2008%20%282-6%29%201220-E1

2008%20%282-6%29%201220-E1 - CHEMISERY 1220 FIRST EXAM Show...

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CHEMISERY 1220 FIRST EXAM Show All Work ! 6 February 2008 Name ______________________________ Instructions : Do not separate pages. Do not share calculators, pens, etc. with other students. Use only your own desk, and do not write on envelopes. Answers given without the work being clearly presented will receive no credit. Turn in your separated exam and envelope to your T.A. By signing below, I agree not to use any programmable calculator, cell phone, listening or communication devices during this exam. Signed: ______________________________ Printed: ______________________________ (6) Note : This exam has 6 pages. Section # _______________ Seat # _______________ (5) 1. Using a Pd on ceria catalyst, the water gas shift reaction (CO + H 2 O CO 2 + H 2 ) can have an energy of activation for the forward reaction of 38. kJ/mole, and 79. for the reverse reaction. For this reaction, the enthalpy of reaction is: ( a ) 117. kJ/mole ( b ) –117. kJ/mole ( c ) 41. kJ/mole ( d ) –41. kJ/mole ( e ) None of the above. ( f ) Indeterminate. (5) 2. For the gas phase reaction NO + SO 3 NO 2 + SO 2 , which of the following will lead to a change in Q, prior to any conversion between reactants and products? ( a ) Adding NO to the system. ( b ) Increasing the temperature. ( c
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2008%20%282-6%29%201220-E1 - CHEMISERY 1220 FIRST EXAM Show...

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