As the ice is heated, it starts melting....

As the ice is heated, it starts melting. Stir the mixture of ice and water.

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The graph of temperature versus time is shown below.

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A piece of ice (heat capacity =2100 J kg^(-1) .^(@)C^(-1) and latent heat =3.36xx10^(5) J kg^(-1) ) of mass m grams is at -5 .^(@)C at atmospheric pressure. It is given 420 J of heat so that the ice starts melting. Finally when the ice . Water mixture is in equilibrium, it is found that 1 gm of ice has melted. Assuming there is no other heat exchange in the process, the value of m in gram is

A piece of ice (heat capacity= 2100Jkg^-1^@C^-1 and latent heat =3.36xx10^5Jkg^-1 ) of mass m grams is at -5^@C at atmospheric pressure. It is given 420J of heat so that the ice starts melting. Finally when the ice-water mixture is in equilibrium, it is found that 1gm of ice has melted. Assuming there is no other heat exhange in the process, the value of m is

When an ice is kept on the palm, it starts melting because.

Continue heating even after ice starts melting.

A well insulated container has a mixture of ice and water, at 0^(@)C . The mixture is supplied heat at a constant rate of 420 watt by switching on an electric heater at time t = 0. The temperature of the mixture was recorded at time t = 150s, 273s and 378s and the readings were 0^(@)C , 10^(@)C and 20^(@)C respectively. Calculate the mass of water and ice in the mixture. Specific heat of water = 4.2 J g^(-1) .^(@)C^(-1) , Specific latent heat of fusion of ice = 336 J g^(-1) . Assume that the mixture is stirred slowly to maintain a uniform temperature of its content.

A small quantity mass m, of water at a temperature theta ("in " ^(@)C) is poured on to a larger mass M of ice which is at its melting point. If c is the specific heat capacity of water and L the specific heat capacity of water and L the specific latent heat of fusion of ice, then the mass of ice melted is give by

TARGET PUBLICATION-HEAT-Apply your Knowledge

Put the beaker on a stand and heat the ice using a burner, as shown in...
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Record the temperature using the thermometer after every minute.
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As the ice is heated, it starts melting. Stir the mixture of ice and w...
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Continue heating even after ice starts melting.
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Draw a graph of temperature versus time.
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Activity: Take a small slab of ice, a think wire and two identical w...
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Activity: Put a slab of ice on a stand as shown in the figure below.
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Activity: Hang two equal weights on the slab as shown in the figure.
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What do you observe?
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Ice is put into a tumbler containing water at room temperature. To coo...
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We feel that some objects are cold, and some are hot. Is this feeling ...
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Take a bottle of cold water out of a refrigerator and keep it outside ...
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Material: A tray with thick layer of wax, solid spheres of iron, lead ...
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Material: A tray with thick layer of wax, solid spheres of iron, lead ...
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What is the difference between heat and temperature?
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What are the different ways of heat transfer ?
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The entropy change can be calculated by using the expression DeltaS-(q...
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Mercury thermometers can be used to measure temperatures upto
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Put the beaker on a stand and heat the ice using a burner, as shown in...
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Record the temperature using the thermometer after every minute.
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