2013-2014 Review HW For Energy And Dimensional Analysis Test

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Answer the following showing all work and/or in a clear and concise manner.


1. What is the difference between temperature and heat?




2. What is the definition of activation energy (Eac)?




3. Potential energy of the reactant (PEr) is _________ compared to the potential energy of the product (PEp).in an exothermic rxn.

4. ___________________ is a substance that is currently a gas but at room temperature is a liquid.


5. State the 2nd law of thermo and then explain via the Kinetic Molecular Theory (KMT).







6. Absolute zero is the condition where __________________________. The condition of absolute zero is _________________ and _________________.


7. Entropy is the measurement of _______________________________


8. If a system (for example water) has a delta H that is "-", the system (i.e. water) would be releasing or absorbing energy/heat? Circle correct answer.



9. What does not change through a phase change ______________________?


10. What are the two units of energy that you know and what is the conversion factor between them.







11. Explain the difference between a Relative temperature scale (i.e. Celsius) and Absolute temperature scale (i.e. Fahrenheit).













12. SpongeBob SquarePants wanted to go on a diet and he lost 4.2E3 mL/hr of water. If he was on the diet for 2.56 days, how many gallons of water did he lose? (1 gal = 3.785 L ).










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Edited September 27, 2013 11:47 am (diff)
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