Exothermic and Endothermic Reactions

In an endothermic reaction the system is releasing energy.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

After endothermic and exothermic reactions matter _________________.

• stays the same.

• is destroyed.

• is created.

• is denser.

Tags

NGSS.MS-PS1-5

The graph above is from which type of reaction?

• Endothermic reaction

• Exothermic reaction

Tags

NGSS.HS-PS1-4

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

• endothermic

• exothermic

• catalytic

• inhibited

Tags

NGSS.MS-PS1-4

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

• Stay the same

• Increase

• Decrease

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The illustration shows cell respiration. Is the overall reaction of cell respiration an Endothermic or an Exothermic reaction?

• Endothermic

• Exothermic

Tags

NGSS.MS-PS3-5

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

• The temperature did not change.

• It is an endothermic reaction

• It is an exothermic reaction

• Energy is released from the reaction into the surrounding.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What type of reaction occurs in a hand warmer?

• exothermic

• endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

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

Baking bread and cooking an egg require an input of heat. These would be examples of....?

• Endothermic processes

• Exothermic processess

• None of these

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5