Intro to thermal chemistry

In an exothermic reaction, heat is ...

• taken in
• given out

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is ,,,

• taken in
• given out

Tags

NGSS.HS-PS1-4

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

Evaporation is what kind of change?

• Endothermic
• Exothermic

Tags

NGSS.MS-PS1-4

Condensation and raining are examples of what?

• Exothermic
• Endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

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

• Exothermic
• Endothermic

Tags

NGSS.HS-PS1-4

Energy in exothermic reactions are

• released
• absorbed

Tags

NGSS.HS-PS1-4

Endothermic reactions feel

• warm
• cold

Tags

NGSS.HS-PS3-4

Do the reactants in an exothermic reaction have a higher or lower energy than the products?

• Higher
• Lower

If a temperature of a reaction increases from 30-35 degrees, explain what happens.

• The reaction is endothermic
• The reaction is exothermic
• The reaction is photosynthetic
• the reaction is endothermic and exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4