Question 40 • Chemistry
Use q = mcₚΔT for the calorimeter. Convert its mass to grams: 1.350 kg = 1350 g. Then q = (1350 g)(5.82 J/(g·°C))(2.87 °C) = 22,550 J, or about 22.5 kJ. Thus, the reaction releases 22.5 kJ of energy, choice D.
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