How Much Heat Is Liberated at Constant Pressure If 0

question 31

Multiple Choice

How much heat is liberated at constant pressure if 0.833 g of calcium carbonate reacts with 59.7 mL of 0.251 M hydrochloric acid?
CaCO₃(s) + 2HCl(aq) → CaCl₂(aq) + H₂O(l) + CO₂(g) ; ΔH° = -15.2 kJ

• A)0.113 kJ
• B)0.24 kJ
• C)12.6 kJ
• D)0.126 kJ
• E)3.81 kJ

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