Suppose a pair of chemical compounds A andB can react in two different ways: A+BC Reaction 1 gives product C. A+BD Reaction 2 gives product D. The following facts are known about the two reactions: • Reaction 1 is endothermic and Reaction 2 is exothermic. • If a reaction vessel is charged ("filled") with A and B, then at first Cis produced faster than D. Use these facts to sketch a qualitative reaction energy diagram for both reactions. Note: because these sketches are only qualitative, the energies don't have to be exact. They only have to have the right relationship to each other. For example, If one energy is less than another, that fact should be clear in your sketch. Reaction 2 Reaction 1 energy energy reaction coordinate

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Suppose a pair of chemical compounds A andB can react in two different ways:
A+BC
Reaction 1 gives product C.
A+BD
Reaction 2 gives product D.
The following facts are known about the two reactions:
• Reaction 1 is endothermic and Reaction 2 is exothermic.
• If a reaction vessel is charged (illed") with A and B, then at first Cis produced faster than D.
Use these facts to sketch a qualitative reaction energy diagram for both reactions.
Note: because these sketches are only qualitative, the energies don't have to be exact. They only have to have the right relationship to each other. For example,
if one energy is less than another, that fact should be clear in your sketch.
Reaction 1
Reaction 2
energy
energy
reaction coordinate
reaction coordinate
Transcribed Image Text:Suppose a pair of chemical compounds A andB can react in two different ways: A+BC Reaction 1 gives product C. A+BD Reaction 2 gives product D. The following facts are known about the two reactions: • Reaction 1 is endothermic and Reaction 2 is exothermic. • If a reaction vessel is charged (illed") with A and B, then at first Cis produced faster than D. Use these facts to sketch a qualitative reaction energy diagram for both reactions. Note: because these sketches are only qualitative, the energies don't have to be exact. They only have to have the right relationship to each other. For example, if one energy is less than another, that fact should be clear in your sketch. Reaction 1 Reaction 2 energy energy reaction coordinate reaction coordinate
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