thermo review

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Exothermic reactions...

• Absorb energy
• Release energy
• Release Color
• Absorb Color

In an endothermic reaction, heat is ...

• taken in or absorbed
• given out or released 

Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?

• It is an exothermic reaction
• It is an endothermic reaction
• It is made of ice
• It is dissolving your mouth

If they energy required to break the bonds is greater than the energy given out by making new bonds the reaction is

• Exothermic
• Endothermic
• Neutralisation

• endothermic

• exothermic

• endothermic reaction

• exothermic reaction

_____ reactions usually feel hot!

• endothermic

• exothermic

____ reactions usually feel cold.

• endothermic

• exothermic

If they energy required to break the bonds is less than the energy given out by making new bonds the reaction is

• Exothermic
• Endothermic
• Neutralisation