Multiple Choice
How much heat is released when 29.5 grams of Cl2 (g) reacts with excess hydrogen?
H2 (g) + Cl2 (g) → 2HCl (g) ΔH° = -186 kJ.
A) 186 kJ
B) 310 kJ
C) -77.4 kJ
D) -186 kJ
E) 77.4 kJ
Correct Answer:
Verified
Correct Answer:
Verified
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