 22.3^oC. If the final temperature of the metal and water is 25.8^oC, what is the specific heat capacity of the metal?

• 0.39 J/g^oC

• 804 J/g^oC

• 8.88 J/g^oC

• 0.56 J/g^oC

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

If 100.0 g of water increases in temperature from 25.0^oC to 28.5^oC when a cylinder of metal with a specific heat capacity of 0.712 J/g^oC originally at 95.0^oC is dropped into it, what is the mass of the metal cylinder?

• 30.9 g

• 21.6 g

• 2054 g

• 176 g

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-4