Exothermic and Endothermic

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

• Stay the same

• Increase

• Decrease

Tags

NGSS.HS-PS1-4

What type of reaction is shown in the photo?

• Exothermic

• Isothermic

• Endothermic

• None of the  above

Tags

NGSS.HS-PS1-4

What type of reaction occurs in a hand warmer?

• exothermic

• endothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

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

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

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?

• It is an exothermic reaction

• It is an endothermic reaction

Tags

NGSS.HS-PS1-4

When heat is released it is an

• exothermic reaction

• endothermic reaction

• both

• none

Tags

NGSS.HS-PS1-4

A melting ice cube is an example of

• exothermic

• endothermic

• none

• both

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of these processes is always exothermic?

• evaporation

• burning

• insulation

• melting

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 

• Warm

• Cold

Tags

NGSS.MS-PS1-4

Baking bread and cooking an egg are examples of....?

• Endothermic processes

• Exothermic processess

• None of these 

Tags

NGSS.HS-PS1-4