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When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100 g of water, the temperature rose from 23.9...Asked by Jamie
When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100 g of water, the temperature rose from 23.9 C to 32.0 C. Calculate delta H (in kJ/mol) of for the solution process:
NaOH (s) -> Na+(aq) + OH-(aq)
Use a calorimeter heat capacity of Ccal = 15.8 J/degrees C.
A 50 mL sample of a 1.00 M solution of CuSO4 is mised with 50 mL of 2.00 M KOH in a calorimeter. The temperature of both solutions was 20.2 C before mixing and 26.3C after mixing. The heat capacity of the calorimeter is 12.1 J/K. From this data, calculate the delta H for the process:
CuSO4(1 M) + 2KOH(2 M) - Cu(OH)2(s) + K2SO4(0.5 M)
NaOH (s) -> Na+(aq) + OH-(aq)
Use a calorimeter heat capacity of Ccal = 15.8 J/degrees C.
A 50 mL sample of a 1.00 M solution of CuSO4 is mised with 50 mL of 2.00 M KOH in a calorimeter. The temperature of both solutions was 20.2 C before mixing and 26.3C after mixing. The heat capacity of the calorimeter is 12.1 J/K. From this data, calculate the delta H for the process:
CuSO4(1 M) + 2KOH(2 M) - Cu(OH)2(s) + K2SO4(0.5 M)
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