Hydrogen gas is a non-polluting fuel.Hydrogen gas may be prepared by electrolysis of water.2 H2O(
) 2 H2(g) + O2(g)
Predict the signs of rH and rS for the production of hydrogen gas by electrolysis of water.
A) ( rH) > 0 and rS > 0
B) ( rH) < 0 and rS > 0
C) ( rH) > 0 and rS < 0
D) ( rH) < 0 and rS < 0
E) ( rH) = 0 and rS < 0
Correct Answer:
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