Sodium chloride is added in cooking to enhance the flavor of food. When 10.0 g of Na Cl are dissolved in 200.0 ml of water at 25 °C in a coffee-cup calorimeter, 669 J of heat are absorbed. ( Density of water=1.0 g/mL) A) Is the solution process exothermic? B) What is 9H20? C) What is the final temperature of the solution?

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Chapter6: Thermochemisty
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Problem 6.111QP: In a calorimetric experiment, 6.48 g of lithium hydroxide, LiOH, was dissolved in water. The...
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Sodium chloride is added in cooking to enhance the flavor of food. When 10.0 g of Na Cl are dissolved in 200.0 ml
of
water at 25 °C in a coffee-cup calorimeter, 669 J of heat are absorbed. ( Density of water=1.0 g/mL)
A) Is the solution process exothermic?
B) What is 9H20?
C) What is the final temperature of the solution?
Transcribed Image Text:Sodium chloride is added in cooking to enhance the flavor of food. When 10.0 g of Na Cl are dissolved in 200.0 ml of water at 25 °C in a coffee-cup calorimeter, 669 J of heat are absorbed. ( Density of water=1.0 g/mL) A) Is the solution process exothermic? B) What is 9H20? C) What is the final temperature of the solution?
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