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A copper block of mass 2.5 kg ts heated ...

A copper block of mass` 2.5` kg ts heated in a furnace to a temperature of `500 ^(@) C` and then placed on a large ice block. What is the maximum amount of ice that can melt? (Specific heat of copper = `0.39 J g^(-1) K^(-1), " heat of fusion of water " = 335 J g^(-1))`.

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`1.5 kg`
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A copper block of mass 2.5 kg is heated in a furnace to a temperature of 500^@C and then placed on a large ice block. What is the maximum amount of ice that can melt? Specific heat of copper is 0.39 J gm^-1 "^@C^-1 , Heat of fusion of ice = 335 J gm^-1 .

What is the thermal capacity of 40 gm of aluminium? Specific heat of aluminium is 0.2 cal g^-1^@C^-1 .

10g of water at 30^(@)C and 5g of ice at -20^(@) C are mixed together in a calorimeter. What is the final temperature of the mixture? Given specific heat of ice= 0.5 cal g^(-1) (""^(0)C)^(-1) and latent heat of fusion of ice =80 cal g^(-1)

Mass of a piece of cppper is 20 g. Find the rise in temperature of the piece when 100 cal of heat is supplied to it? Specific heat of copper ="0.09 cal. g"^(-1).^(@)C^(-1).

What is the heat needed (in J) to increase the temperature of 5 g water by 1^@C ?

Two identical blocks of ice move in opposite directions with equal speed and collide with each other. What will be the minimum speed required to make both the blocks melt completely, if the initial temperatures of the blocks were -8° C each ? (Specific heat of ice is 2100 Jkg^(-1)K^(-1) and Latent heat of fusion of ice is 3.36 xx 10^5 Jkg^(-1) )

1 kg oil is taken in a copper calorimeter having mass 100 g. This oil is stirred vigorously by applying a torque of 10^(8) dyn cdot cm with the help of a rotating paddle. The temperature of the oil rises by 5^(@)C after 220 rotations. Determine the mechanical equivalent of heat. Specific heat of copper = 0.09 cal cdot g^(-1) cdot^(@)C^(-1) and specific heat of oil = 0.64 cal cdot g^(-1) cdot^(@)C^(-1) .

If the specific heat of copper is "0.1 cal. G"^(-1).^(@)C^(-1) , then water equivalent of a copper calorimeter of mass 0.4 kg is

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