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____ 5. When 22.5 grams of hydrogen sulfide(g) react with excess oxygen(g) accor

ID: 773614 • Letter: #

Question

____ 5. When 22.5 grams of hydrogen sulfide(g) react with excess oxygen(g) according to the following reaction:

2H2S(g) + 3O2(g) 2H2O(g) + 2SO2(g) DH = -1.04E+3 kJ

Which of the following is true?

a.

343 kJ of energy are released

b.

343 kJ of energy is absorbed

c.

686 kJ of energy are released

d.

686 kJ of energy is absorbed

e.

1373 kJ of energy are released

a.

343 kJ of energy are released

b.

343 kJ of energy is absorbed

c.

686 kJ of energy are released

d.

686 kJ of energy is absorbed

e.

1373 kJ of energy are released

Explanation / Answer

2 H2S(g) + 3 O2(g) ---> 2 SO2(g) + 2 H2O(g)

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