10- A 67 g aluminum spoon (specific heat 0.88 J/g°C) at 22°C is placed in 237...
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10- A 67 g aluminum spoon (specific heat 0.88 J/g°C) at 22°C
is placed in 237...
1) Which substance will heat up faster: Aluminum (s) specific heat = 0.90 J/g°C Brass (s)...
1) Which substance will heat up faster: Aluminum (s) specific heat = 0.90 J/g°C Brass (s) specific heat = 0.380 J/g°C 2)A student mixes 50.0 mL of a 0.100 M AgNO3 solution with 50.0 mL of a 0.100 M HCl solution in a coffee cup calorimeter. Upon mixing the temperature of the resulting solution increases from 22.30°C to 23.11°C. If we assume the resulting solution has a final volume of 100.0 mL and the density and specific heat of the...
If 100 g of aluminum at 90°C were placed in a calorimeter with 50 g of...
If 100 g of aluminum at 90°C were placed in a calorimeter with 50 g of water 20 °C and the resulting temperature of the mixture was 28 °C, calculate the calorimeter constant for the calorimeter used in this experiment. (specific hea of water = 4.184 J/g °C and specific heat of aluminum = 0.900 J/g °C). O 390.6 J/g °C O 906.7 J/g °C O 488.3 J/g °C O 0.456 J/g °C O 336.7 J/g °C
A 61.93 gram sample of iron (with a specific heat of 0.450 J/g °C) is heated...
A 61.93 gram sample of iron (with a specific heat of 0.450 J/g °C) is heated to 100.0 °C. It is then transferred to a coffee cup calorimeter containing 40.6 g of water (specific heat of 4.184 J/ g °C) initally at 20.63 °C. If the final temperature of the system is 23.59, what was the heat absorbed (q) of the calorimeter? (total heat absorbed by the water and calorimeter = heat released by the iron)
3) If 28.0 g of water at 26.4 °C gain 5,563 J of heat, what is...
3) If 28.0 g of water at 26.4 °C gain 5,563 J of heat, what is the final temperature of water? (Specific heat of water is 4.184 J/g.°C)) 4) If 46.2 g piece of aluminum is cooled from 84.5 °C to 29.5 °C, how much energy was lost by aluminum? (specific heat of aluminum is 0.901 J/(g.°C)) 5) If 78.6 g piece of iron is dropped into 100.0 g of water initially at 24.6 °C. The final temperature of both...
A piece of metal with a specific heat of 1.29 J/g°C is heated to 126.6°C and...
A piece of metal with a specific heat of 1.29 J/g°C is heated to 126.6°C and then placed in 133.868 g of water which is at a temperature of 10.9 °C. After a minute, the temperature of the water has stopped changing and is now 45.6°C. Assuming that there are no heat losses to the container or surroundings, what is the mass of the piece of metal in grams? Assume that water has a specific heat of 4.184 J/g°C. Enter...
A 130.0 g piece of copper (specific heat 0.38 J/g･°C) is heated and then placed into...
A 130.0 g piece of copper (specific heat 0.38 J/g･°C) is heated and then placed into 400.0 g of water initially at 20.7°C. The water increases in temperature to 22.2°C. What is the initial temperature of the copper? (The specific heat of water is 4.18 J/g･°C and the density of water is 1.00 g/mL).
If a 105 g piece of aluminum (specific heat 216 cal/g°C) at 25.0°C absorbs 542 cal,...
If a 105 g piece of aluminum (specific heat 216 cal/g°C) at 25.0°C absorbs 542 cal, what will its new temperature be? Use the correct number of significant figures. f 10.0 g of NH NO, added to 50.0 mL of water cause a 14.3°C decrease in temperature, what is the heat of solution for ammonium nitrate per gram? (Assume the specific heat for the solution is 4.184 J/g °C.)
SPECIFIC HEAT OF A METAL Specific heat is an intensive property, which is the amount of...
SPECIFIC HEAT OF A METAL Specific heat is an intensive property, which is the amount of heat required to raise the temperature of 1 gram substance by 1°C. Specific heat units areJ/g °C. Solve the following problems using your lecture notes: 1. When 8.50 g of metal, initially at 82 °C, is placed in 45 g water at 20°C, the final temperature of the metal and water is 22 °C. Calculate the specific heat of the metal in J/gºC. (specific...
A coffee cup calorimeter is prepared, containing 100.000 g of water (specific heat capacity = 4.184 J/g K) at initial te...
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 7.228 g is quickly added. The salt has a molar mass of 211.503 g/mol. The final temperature of the solution is 8.795 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 19 g sample of an alloy at 98.0°C is placed into 84.6 g of water at 22.0 °C in an insulated coffee cup with a heat cap...
A 19 g sample of an alloy at 98.0°C is placed into 84.6 g of water at 22.0 °C in an insulated coffee cup with a heat capacity of 9.2 J/K. If the final temperature of the system is 35.0°C, what is the specific heat capacity of the alloy in J/(g.K)? Don't include units. cH2O = 4.184 J/g.K
If 100 g of aluminum at 90°C were placed in a calorimeter with 50 g of water 20 °C and the resulting temperature of the mixture was 28 °C, calculate the calorimeter constant for the calorimeter used in this experiment. (specific hea of water = 4.184 J/g °C and specific heat of aluminum = 0.900 J/g °C). O 390.6 J/g °C O 906.7 J/g °C O 488.3 J/g °C O 0.456 J/g °C O 336.7 J/g °C
3) If 28.0 g of water at 26.4 °C gain 5,563 J of heat, what is the final temperature of water? (Specific heat of water is 4.184 J/g.°C)) 4) If 46.2 g piece of aluminum is cooled from 84.5 °C to 29.5 °C, how much energy was lost by aluminum? (specific heat of aluminum is 0.901 J/(g.°C)) 5) If 78.6 g piece of iron is dropped into 100.0 g of water initially at 24.6 °C. The final temperature of both...
A piece of metal with a specific heat of 1.29 J/g°C is heated to 126.6°C and then placed in 133.868 g of water which is at a temperature of 10.9 °C. After a minute, the temperature of the water has stopped changing and is now 45.6°C. Assuming that there are no heat losses to the container or surroundings, what is the mass of the piece of metal in grams? Assume that water has a specific heat of 4.184 J/g°C. Enter...
If a 105 g piece of aluminum (specific heat 216 cal/g°C) at 25.0°C absorbs 542 cal, what will its new temperature be? Use the correct number of significant figures. f 10.0 g of NH NO, added to 50.0 mL of water cause a 14.3°C decrease in temperature, what is the heat of solution for ammonium nitrate per gram? (Assume the specific heat for the solution is 4.184 J/g °C.)
SPECIFIC HEAT OF A METAL Specific heat is an intensive property, which is the amount of heat required to raise the temperature of 1 gram substance by 1°C. Specific heat units areJ/g °C. Solve the following problems using your lecture notes: 1. When 8.50 g of metal, initially at 82 °C, is placed in 45 g water at 20°C, the final temperature of the metal and water is 22 °C. Calculate the specific heat of the metal in J/gºC. (specific...
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