1.808g of a soluble salt is added to 50.4g of water in a calorimeter. The temperature...
1.808g of a soluble salt is added to 50.4g of water in a calorimeter. The temperature changes from 29.2 °C to 19.1 °C. Calculate the heat change q of the reservoir in joules. Assume the specific heat capacity of the reservoir to be 4.184J/g°C.
Hint: Answer includes no decimal places. Consider the sign of q.
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1.808g of a soluble salt is added to 50.4g of water in a
calorimeter. The temperature...
2.033g of a soluble salt is added to 51.6g of water in a calorimeter. The temperature...
2.033g of a soluble salt is added to 51.6g of water in a calorimeter. The temperature changes from 27.9 °C to 23.2 °C. Calculate the heat change q of the reservoir in joules. Assume the specific heat capacity of the reservoir to be 4.184J/g. Hint: Answer includes no decimal places. Consider the sign of q.
A calorimeter is to be calibrated: 69.96 g of water at 44.4oC added to a calorimeter...
A calorimeter is to be calibrated: 69.96 g of water at 44.4oC added to a calorimeter containing 65.79 g of water at 21.7oC. After stirring and waiting for the system to equilibrate, the final temperature reached 31.9oC. a. Calculate the change in heat of the warmer water in Joules. Report your answer to three significant figures. Since heat is lost, make sure the sign of your answer is negative. b. Calculate the amount of energy gained by the cold water...
A chemical reaction causes the temperature of the reservoir of a calorimeter containing 101.7 g of...
A chemical reaction causes the temperature of the reservoir of a calorimeter containing 101.7 g of a dilute aqueous solution to rise from 22.6 °C to 27.7 °C. Calculate the heat q in joules transferred to the reservoir. Assume the specific heat capacity of the reservoir to be 4.18 J/g°C.
5. Calculate the approximate final temperature of water in a coffee cup calorimeter if 33.9K heat...
5. Calculate the approximate final temperature of water in a coffee cup calorimeter if 33.9K heat is added to 420.0 g of water initially at a temperature of 22.60 °C (the specific heat water is 4.184 J/g.K). 6. Determine the mass of a sample of water in a coffee cup calorimeter if the final temperature is 65.7 °C, the initial temperature is 22.3 °C, and 27.6 kJ of heat is added to the water specific heat of water is 4.184J/g•K).
< Question 9 of 10 ) A coffee cup calorimeter contains 161.10 g of water at...
< Question 9 of 10 ) A coffee cup calorimeter contains 161.10 g of water at 24.05 °C. A 68.454 g piece of iron is heated to 95.44 °C. The piece of iron is added to the coffee cup caloriemter and the contents reach thermal equilibrium at 26.95 °C. The specific heat capacity of iron is 0.449 and the specific heat capacity of water is 4.184 How much heat, q, is lost by the piece of iron? Giron How much...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 5.451 g is quickly added. The salt has a molar mass of 124.742 g/mol. The final temperature of the solution is 73.937 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 7.253 g is quickly added. The salt has a molar mass of 149.325 g/mol. The final temperature of the solution is 7.532 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 5.398 g is quickly added. The salt has a molar mass of 497.886 g/mol. The final temperature of the solution is 8.675 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
The salt cesium chloride is soluble in water. When 11.9 g CsCl is dissolved in 117.00...
The salt cesium chloride is soluble in water. When 11.9 g CsCl is dissolved in 117.00 g water, the temperature of the solution decreases from 25.00 °C to 22.56 °C. Based on this observation, calculate the dissolution enthalpy, ΔdissH, of CsCl. Assume that the specific heat capacity of the solution is 4.184 J g-1 °C-1 and that the energy transfer to the calorimeter is negligible. ΔdissH = kJ/mol
The salt copper(II) sulfate is soluble in water. When 2.19 g CuSO4 is dissolved in 102.00...
The salt copper(II) sulfate is soluble in water. When 2.19 g CuSO4 is dissolved in 102.00 g water, the temperature of the solution increases from 25.00 °C to 27.28 °C. Based on this observation, calculate the dissolution enthalpy, ΔdissH, of CuSO4. Assume that the specific heat capacity of the solution is 4.184 J g-1 °C-1 and that the energy transfer to the calorimeter is negligible.
5. Calculate the approximate final temperature of water in a coffee cup calorimeter if 33.9K heat is added to 420.0 g of water initially at a temperature of 22.60 °C (the specific heat water is 4.184 J/g.K). 6. Determine the mass of a sample of water in a coffee cup calorimeter if the final temperature is 65.7 °C, the initial temperature is 22.3 °C, and 27.6 kJ of heat is added to the water specific heat of water is 4.184J/g•K).
< Question 9 of 10 ) A coffee cup calorimeter contains 161.10 g of water at 24.05 °C. A 68.454 g piece of iron is heated to 95.44 °C. The piece of iron is added to the coffee cup caloriemter and the contents reach thermal equilibrium at 26.95 °C. The specific heat capacity of iron is 0.449 and the specific heat capacity of water is 4.184 How much heat, q, is lost by the piece of iron? Giron How much...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial temperature 80.000 C. A salt weighing 7.253 g is quickly added. The salt has a molar mass of 149.325 g/mol. The final temperature of the solution is 7.532 C. Assume no heat loss to the surroundings. Assume the specific heat capacity of the solution is equal to that of pure water, and that the mass of the solution is equal...
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