PracticeChap12_2 - 2 to 2O 3) Describe the following...

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1) Using the enthalpies of formation below calculate the enthalpies of the following reactions: C(graphite) + O 2    CO 2                          Δ H o f =-400 H 2  + ½ O 2    H 2 O                                   Δ H o f =-100 C(graphite) + 2H 2    CH 4                        Δ H o f =-100 C(graphite) + ½ O 2  + 2H  CH 3 OH     Δ H o f =-200 a) CH 4  + 2O 2    CO 2  + 2H 2 0 b) 2CH 3 OH + 3O 2    2CO 2  + 4H 2 0 c) On a per mole basis which would make a better fuel source CH 4  or CH 3 OH? 2)Which would have a higher kinetic energy: a)  1 kg ball dropped from 1m (assuming g=10) or a 1kg ball thrown at 2 m/s b)  The conversion of O 2  to H 2 0 or the conversion of O
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Unformatted text preview: 2 to 2O 3) Describe the following process in terms of kinetic and potential energy a )Sunlight hitting a solar panel b) Solar panel charging a battery c) A battery lighting a light bulb d) Sunlight hitting a tree e) A tree making sugar from photosynthesis f) A log in a campfire 4) Describe the following process in terms of energy flow: a) Using coal to boil water b) Using coal to turn a turbine at an electrical power plant c) Use the following process to describe how energy is a state function 5) Compare the C v and C p of the following gases, ideal gas, non-ideal N 2 , Non-ideal C 3 H 8 ....
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This note was uploaded on 11/19/2008 for the course CHEM 230 taught by Professor Sharp during the Fall '08 term at University of Michigan.

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PracticeChap12_2 - 2 to 2O 3) Describe the following...

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