The decomposition of potassium chlorate is written as shown below.What energy change occurs when 12.3 g of KClO3 decompose?
2 KClO3(s) + 89.6 kJ → 2 KCl(s) + 3 O2(g)
A) Release of 8.99 kJ
B) Absorption of 8.99 kJ
C) Release of 4.49 kJ
D) Absorption of 4.49 kJ
E) Release of 0.00112 kJ
Correct Answer:
Verified
Q32: Convert 357 J to kcal.
A)1.49 kcal
B)1.49 ×
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