A student drops a 0.35 kg piece of steel at 42°C into a contaoner of water...
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A student drops a 0.35-kg piece of steel at 42 ℃ into a container of water at 22 ℃
A student drops a 0.35-kg piece of steel at 42 ℃ into a container of water at 22 ℃. The student also drops a 0.56-kg chunk of lead into the same container at the same time. The temperature of the water remains the same.What was the temperature of the lead?Express your answer to two significant figures and include appropriate units.
Physics Homework Help A student drops two metallic objects into a 120-g steel container holding 150...
Physics Homework Help
A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25 degree C. One object is a 150-g cube of copper that is initially at 70 degree C, and the other is a chunk of aluminum that is initially at 5.0 degree C. To the surprise of the student, the water reaches a final temperature of 25 degree C, precisely where it started. What is the mass of the aluminum...
A blacksmith drops 1.5 kg piece of iron heated to 525°C into 2 L of water...
A blacksmith drops 1.5 kg piece of iron heated to 525°C into 2 L of water with temperature of 70°C. What will be the final temperature of water? Calculate amount of evaporated water, and final temperature.
A lab student drops a 350 g piece of metal at 110 degree C into a...
A lab student drops a 350 g piece of metal at 110 degree C into a cup containing 450 a of water at 15 degree C. After waiting for a few minutes, the student measures that the final temperature, . of the system is 35 degree C What is the specific heat of the metal, assuming that no distant heat is exchanged with the surroundings or the cup? " ' scant The specific heat of water is 4186//kg degree C
8- Lead pellets, each of mass 1.40 g, are heated to 200°C. How many pellets must...
8- Lead pellets, each of mass 1.40 g, are heated to 200°C. How many pellets must be added to 511 g of water that is initially at 20.0°C to make the equilibrium temperature 25.0°C?Neglect any energy transfer to or from the container. 9-A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C. One object is a 164-g cube of copper that is initially at 87°C, and the other is a chunk of...
A 29 kg piece of zinc at 68◦C is placed in a container of water. The water...
A 29 kg piece of zinc at 68◦C is placed in a container of water. The water had a mass of 28 kg and a temperature of 20◦C before the zinc was added. The specific heat of zinc and water are 388 J/kg ·◦ C and 4180 J/kg ·◦ C, respectively. What is the final temperature of water and zinc? Answer in units of ◦ C.
A 1.8 kg piece of a metal initially at a temperature of 180o C is dropped...
A 1.8 kg piece of a metal initially at a temperature of 180o C is dropped into the water with mass of 14 kg. The water is in a container made of the same metal with mass 3.6 kg. The initial temperature of the water and container is 16.0o C, and the final temperature of the entire system (including the container) is 18.0o C. Calculate the specific heat of the metal. * Heat of fusion of water: 3.33
A blacksmith forging a 930.0-g knife blade drops the steel blade, initially at 670.0°C, into a...
A blacksmith forging a 930.0-g knife blade drops the steel blade, initially at 670.0°C, into a water trough containing 38.0 kg of water at 23.0°C. Assuming none of the water boils away or is lost from the trough and no energy is lost to the surrounding air, what is the final temperature of the water-knife blade system? Assume Csteel = 450 J/(kg . °C).
A blacksmith forging a 945.0-g knife blade drops the steel blade, initially at 690.0°C, into a...
A blacksmith forging a 945.0-g knife blade drops the steel blade, initially at 690.0°C, into a water trough containing 44.0 kg of water at 21.5°C. Assuming none of the water boils away or is lost from the trough and no energy is lost to the surrounding air, what is the final temperature of the water–knife blade system? Assume Csteel = 450 J/(kg · °C).
4. A 0.500 kg piece of copper at an initial temperature of 20.0°C is placed in...
4. A 0.500 kg piece of copper at an initial temperature of 20.0°C is placed in a water bath and the temperature of the metal is raised to 100.0°C. Note: The specific heat capacity of copper is 385J/kg K and the latent heat of fusion is 2.07x1057/kg. a. How much heat was required to raise the temperature of the copper? b. How much more heat would be required to raise the copper to its melting point? C. How much heat...
Physics Homework Help
A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25 degree C. One object is a 150-g cube of copper that is initially at 70 degree C, and the other is a chunk of aluminum that is initially at 5.0 degree C. To the surprise of the student, the water reaches a final temperature of 25 degree C, precisely where it started. What is the mass of the aluminum...
A lab student drops a 350 g piece of metal at 110 degree C into a cup containing 450 a of water at 15 degree C. After waiting for a few minutes, the student measures that the final temperature, . of the system is 35 degree C What is the specific heat of the metal, assuming that no distant heat is exchanged with the surroundings or the cup? " ' scant The specific heat of water is 4186//kg degree C
A blacksmith forging a 930.0-g knife blade drops the steel blade, initially at 670.0°C, into a water trough containing 38.0 kg of water at 23.0°C. Assuming none of the water boils away or is lost from the trough and no energy is lost to the surrounding air, what is the final temperature of the water-knife blade system? Assume Csteel = 450 J/(kg . °C).
4. A 0.500 kg piece of copper at an initial temperature of 20.0°C is placed in a water bath and the temperature of the metal is raised to 100.0°C. Note: The specific heat capacity of copper is 385J/kg K and the latent heat of fusion is 2.07x1057/kg. a. How much heat was required to raise the temperature of the copper? b. How much more heat would be required to raise the copper to its melting point? C. How much heat...
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