Endothermic and Exothermic Reactions

In an endothermic reaction, heat is _________.

• absorbed

• released

Tags

NGSS.HS-PS1-4

In an exothermic reaction, heat is ____________.

• absorbed

• released

Tags

NGSS.HS-PS1-4

Is photosynthesis an exothermic or endothermic reaction?

• Endothermic
• Exothermic
• Neither

Tags

NGSS.HS-PS1-4

NGSS.HS-LS1-5

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

• Endothermic processes
• Exothermic processess
• None of these 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

ΔH value in an endothermic reaction is a positive number.

• True
• False

Tags

NGSS.HS-PS1-4

What type of reaction is this?

• Exothermic

• Endothermic

Tags

NGSS.HS-PS1-4

What kind of equation is this: 2KI + MgCl₂ + 200KJ ----> 2KCl + MgI₂

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

A school bus burns gasoline while delivering students to school.

• exothermic

• endothermic

Tags

NGSS.HS-PS1-4

Is this diagram endothermic or exothermic

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

This diagram is exothermic. Why?

• Products are always at a lower energy compared to the reactants

• Products are always at a higher energy compared to the reactants

• Reactants are always the same as the products

Tags

NGSS.HS-PS1-4