A calorimeter contained 79.0 g of water at 15.75°C. A 120.-g sample of iron at 63.82°C...
A calorimeter contained 79.0 g of water at 15.75°C. A 120.-g sample of iron at 63.82°C was placed in it, giving a final temperature of 19.06°C for the system. Calculate the heat capacity of the calorimeter. Specific heats are 4.184 J/g·°C for and 0.444 J/g·°C for .
Heat capacity of the calorimeter = ________J/°C
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A calorimeter contained 79.0 g of water at 15.75°C. A 120.-g
sample of iron at 63.82°C...
A 10.95 g sample of lead at 88.0°C was placed into a styrofoam cup calorimeter which...
A 10.95 g sample of lead at 88.0°C was placed into a styrofoam cup calorimeter which contained 15 mL of water at 22.0°C. The final temperature in the calorimeter reached 23.5°C. Calculate the specific heat of lead. The specific heat of water is 4.184 J/g°C.
A 60.80 gram sample of iron (with a heat capacity of 0.450 J/g◦C) is heated to...
A 60.80 gram sample of iron (with a heat capacity of 0.450 J/g◦C) is heated to 100.00 ◦ It is then transferred to a coffee cup calorimeter containing 52.42 g of water (specific heat of 4.184 J/ g◦C) initially at 20.47 ◦C. If the final temperature of the system is 28.78, what was the heat gained by the calorimeter? If the calorimeter had a mass of 25.19 g, what is the heat capacity of the calorimeter?
A 50g sample of iron is heated to 75.2°C and placed into a calorimeter holding 70g...
A 50g sample of iron is heated to 75.2°C and placed into a calorimeter holding 70g of water at a temperature of 25°C. Assuming no heat loss to the calorimeter, what will be the final temperature reached in the calorimeter? Specific heat capacity of iron = .444J/g•C° Specific heat capacity of water = 4.184J/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)
A 275-g sample of nickel at 100.0°C is placed in 100.0 g of water at 22.0°C....
A 275-g sample of nickel at 100.0°C is placed in 100.0 g of water at 22.0°C. What is the final temperature of the water? Assume no heat transfer with the surroundings. The specific heat of nickel is 0.444 J/g·°C and the specific heat of water is 4.184 J/g·°C. Hint: The final temp for both the system and surroundings will be the same.
A 61.18 gram sample of iron (with a heat capacity of 0.450 J/g℃) is heated to...
A 61.18 gram sample of iron (with a heat capacity of 0.450 J/g℃) is heated to 100.00。It is then transferred to a coffee cup calorimeter containing 52.33 g of water (specific heat of 4.184 J/ g℃) initially at 20.67 ℃. If the final temperature of the system is 28.40, what was the heat gained by the calorimeter? If the calorimeter had a mass of 27.88 g, what is the heat capacity of the calorimeter? J absorbed by the calorimeter
6. A piece of 155.0 g aluminium metal at 120°C was placed in a constant pressure...
6. A piece of 155.0 g aluminium metal at 120°C was placed in a constant pressure calorimeter of negligible heat capacity containing 300.0 g of water at 20°C. Calculate the final temperature of the system (the aluminium metal and the water) in °C: given the specific heat of aluminium metal = 0.90 J/g °C, and that of water 4.184 J/g °C
i would really appreciate a quick answer please, thank you 2. A 82.5 g sample of...
i
would really appreciate a quick answer please, thank you
2. A 82.5 g sample of iron bar is placed in a coffee cup calorimeter containing 150 ml of water at 22.6 °C. The final temperature of the water and the iron bar is 40.0°C. Assume that the heat capacity of the calorimeter is negligible. (SFe=0.444 J/g °C, SH2o = 4.184 Jlg °C). Report answers to 3 sf (significant figures). a. Calculate the initial temperature (°C) of the iron bar....
A 32.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing...
A 32.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 60.0 g of water at 24.0°C, The final temperature of the system was found to be 28.4℃ Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 14.4/C) J/g °C
A 56 gram sample of iron (with a heat capacity of 0.450 J/g ºC) is heated...
A 56 gram sample of iron (with a heat capacity of 0.450 J/g ºC) is heated to 100.0 ºC. It is then transferred to a coffee cup calorimeter containing 40.35 g of water (specific heat of 4.184 J/ g ºC) initially at 20.63 ºC. If the final temperature of the system is 23.59, how much heat was absorbed by the calorimeter? Record your answer as a whole number (assume the sign is positive).
A 61.18 gram sample of iron (with a heat capacity of 0.450 J/g℃) is heated to 100.00。It is then transferred to a coffee cup calorimeter containing 52.33 g of water (specific heat of 4.184 J/ g℃) initially at 20.67 ℃. If the final temperature of the system is 28.40, what was the heat gained by the calorimeter? If the calorimeter had a mass of 27.88 g, what is the heat capacity of the calorimeter? J absorbed by the calorimeter
6. A piece of 155.0 g aluminium metal at 120°C was placed in a constant pressure calorimeter of negligible heat capacity containing 300.0 g of water at 20°C. Calculate the final temperature of the system (the aluminium metal and the water) in °C: given the specific heat of aluminium metal = 0.90 J/g °C, and that of water 4.184 J/g °C
i
would really appreciate a quick answer please, thank you
2. A 82.5 g sample of iron bar is placed in a coffee cup calorimeter containing 150 ml of water at 22.6 °C. The final temperature of the water and the iron bar is 40.0°C. Assume that the heat capacity of the calorimeter is negligible. (SFe=0.444 J/g °C, SH2o = 4.184 Jlg °C). Report answers to 3 sf (significant figures). a. Calculate the initial temperature (°C) of the iron bar....
A 32.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 60.0 g of water at 24.0°C, The final temperature of the system was found to be 28.4℃ Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 14.4/C) J/g °C
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