Solve the following problems :
20 g of water is given 2090 j of heat . Determine the change in the temperature of water .

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 ?

Solve the following problems : If the temperature of water changes by 10 ⁰C on giving 300 cal of heat , what is the mass of water ?

Solve the following problems : What will be the amount of heat in joules required to increase temperature of 120g of aluminium block from 22 ⁰C to 52 ⁰C ? ( specific heat of aluminium = 0.21 cal/g ⁰C ) .

Solve the following problems : Suppose the masses of the calorimeter , the water in it and the hot object made up of copper which is put in the calorimeter are the same . The initaial temperature of the calorimeter and water is 30 ⁰C and that of the hot object is 60 ⁰C . the specific heats of copper and water are 0.09 cal/g ⁰C and 1 cal/g ⁰C respectively . what will be the final temperature of water ?

Solve the following problems : How much heat will be neded to raise the temperature of 1.5 kg of water from 15 ⁰C to 45 ⁰C ? Give the answer in calories as well as in joule .

Solve the following problems : When a substance having mass of 3 kg receives 600 cal of heat , its temperature increases by 10 ⁰C . What is the specific heat of the substance ?

Solve the following problems : When a substance having mass of 3 kg receives 600 cal of heat , its temperature increases by 10 ⁰C to 70 ⁰C . What is the specific heat of the substance ?

Solve the following problems : A silver square sheet of length 10 cm is heated from temperature 20 ⁰C to 70 ⁰C . If the change in ita area is 0.18 cm^2 , then find the coefficient of areal expansion of silver .

Solve the following examples / numeriacal problems: Find the heat needed to raise the temperature of a silver container of mass 100 g by 10⁰C. (c=0.056 cal/g⁰ C)