The specific heat of platinum is 133 J kg^-1°C^-1. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?

• 66.5 J

• 665 J

• 0.0266 J

• 0.665 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

20 g of water. specific heat of water is 4200 J kg^-1°C^-1. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 J

• 430 J

• 420 J

• 42000 J

The SI units J kg^-1°C^-1 measures

• Specific heat capacity

• Heat capacity

• temperature

• heat energy

The specific heat(c) of copper is 390  $J\ kg^{-1}\degree C^{-1}$  . What is the temperature change when 100 J of heat  is applied on the 20 g of copper?

• 12 °C

• 24.12°C

• 1.95 °C

• 12.82 °C

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?

• Copper
• Carbon Steel
• Zinc
• Stainless Steel

Tags

NGSS.HS-PS3-4

_______________ states that the amount of heat energy is required to raise 1 kg of object's temperature of 1°C.

• Conduction

• Convection

• Specific heat capacity

• Heat capacity

The temperature of an unknown piece of metal with a mass of 30 g changes from 25 °C to 35 °C when the metal absorbs 350 J of energy. What is the specific heat capacity of the metal?

• 1166.7 J kg^-1°C^-1

• -1.17 J kg^-1°C^-1

• -1166.7 J kg^-1°C^-1

• -0.857 J kg^-1°C^-1

The symbol for heat capacity is .......

• c

• Q

• C

• t

Which material heats up slowest?

• Aluminium

• Concrete

• Diamond

• Glass

• Water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which material heats up quickest?

• Aluminium

• Concrete

• Diamond

• Glass

• Water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4