Multiple Choice
Calculate the change in enthalpy when 52.0 g of solid chromium at 25°C and 1 atm pressure is oxidized.(ΔH°f for Cr2O3(s) is -1135 kJ/mol.)
4Cr(s) + 3O2(g) → 2Cr2O3(s)
A) -1135 kJ
B) -284 kJ
C) -568 kJ
D) +1135 kJ
E) +568 kJ
Correct Answer:
Verified
Correct Answer:
Verified
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