_____21. Given a potential energy diagram, I can determine the PEreactant, PEproduct, H, and activation energy.
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Given the potential energy diagram below, determine the PEreactant, PEproduct, H, and the activation energy.
PEreactant = 40 kJ PEproduct = 15 kJ
H = -25kJ activation energy = 10 kJ
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_____22. Given a potential energy diagram for an uncatalyzed reaction diagram, I can how the diagram will change when a catalyst is been added.
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Draw a dotted line on the potential energy diagram shown below to indicate how it will change if a catalyst is added.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADYAAAAoCAYAAAC1mQk2AAAACXBIWXMAAA6jAAAO3gEw98siAAABFklEQVR4nO3ZUQvDIAwE4An+/7/sloeUbtjW6CU5YffWjkk/LnbCamvthUgp5Wuhz7oFsvBk6uoCZ5Bi5J7ezwJOw3qg32sFZuCmYKNtyOdZOBPsrqWrKM76YKsZgs2AemtEtvYIQzxQRmu3sIwRQuWxMeT4RI7jJQzdVvQ4dmGeP65RrR2wiCNRZGsV8SpnTM3ARIzj8iHYmqhxDIdJFOfZWgpM44lLg3mf/FMb89xvqTCNR2vpMK+RTIdJPEaSAqZBtkYDQ7dGA0OHDoYaRyoYchypYMj8YZFB7DM6GGqf0cE0q61RwhDnR0qY5IzTa8v3aWGSlf/ZqGGamdHcAiax4raBSSy4rWCSUdx2MMn5pdK7L3kDz1TunO2E7gEAAAAASUVORK5CYII=)
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_____23. I can rank the three phases of matter from least entropy to most entropy.
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Least entropy Most entropy
___solids__________<______liquids_________<______gases________
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_____24. I can state the trends in nature for entropy and energy.
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In nature most systems in nature tend to undergo reactions that have a(n)
_____increase__________ in entropy and a(n) ____decrease____________ in energy. As Mrs. S says, nature is like a teenager ---- lazy and messy!
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