Potential Energy Diagrams Quiz

The potential energy diagram is for an ______________ reaction

Tags

NGSS.HS-PS1-4

Label the potential energy diagram.

a

b

c

Ea reverse

Ea

ΔH

Tags

NGSS.HS-PS1-4

Match the value with its corresponding label.

• 100 kJ

• Potential Energy of the reactants.

• 50 kJ

• Potential Energy of the products.

• 30 kJ

• Enthalpy

• +50 kJ

• Activation Energy for the forward reaction.

• 80 kJ

• Activation Energy for the reverse reaction.

The reaction is

• endothermic

• exothermic

• neither endothermic or exothermic

Tags

NGSS.HS-PS1-4

Which species forms at the activated complex?

• X₂ + Y₂

• X₂Y₂

• 2XY

Tags

NGSS.HS-PS1-4

Which species has the highest potential energy?

• X₂ + Y₂

• 2XY

Tags

NGSS.HS-PS1-4

In the reaction represented by the potential energy diagram, energy is​ (a)   . The reaction is​ (b)   and will have a​ (c)   enthalpy.

• absorbed
• endothermic
• positive
• released
• negative
• exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1