Thermochemistry Review (2023)

In an exothermic process the surrounding looses heat. 

• True
• False

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

In an endothermic reaction the system is releasing energy.

• True
• False

Tags

NGSS.HS-PS1-4

Is the combustion of gasoline endothermic or exothermic?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Do reactants in an endothermic reaction have a higher or lower energy than the products? 

• Higher
• Lower

Tags

NGSS.HS-PS1-4

Do the reactants in an exothermic reaction have a higher or lower energy than the products?

• Higher
• Lower

Tags

NGSS.HS-PS1-4

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

• Warm

• Cold

• Bubbly

• Damp

Tags

NGSS.HS-PS3-4

What kind of graph is this?

• endothermic
• exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Which of the letters (A-D) represents activation energy?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

Which of the letters (A-D) represents the potential energy of the reactants?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

Which of the letters (A-D) represents the potential energy of the products?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4