1.55 g potassium nitrate is added to a calorimeter containing 100.0 mL. water at 22.50 oC. The temperature is changed to 18.00 oC. Calculate the heat of dissolution in kJ / mole of potassium nitrate. K = 39.10 g/mole, N = 14.00 g/mol, O = 16.00 g/mole. Hint: This is a diluted solution: D= 1.00 g/mL., CP = 4.184 J/ g o
1.55 g potassium nitrate is added to a calorimeter containing 100.0 mL. water at 22.50 oC. The temperature is changed to 18.00 oC. Calculate the heat of dissolution in kJ / mole of potassium nitrate. K = 39.10 g/mole, N = 14.00 g/mol, O = 16.00 g/mole. Hint: This is a diluted solution: D= 1.00 g/mL., CP = 4.184 J/ g o
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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1.55 g potassium nitrate is added to a calorimeter containing 100.0 mL. water at 22.50 oC. The temperature is changed to 18.00 oC. Calculate the heat of dissolution in kJ / mole of potassium nitrate.
K = 39.10 g/mole, N = 14.00 g/mol, O = 16.00 g/mole.
Hint: This is a diluted solution: D= 1.00 g/mL., CP = 4.184 J/ g oC. heat capacity of calorimeter is 51.7 J / oC.
N = 14.00 g/mole, K = 39.10 g/mole, O = 16.00 g/mole
a. 140. kJ/mole
b. -140. kJ/mole
c. 24.3 kJ/ mole
d.-176 kJ/mole
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