Joshua M.

asked • 07/04/20

Thermochemistry Problem

When 125 mL of 0.220 M NaCl(aq) and 125 mL of 0.220 M AgNO3(aq), both at 21.6°C, are mixed in a coffee cup calorimeter, the temperature of the mixture increases to 24.3°C as solid AgCl forms.

NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)

This precipitation reaction produces 2.81  103 J of heat, assuming no heat is absorbed by the calorimeter, no heat is exchanged between the calorimeter and its surroundings, and that the specific heat and density of the solutions are the same as those for water (4.18 J/g·°C, and 0.997 g/mL, respectively). Using this data, calculate ΔH in kJ/mol of AgNO3(aq) for the given reaction.

Due to the online nature of my chemistry assignment, there is no textbook and the internet has not been very forthcoming. Any help is appreciated.

1 Expert Answer


Brian M. answered • 07/04/20

4.9 (23)

Tutor for General Chem & Organic Chem

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.