10 grams of hot copper are added to water, causing the water to change temperature by...
10 grams of hot copper are added to water, causing the water to change temperature by 15 K and the copper changes temperature by 80 K. What is the mass of the water?
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10 grams of hot copper are added to water, causing the water to
change temperature by...
A) If 24.67 grams of water showed a temperature increase of 0.85 °C, what is the heat change...
A) If 24.67 grams of water showed a temperature increase of 0.85 °C, what is the heat change for the water in joules? The specific heat capacity of water is 4.184 J/(g⋅°C). B What is the heat change by the metal in Part A in joules? C) If the hot metal in Part A has a mass of 5.57 grams, and the metal underwent a temperature decrease of 18.18 °C, what is the specific heat capacity of the metal object?
14. Answer this question: suppose equal masses of hot copper and hot aluminum are added to...
14. Answer this question: suppose equal masses of hot copper and hot aluminum are added to equal amounts of water. The initial temperatures of the metals are the same and the water samples also start with the same temperature. If the systems are isolated, which system, the one with copper or the one with aluminum, will end up with the higher equilibrium temperature and why?
18. When a piece of copper at a temperature of 256.0 °C is added to 255...
18. When a piece of copper at a temperature of 256.0 °C is added to 255 grams of water at a temperature of 20.0 °C, the final temperature of the resulting mixture is 24.0 °C. If the specific heat capacity of copper is 0.385 J/g°C, calculate the mass of the piece of copper used in the experiment? The specific heat capacity of water is 4.184 J/ g• °C. (5 points)
A water heater consists of a copper tube that carries water through hot gas in a...
A water heater consists of a copper tube that carries water through hot gas in a furnace, as shown in Fig. 1. hot gas at T, = 500° th=0.033 inch h, = 25 W/m2K Poytube = 0.25 inch water at Tv = 30° h = 500 W/m2K kube= 300 W/m-K Figure 1: Copper tube in a water heater. The copper tube has an outer radius, ro,tube = 0.25 inch and a tube wall thickness of th=0.033 inch. The conductivity of...
Exactly 10.3 mL of water at 29.0°C is added to a hot iron skillet. All of the water is converted ...
Exactly 10.3 mL of water at 29.0°C is added to a hot iron skillet. All of the water is converted into steam at 100.0°C. The mass of the pan is 1.30 kg and the molar heat capacity of iron is 25.19 J/mol C). What is the temperature change of the skillet? oC
Exactly 10.3 mL of water at 29.0°C is added to a hot iron skillet. All of the water is converted into steam at 100.0°C. The mass of the...
A hot lump of 32.3 g of copper at an initial temperature of 96.5°C is placed...
A
hot lump of 32.3 g of copper at an initial temperature of 96.5°C is
placed in 50.0 mL H2O initially at 25.0°C and allowed to reach
thermal equilibrium. What is the final temperature of the copper
and water given that the specific heat of copper is 0.385J/g°C and
the specific heat of water is 4.184J/g°C?
4. A hot lump of 32.3 g of copper at an initial temperature of 96.5°C is placed in 50.0 mL H20 initially at 25.0°C...
Exactly 15 mL of water at 20 °C is added to a hot frying pan made...
Exactly 15 mL of water at 20 °C is added to a hot frying pan made completely out of iron that weighs 1.5 kg. If the 15 mL of added water is converted to steam at 100 °C determine the temperature change of the frying pan. The molar heat capacity of iron is 25.19 J mol-1 K-1.
system, hot water at an average temperature of 80°C is flowing through a 15-m section of...
system, hot water at an average temperature of 80°C is flowing through a 15-m section of a cast In a heating iron pipe (k 50 W/m K) whose inner and outer diameters are 4 cm and 5 cm, respectively. The outer surface of the pipe, whose emissivity is 0.75, is exposed to the cold air at 10°C in the basement. with a heat transfer coefficient of 15 W/m2.K. The heat transfer coefficient at the inner surface of the pipe is...
Eighty grams of cold water initially at 20 oC is combined with some amount of hot...
Eighty grams of cold water initially at 20 oC is combined with some amount of hot water having an initial temperature of 80 oC. Afterward, the final temperature of the mixture stabilizes at 40 oC. Assume the heat is exchanged only between the hot and cold water only (so that there is no heat loss to the surroundings). The specific heat capcity of water is 1.0 cal/(g Co). What was ΔT and Q for the hot water? ΔTH = QH...
Exactly 18.0 mL of water at 24.0 °C is added to a hot iron skillet. All...
Exactly 18.0 mL of water at 24.0 °C is added to a hot iron skillet. All of the water is converted to steam at 100.0°C. The mass of the skillet is 1.05 kg. What is the change in temperature of the skillet?
14. Answer this question: suppose equal masses of hot copper and hot aluminum are added to equal amounts of water. The initial temperatures of the metals are the same and the water samples also start with the same temperature. If the systems are isolated, which system, the one with copper or the one with aluminum, will end up with the higher equilibrium temperature and why?
18. When a piece of copper at a temperature of 256.0 °C is added to 255 grams of water at a temperature of 20.0 °C, the final temperature of the resulting mixture is 24.0 °C. If the specific heat capacity of copper is 0.385 J/g°C, calculate the mass of the piece of copper used in the experiment? The specific heat capacity of water is 4.184 J/ g• °C. (5 points)
A water heater consists of a copper tube that carries water through hot gas in a furnace, as shown in Fig. 1. hot gas at T, = 500° th=0.033 inch h, = 25 W/m2K Poytube = 0.25 inch water at Tv = 30° h = 500 W/m2K kube= 300 W/m-K Figure 1: Copper tube in a water heater. The copper tube has an outer radius, ro,tube = 0.25 inch and a tube wall thickness of th=0.033 inch. The conductivity of...
Exactly 10.3 mL of water at 29.0°C is added to a hot iron skillet. All of the water is converted into steam at 100.0°C. The mass of the pan is 1.30 kg and the molar heat capacity of iron is 25.19 J/mol C). What is the temperature change of the skillet? oC
Exactly 10.3 mL of water at 29.0°C is added to a hot iron skillet. All of the water is converted into steam at 100.0°C. The mass of the...
A
hot lump of 32.3 g of copper at an initial temperature of 96.5°C is
placed in 50.0 mL H2O initially at 25.0°C and allowed to reach
thermal equilibrium. What is the final temperature of the copper
and water given that the specific heat of copper is 0.385J/g°C and
the specific heat of water is 4.184J/g°C?
4. A hot lump of 32.3 g of copper at an initial temperature of 96.5°C is placed in 50.0 mL H20 initially at 25.0°C...
system, hot water at an average temperature of 80°C is flowing through a 15-m section of a cast In a heating iron pipe (k 50 W/m K) whose inner and outer diameters are 4 cm and 5 cm, respectively. The outer surface of the pipe, whose emissivity is 0.75, is exposed to the cold air at 10°C in the basement. with a heat transfer coefficient of 15 W/m2.K. The heat transfer coefficient at the inner surface of the pipe is...
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