Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When 10.0 g of NaCl are added in 200.0 mL of water at 25.0°C in a coffee-cup calorimeter, 669 J of heat are absorbed. (Assume that there is no change in volume, d=1.00 g/mL,, specific heat=4.18 J/g.ºC) a) Is the solution process exothermic? b) What is qH20 ? c) What is the final temperature of the solution?

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Q: how much heat is released when 51.1 g of copper cools to 75.0°C from 58.9°C given the specific heat…

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A: Given,  specific heat = 0.450 J/g.oC heat = 801 J , mass = ? , ∆T= 120°C - 22.5°C = 97.5°C

Q: a 15.0 g lead ball at 25.0 was heated with 40.5 joules of heat. Given the specific heat of lead is…

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Q: A 534.2 g sample of water is subjected to a temperature change of -67.86 °C. The specific heat…

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Q: 1. The temperature of 13.5g of water increased from 15.0°C to 37.0°C. How much heat was absorbed by…

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Q: A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat. Given the specific heat of lead…

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Q: what is the mass in grams of iron

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Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g °C) that…

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