Heat, Temperature, and Enthalpy

What is the total amount of kinetic energy in a substance?

• Its heat

• Its temperature

• Its mood

• Its pet

Tags

NGSS.HS-PS3-2

What is the average amount of kinetic energy in a substance?

• Its heat

• Its temperature

• Its mood

• Its pet

Tags

NGSS.HS-PS3-2

A giant iceberg has ________________ than a boiling pot of water.

• more heat energy

• a greater temperature

Tags

NGSS.MS-PS3-4

A giant iceberg has ________________ than a boiling pot of water.

• less heat energy

• a lower temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What will happen when a very hot steel rod is placed in a large bucket of ice water?

• Heat will move out of the rod and the temperature of the rod will increase.

• Heat will move out of the rod and the temperature of the rod will decrease.

• Heat will move into the rod and the temperature of the rod will increase.

• Heat will move into the rod and the temperature of the rod will decrease.

Tags

NGSS.HS-PS3-4

Which has the most heat energy?

• ice water

• liquid water

• gaseous water

• It depends on how big the sample is

Tags

NGSS.HS-PS3-4

What will happen when 1 g of ice melts (system)?

• energy flows out of the system into the surroundings

• energy flows from the surroundings into the system

Tags

NGSS.HS-PS3-4

Which statement is more thermochemically correct statement?

• Ice cubes will cool your lemonade down.

• Lemonade will warm up the ice cubes in it.

Tags

NGSS.HS-PS3-4

A 1 g piece of steel (c = 0.500) and a 1 g sample of water (c=4.184) are subjected to 10,000 J of energy from the sun. Which will heat up more?

• The steel

• The water

• It's impossible to tell

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A 1 g piece of steel (c = 0.500) and a 1 g sample of water (c=4.184) both drop in temperature from 50 degrees Celsius to 10 degrees Celsius. Which one releases more energy in the process?

• The steel

• The water

• It's impossible to tell

Tags

NGSS.HS-PS3-4