a scientist is planner her calorimetry and wants t A scientist is planning her c

Question

a scientist is planner her calorimetry and wants t A scientist is planning her calorimeter experiment and wants to make sure that the calorimeter can withstand the heat released by the reaction. She contacts the company and is told that it can withstand temperatures up to 600 K. They also tell her the heat capacity of the calorimeter is 300 J/degree C. The reaction she wants to measure has a Delta H_rxn of -55500 kJ/mol product formed. She is planning on forming 0.050 mol of product. The temperature in her lab is 25 degree C. Her calorimeter holds 100.0 mL water. Will her experiment damage the calorimeter? Assume constant pressure.

Explanation / Answer

12. The given scientist planned experiment using calorimeter technique,

The heat released by the experiment planned

= 5550 x 0.5 + 0.3

= 277.5 kJ

With 100 ml water capacity the scientist would be below the temperature limit of 600 K and so would not damage the calorimeter.

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