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209s10a10s

# 209s10a10s - DCGN209-Spring10 Homework#10 p 1 of 3 I Study...

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DCGN209-Spring’10: Homework#10 p. 1 of 3 I. Study Questions & Problems (not to hand in) . For the following questions refer to the data tables at the end of this document. A. When the combustion reactions for exactly 1.000 mole of either methanol (CH 4 O) or ethanol (C 2 H 6 O) are balanced, what are the stoichiometric coefficients for O 2 ? CH 4 O + 3/2 O 2 C 2 H 6 O + 3 O 2 B. Exactly 1.000 mole of methanol is combusted at the standard state pressure and a constant temperature of 25.00 0 C. Verify the following values. mole eq kJ 724.83 U K mole eq J 80.95 S mole eq kJ 726.07 H 0 298 r 0 298 r 0 298 r = = = C. Exactly 1.000 mole of methanol is combusted at the standard state pressure and a constant temperature of 56.85 0 C. Verify the following values. K mole eq J 74.60 S mole eq kJ 724.08 H K mole eq J 62.50 C 0 330 r 0 330 r P r = = = D. Exactly 1.000 mole of ethanol is combusted at the standard state pressure and a constant temperature of 25.00 0 C. Verify the following values.

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