Advertisements
Advertisements
प्रश्न
The temperature of a lead piece of mass 400 g rises from 20°C to 50°C when 1560 J of heat is supplied to it. Calculate Specific heat capacity of lead.
Advertisements
उत्तर
Specific heat capacity of lead = `"Heat supplied"/("Mass" xx "Rise in temperature")`
`= (1560 "J")/((400 "g") xx (50^circ"C" - 20^circ "C")) = 0.13 "J"//"g"^circ "C"`
संबंधित प्रश्न
A solid of mass 50 g at 150 °C is placed in 100 g of water at 11 °C when the final temperature recorded is 20 °C. Find the specific heat capacity of the solid. (specific heat capacity of water = 4.2 J/g °C)
Water in lakes and ponds do not freeze at once in cold countries. Give a reason is support of your answer.
Differentiate between heat capacity and specific heat capacity.
Define heat capacity.
Write the approximate values of the specific latent heat of fusion of ice.
A piece of ice is heated at a constant rate. The variation of temperature with heat input is shown in the graph below:

(i) What are represented by AB and CD?
(ii) What conclusion can you draw regarding the 110°c nature of ice from the above graph?
The molar specific heat of a gas at constant volume is 12307.69 J kg-1 K-1. If the ratio of the two specific heats is 1.65, calculate the difference between the two molar specific heats of gas.
From the options given below the specific heat of _______ is maximum.
Numerical Problem.
What could be the final temperature of a mixture of 100 g of water at 90 °C and 600g of water at 20°C.
Which of the following substances (A, B and C) has the highest specific beat?

