Thermochemistry Review

Which law states that energy cannot be created nor destroyed, but it can be transformed or transferred?

• Dalton's Law

• law of conservation of energy

• Hess's Law

• E=mc^2

Tags

NGSS.HS-PS3-3

What happens when kinetic energy increases?

• Temperature increases.

• Temperature decreases.

• Temperature is not affected by kinetic energy.

Tags

NGSS.HS-PS3-4

A liquid has _________ temperature than a solid.

• Higher

• Lower

Tags

NGSS.HS-PS3-4

A gas has ________ kinetic energy than a liquid.

• more

• less

Tags

NGSS.HS-PS3-2

A gas has ________ kinetic energy than a liquid.

• more

• less

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

• 309.6 J

• -309.6 J

• 465 J

• -465 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

• -3.48 J

• 3.48 J

• 1704 J

• -1704 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

When water evaporates, the process is...

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

When wood is burned in a campfire, the process is...

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

For an exothermic reaction, "q" is...

• negative

• positive

Tags

NGSS.HS-PS1-4