Energy Changes and Chemical Reactions

Carbon+Oxygen

• exothermic reaction

• hydrocarbon

• endothermic reaction

• transition metal

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Breaking chemical bonds takes in energy from the surroundings. This is an example of?

• endothermic

• making

• exothermic

• breaking

Tags

NGSS.HS-PS1-4

Making chemical bonds gives out energy to the surroundings. This is an example of?

• endothermic

• exothermic

• energy level diagram

• combustion

Tags

NGSS.HS-PS1-4

Way to show overall change in energy?

• table

• line graph

• pie chart

• energy level diagram

Tags

NGSS.HS-PS3-1

In exothermic reaction the heat is

• taken in

• given out

Tags

NGSS.HS-PS1-4

In endothermic reaction the heat is

• given out

• taken in

Tags

NGSS.HS-PS1-4

If the reaction is EXOTHERMIC, what will happen to the temperature?

• no change

• increase

• decrease

Tags

NGSS.HS-PS1-4

If the reaction is ENDOTHERMIC, then what will happen to the temperature?

• decrease

• increase

• stays the same

Tags

NGSS.HS-PS1-4

Cooking an egg is example of?

• endothermic reaction

• exothermic reaction

• covalent bond

• none of these

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

NGSS.HS-PS3-4

The products of combustion are

• CO2 and H2O

• CO2

• O2 and H2O

• O2