3. When 1.38 g of liquid PCl; at 25.55 "C is added to 1.00 x 10g of water at 25.55 "C in a 'coffee-cup' calorimeter, the temperature of the resulting solution increases to 32.00 "C. If the specific heat capacity of the solution is 4.184 J/"Cg, and the heat capacity of the Styrofoam cup is negligible, calculate the molar heat of solution of PC13 in water.

3. When 1.38 g of liquid PCl; at 25.55 "C is added to 1.00 x 10g of water at 25.55 "C in a 'coffee-cup' calorimeter, the temperature of the resulting solution increases to 32.00 "C. If the specific heat capacity of the solution is 4.184 J/"Cg, and the heat capacity of the Styrofoam cup is negligible, calculate the molar heat of solution of PC13 in water.

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.50PAE: 9.50 When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL of water in a coffee cup calorimeter, the...

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