latent heat

Calculate the energy absorbed by 30 g of 100 ⁰C water that is turned into 100 ⁰C.

• 67 800 J

• 6 7800 J

• 678 J

• 67.8 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How much heat energy is needed to raise the temperature of 2kg of water from 5 °C to 100 °C? The specific heat capacity of water is 4200 J/kg °C.

• 42000 J
• 840000 J
• 798000 J

How much energy is required to heat up 12kg of copper from 10 °C to 120 °C. The specific heat capacity is 390 J/kg °C.

• 46800 J
• 561600 J
• 514800 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When water is heated from 10°C to 15°C What is the change in temperature?

• 10 °C
• 5 °C
• 15 °C
• 25 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a  piece of aluminum foil is taken out of the oven and cools from 100°C to 50°C.
What is the change in temperature?

• 50°C
• 0°C
• 100°C
• 150°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a baked potato at 10 °C is heated to 180 °C in the oven its temperature change is

• 170 °C
• 10 °C
• 180 °C
• 190 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up.
Which one heats up the fastest.

• 1 kg
• 10 kg
• They both heat up at the same speed
• They don't heat up.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?

• 100 mL
• 1000 mL
• They both heat up at the same speed
• They cool down.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• Thermal Energy
• Specific Heat capacity
• Temperature
• Kinetic Energy

How much heat energy is needed to raise the temperature of 2kg of water from 5 °C to 100 °C? The specific heat capacity of water is 4200 J/kg °C.

• 42000 J
• 840000 J
• 798000 J