1.1 g of CaCI2 dissolved in 50 cm3 of water caused a rise in temperature
CHEMISTRY
JAMB 1991
1.1 g of CaCI2 dissolved in 50 cm3 of water caused a rise in temperature of3.4°C. The heat of reaction, ∆H for CaCI2 in kj per mole is? (Ca = 40, CI = 35.5, specific heat of water is 4.18 jk-1
- A. -71.1
- B. -4.18
- C. +71.1
- D. +111.0
Correct Answer: A. -71.1
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