EPHS HONORS CHEM Energy and Chemical Change Exam 8 module 14

What does temperature measure?

• Heat
• ºC
• Kinetic Energy
• Thermal Energy

Tags

NGSS.HS-PS3-4

For an endothermic reaction, the heat is on the ____ side.

• reactant
• product
• either side

Ice cream melting is an example of an __________ process.

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

Melting ice is a (n)

• exothermic process

• endothermic process

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Freezing water is

• exothermic

• endothermic

Tags

NGSS.HS-PS3-4

What letter represents the activation energy?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

What letter represents the potential energy of the reactants?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

What letter represents the potential energy of the products?

• A
• B
• C
• D
• F

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

A protein bar contains 290 Calories. How many kilojoules is this?

1 Cal = 1000 cal

1000 cal = 1 kcal

4.184 J = 1 cal

1000 J = 1 kj

• 69 kJ

• 1210 kJ

• 69 000 kJ

• 290 000 kJ