Thermochemistry

What letter represents the energy of the products?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

What type of reaction is this?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

What letter represents the activation energy?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

Is this reaction endothermic or exothermic?

• endothermic 
• exothermic

Tags

NGSS.HS-PS1-4

What is the ΔH of this reaction?

• 40 kJ

• 20 kJ

• 80 kJ

• -60 kJ

Tags

NGSS.HS-PS1-4

What is the energy of the activated complex?

• 75 kJ
• 225 kJ
• 300 kJ
• 225 kJ

Tags

NGSS.HS-PS1-4

What letter represents ΔH?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

What is the sign of ΔH for all endothermic reactions?

• Positive
• Negative

Tags

NGSS.HS-PS1-4

What is the activation energy?

• 40 kJ
• 20 kJ
• 100 kJ
• 60 kJ

Tags

NGSS.HS-PS1-4

What is the change of the heat of the reaction (ΔH)?

• -40 kJ

• -20 kJ

• 100 kJ

• 60 kJ

Tags

NGSS.HS-PS1-4