Cdr Endo

In an endothermic reaction, energy is _________.

• absorbed

• released

Tags

NGSS.HS-PS1-4

____ reactions usually feel cold.

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

What instrument would you use to detect an endothermic or exothermic reaction?

• triple beam balance

• ruler

• thermometer

Tags

NGSS.HS-PS3-4

When a candle is lit hydrocarbons are combusting. An exothermic reaction is occuring. Energy is being _________________ .

• absorbed

• frozen

• destroyed

• released

Tags

NGSS.HS-PS1-4

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

Tags

NGSS.HS-PS1-4

HCl reacts with Zn giving off heat

• endothermic
• exothermic

Tags

NGSS.HS-PS1-4

Surrounding temperature gets warmer

• endothermic
• exothermic

Tags

NGSS.HS-PS1-5

Surrounding temperature gets cold

• Endothermic
• Exothermic

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-PS1-5

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

Tags

NGSS.HS-PS3-4