Endothermic and Exothermic Chemical Reactions

What type of reaction occurs in a hand warmer?

• exothermic

• endothermic

Tags

NGSS.MS-PS1-4

O_2\left(g\right)\ +\ 2\ H_2\ \left(g\right)\ \rightarrow\ 2\ H_2O\ \left(g\right)\ +\ Energy

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

____ reactions usually feel cold.

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The graph above is from which type of reaction?

• Endothermic reaction

• Exothermic reaction

Tags

NGSS.HS-PS1-4

What kind of reaction is this?

• Endothermic

• Exothermic

• Cannot be determined

Tags

NGSS.HS-PS1-4

When iron nails get rusty, heat is released.  What process is this?

• Exothermic

• Endothermic

Tags

NGSS.MS-PS1-4

In an endothermic reaction the system is releasing energy.

• True

• False

Tags

NGSS.MS-PS3-4

After endothermic and exothermic reactions matter _________________.

• stays the same.

• is destroyed.

• is created.

• is denser.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Solid --> liquid --> gas is what type of reaction?

• endothermic

• exothermic

• catalytic

• inhibited

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• triple beam balance

• ruler

• thermometer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4