Heat Calculations for Temperature Change

How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22.0°C to 55.0°C, if the specific heat of aluminum is 0.903 J/g°C?

• 298 Joules

• 0.003 Joules

• 297 J/g°C

• 0.003 J/g°C

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

The specific heat of aluminum is 0.9025 J/g°C. How much heat(Q) is released when a 10.0 g piece of aluminum foil is taken out of the oven and cools from 100.0° to 50.0°?

• -451 J

• 45.1 J

• 400 J

• 451 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

You have 20.0 g of water. Water's specific heat is 4.184 J/g°C. The temperature changes from 25.0° C to 20.0° C. How much heat energy (Q) moves from the water to the surroundings?

• -418 J

• 209 J

• -209 J

• 4.18 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

Which of the following is NOT true about heat? 

• Heat moves from hot to cold
• Heat is a form of energy
• Heat cannot be transferred
• Heat makes molecules speed up 

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-2

___________ is measured by the unit Joules.

• Heat/Thermal Energy

• Temperature
• Specific heat

Tags

NGSS.HS-PS3-4

What  is the formula to calculate heat energy required to raise the temperature of any substance?

• Q=mc∆t
• Q=mc
• Q= ½mv
• m=QC

Heat energy moves from __________ things to _________ things.

• warm / cold
• cold / warm
• liquid / solid

Tags

NGSS.HS-PS3-4

The amount of energy required to raise the temperature 1ºC for every gram is called____?

• Thermal Energy
• Specific Heat
• Temperature
• Kinetic Energy