Unit 5: Thermochemistry Review

In an exothermic reaction, heat is ...

• taken in
• given out

Tags

NGSS.HS-PS1-4

_____ reactions usually feel hot!

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

____ reactions usually feel cold.

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

Endo means in or _______.

• absorbed

• released

Tags

NGSS.HS-PS1-4

Exo means out or ________.

• absorbed

• released

Tags

NGSS.HS-PS1-4

The initial temperature was measured to be 20^oC and the final temperature was 45^oC. The reaction was

• exothermic

• endothermic

Tags

NGSS.HS-PS3-4

The initial temperature was measured to be 20^oC and the final temperature was 10^oC. The reaction was

• exothermic

• endothermic

Surrounding temperature gets cold

• Endothermic
• Exothermic

Tags

NGSS.HS-PS3-4

Surrounding temperature gets warmer

• endothermic
• exothermic

Tags

NGSS.HS-PS1-5

HCl reacts with Zn giving off heat

• endothermic
• exothermic

Tags

NGSS.HS-PS1-4