A copper sphere of 100 g mass is heated to raise its temperautre to `100^@C` and is released in water of mass 195 g and temperature `20^@C` in a copper calorimeter.If the mass of calorimeter is 50g,what will the maximum temperature of water?

If water of mass 60g and temperature 60⁰C is mixed with water of mass 60g and temperature 40⁰C , what will be the maximum temperature of the mixture ?

A copper calorimeter of mass 100g and temperature 30⁰C contains water of mass 200g and temperature 30⁰C. If a piece of ice of mass 40g and temperature 0⁰C is added to it,What will be the maximum temperature of the mixture ? [ c (copper)= 0.1 cal/g ⁰C, C (water) = 1 cal/g ⁰C , L= 80cal/g ]

Water of mass 200g and temperature 30⁰C is taken in a copper calorimeter of mass 50g and temperature 30⁰C .A copper sphere of mass 100g and temperature 100⁰C is released into it. What will be the maximum temperature of the mixture ? [ c (water)= 1 cal/g ⁰C, C (copper) = 0.1 cal/g ⁰C ]

Solve the following examples / numeriacal problems: If water of mass 80 g and temperature 45⁰ C is mixed with water of mass 20 g and temperature 30⁰C . What will be the maximum temperature of the mixture ?

A copper sphere of mass 500 g is heated 100^@C and then introduced into copper calorimeter containing 100 g of water at 20^@C . Find the maximum temperature of the mixture, if the mass of calorimeter is 100 g and specific heat capacity is 0.1 cal//g^@C

Find the heat needed to raise the temperature of a piece of iron of mass 500g by 20⁰ C .(c=0.110 cal/g⁰ C)

Solve the following problems : A iron block at temperature 80 ⁰C is dipped in water inside the calorimeter at temperature 25 ⁰C . If mass of the block is 500 g and that of water is 266 g . What will be the final temperature attained by all the three ?

A calorimeter of mass 50 gm and specific heat capacity 0.42 J g^-1 ^@C^-1 contains some water at 20^@ C. A metal piece of mass 20 gm at 100^@ C is dropped into the calorimeter. After stirring, the final temperature of the mixture is found to be 22^@C .Find the mass of water used. (specific heat of metal piece= 0.3 J g^-1 ^@C^-1 specific heat of water = 4.2 J g^-1 ^@C^-1 )