A 1000g sample of solid mercury at its melting point of -39.0C(Celsius) is placed in a...
A 1000g sample of solid mercury at its melting point of -39.0C(Celsius) is placed in a 220g aluminum calorimeter with 430g of water at temperature of 12.8C. The final equilibrium temperature is 5.1C. From this determine the latent heat of fusion for mercury.
Specific heats
Mercury 0.138J/g/K
aluminum 0.900J/g/K
Water 4.186J/g/K
Homework Answers
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A 1000g sample of solid mercury at its melting point
of -39.0C(Celsius) is placed in a...
2 The specific heat of mercury is 138 J/kgC. The following is calorimeter data: 1.00 kg...
2 The specific heat of mercury is 138 J/kgC. The following is calorimeter data: 1.00 kg of solid HG at its melting point f-39.0 degrees C is placed in a 0.625 kg aluminum calorimeter with 0.400 kg of water at 12.80 C. The resulting equilibrium final temperature is 5.06 C. a. Draw the T-Q phase diagram that represents this b. Calculate the latent heat of fusion of mercury from this data. c. What is the change in entropy of the...
3 please Question 3 10 pts 0.2000kg of molten copper at the melting point 1083°C, is...
3 please
Question 3 10 pts 0.2000kg of molten copper at the melting point 1083°C, is placed into a 375.2g aluminum calorimeter cup filled with a quantity of ice both initially at 0.000°C. If the final temperature of the system is 91.50°C, what is the mass of the ice in kilograms in the calorimeter cup initially? The specific heat for water is 4186J/kg°C, for copper is 387J/kg°C, and for aluminum is 900 J/kg°C. The latent heat of fusion for water...
The specific heat of a particular substance is 147 J/(KC). Determine the latent heat of fusion...
The specific heat of a particular substance is 147 J/(KC). Determine the latent heat of fusion of the substance if 1.64 kg of the substance at its melting point of -30,0 degrees Celsius, placed in a 0.631 kg aluminum container with 0.369 kg of water at 13.7 degrees Celsius results in an equilibrium temperature of 6.45 degrees Celsius. You don't need to
Mercury (Hg) is a metal that melts at –39 oC, and thus is a liquid for...
Mercury (Hg) is a metal that melts at –39 oC, and thus is a liquid for temperatures where water is liquid. The latent heat of melting of mercury and specific heat of liquid mercury are: Latent heat of mercury 1.14*10^4 J/Kg and specific heat of mercury is 139J J/kg. .72 kg of solid mercury at its melting point of –39 oC is placed in thermal contact with 1.15 kg of water, initially at 22 oC, such that they are thermally...
An unknown material has a normal melting/freezing point of -29.9 °C, and the liquid phase has...
An unknown material has a normal melting/freezing point of -29.9 °C, and the liquid phase has a specific heat capacity of 164 J/(kg C°). One-tenth of a kilogram of the solid at -29.9 °C is put into a 0.100-kg aluminum calorimeter cup that contains 0.105 kg of glycerin. The temperature of the cup and the glycerin is initially 27.3 °C. All the unknown material melts, and the final temperature at equilibrium is 18.4 °C. The calorimeter neither loses energy to...
A 200 g ice cube at -20 degrees Celsius is placed in 1.00 kg of water...
A 200 g ice cube at -20 degrees Celsius is placed in 1.00 kg of water at 25 degrees Celsius in a 50 g aluminum calorimeter also at 25 degrees Celsius. A. How much heat does the ice cube absorb as it reaches its melting point? B. How much heat does the ice cube absorb as it melts? C. What is the final tempreature pf the mixture? D. How much heat does the water in the calorimeter lose as it...
An 80g ice cube at 0 degrees Celsius is placed in 798g of water at 30...
An 80g ice cube at 0 degrees Celsius is placed in 798g of water at 30 degrees Celsius. What is the final temperature of the mixture? The latent heat of fusion for water is 3.33x10^5J/kg and the specific heat of water is 4186J/(kg x degrees Celsius).
A 29.0 g ice cube at -15.0oC is placed in 180 g of water at 48.0oC....
A 29.0 g ice cube at -15.0oC is placed in 180 g of water at 48.0oC. Find the final temperature of the system when equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter, i.e. the system is thermally insulated from the surroundings. Give your answer in oC with 3 significant figures. Specific heat of ice: 2.090 J/g K Specific heat of water: 4.186 J/g K Latent heat of fusion for water: 333...
A 200 g piece of ice at 0 degrees Celsius is place in 500 g of...
A 200 g piece of ice at 0 degrees Celsius is place in 500 g of water at 20 degrees Celsius. The system is in a container of negligible heat capacity and insulated from its surroundings. a) What is the final equilibrium temperature of the system? b) How much of the ice melts? The latent heat of fusion for water is (333.5 KI/kg). The specific heat of water is 4.18 KI/kg K Useful equations: Q = mlf and Q =...
7. A cube of ice is taken from the freezer at -4.0 °C and placed in...
7. A cube of ice is taken from the freezer at -4.0 °C and placed in a 70 g aluminum calorimeter filled with 450 g of water at room temperature of 25.0 °C. The System reaches an equilibrium temperature of 20.0°C. Calculate the mass of the ice cube. Given that, Latent heat of fusion of ice Specific heat capacity of water 4186 Jkg-1 °C-1 Specific heat capacity of aluminum 880 Jkg-1K-1 333700 Jkg-1
2 The specific heat of mercury is 138 J/kgC. The following is calorimeter data: 1.00 kg of solid HG at its melting point f-39.0 degrees C is placed in a 0.625 kg aluminum calorimeter with 0.400 kg of water at 12.80 C. The resulting equilibrium final temperature is 5.06 C. a. Draw the T-Q phase diagram that represents this b. Calculate the latent heat of fusion of mercury from this data. c. What is the change in entropy of the...
3 please
Question 3 10 pts 0.2000kg of molten copper at the melting point 1083°C, is placed into a 375.2g aluminum calorimeter cup filled with a quantity of ice both initially at 0.000°C. If the final temperature of the system is 91.50°C, what is the mass of the ice in kilograms in the calorimeter cup initially? The specific heat for water is 4186J/kg°C, for copper is 387J/kg°C, and for aluminum is 900 J/kg°C. The latent heat of fusion for water...
The specific heat of a particular substance is 147 J/(KC). Determine the latent heat of fusion of the substance if 1.64 kg of the substance at its melting point of -30,0 degrees Celsius, placed in a 0.631 kg aluminum container with 0.369 kg of water at 13.7 degrees Celsius results in an equilibrium temperature of 6.45 degrees Celsius. You don't need to
A 200 g piece of ice at 0 degrees Celsius is place in 500 g of water at 20 degrees Celsius. The system is in a container of negligible heat capacity and insulated from its surroundings. a) What is the final equilibrium temperature of the system? b) How much of the ice melts? The latent heat of fusion for water is (333.5 KI/kg). The specific heat of water is 4.18 KI/kg K Useful equations: Q = mlf and Q =...
7. A cube of ice is taken from the freezer at -4.0 °C and placed in a 70 g aluminum calorimeter filled with 450 g of water at room temperature of 25.0 °C. The System reaches an equilibrium temperature of 20.0°C. Calculate the mass of the ice cube. Given that, Latent heat of fusion of ice Specific heat capacity of water 4186 Jkg-1 °C-1 Specific heat capacity of aluminum 880 Jkg-1K-1 333700 Jkg-1
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