Two solutions, initially at 24.60°C, are mixed in a coffee cup calorimeter. When a 200.0 mL volume of 0.100 M ÅGNO 3 solution is mixed with a 100.0 mL sample of 0.200 M NaCl solution, the temperature in the calorimeter rises to 29.30°C. Determine the AH° rxn . Assume that the density and heat capacity of the solutions is the same as that of water. NacI( aq) + AgNO 3( aq) → AgCl(s) + NaNO 3( aq) AH° rxn = ? %3D -362 J -7526 kJ -374 kJ -758 kJ -5894 J

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