Q = Mc∆T

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is absorbed when a 10 g piece of platinum warms from 100°C to 150°C?

• 66.5 J

• 665 J

• 0.0266 J

• 0.665 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

If 20 g of water undergoes a temperature change from 25° C to 30° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 J

• 209 J

• 83 J

• 4.18 J

Tags

NGSS.HS-PS3-4

The SI units J/g°C measures

• Specific heat

• mass

• temperature

• heat energy

What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams of copper?

• 12.82 °C

• 24.12°C

• 1.95 °C

• 5128 °C

Tags

NGSS.HS-PS3-4

How much heat(Q) is released when a 10 g piece of lead cools from 100°C to 35°C?

• 66.5 J

• 665 J

• -83.85 J

• 0.665 J

Tags

NGSS.HS-PS3-4

Which substance would heat up the fastest?

• aluminum

• water

• copper

• gold

Tags

NGSS.HS-PS3-4

Which substance would require the most heat intake to increase its temperature by the same amount as the other samples listed?

• aluminum

• water

• copper

• gold

___________ is measured by the unit Joules.

• Heat 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

Calculate the energy transferred when raising the temperature of 16000g of water by 3˚C

• 785 J

• 126000J

• 22000J

• 200640 J

Tags

NGSS.HS-PS3-4