Home
Class 11
PHYSICS
What equivalent of a copper vessel is 10...

What equivalent of a copper vessel is 100 g. It contains 1 kg of watar at `30^(@)C`. The vessel is heated with a Bunsen burner. If the burner supplies 200 cal of heat per second, then find the time required for the water to start boiling?

Text Solution

Verified by Experts

6 min 25 s
Promotional Banner

Topper's Solved these Questions

  • CALORIMETRY

    CHHAYA PUBLICATION|Exercise Problem Set - II|4 Videos

  • CALORIMETRY

    CHHAYA PUBLICATION|Exercise Hots Numerical Problems|14 Videos

  • CALORIMETRY

    CHHAYA PUBLICATION|Exercise EXERCISE (Multiple Choice Questions)|29 Videos

  • CIRCULAR MOTION

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|11 Videos

Similar Questions

Explore conceptually related problems

600 g of water at 30^(@)C is kept in a vessel of water equivalent 60 g. If the vessel is supplied heat at the rate of "100 cal.s"^(-1) , how much time will the water take to reach its boiling point?

A calorimeter of water equivalent 10 g contains 100 g of water at 90^(@)C . On exposure to air, its temperature falls to 80^(@)C in 5 min. If the same calorimeter is filled with 50 g of an oil, the time for the same drop in temperature is 2 min. Calculate the specific heat of the oil if the rate of heat loss in both the cases is assumed to be the same.

The mass of a copper steam boiler is 200 kg. It contains 100 kg of water at 25^(@)C.7xx10^(6) cal of heat is produced by burning 1 kg of coal and only 3% of it is absorbed by the boiler to heat water. How much coal is to be burnt to raise the temperature of the water in the boiler to its boiling point? Specific heat of copper ="0.09 cal.g"^(-1).^(@)C^(-1) .

The water equivalent of a calorimeter is 10g and it contains 50 g of water at 15^(@)C . Some amount of ice, initially at -10^(@)C is dropped in it and half of the ice melts till equilibrium is reached. What was the initial amount of ice that was dropped (when specific heat of ice =0.5"cal"gm^(-1)""^(@)C^(-1) specific heat of water =1.0"cal"gm^(-1)""^(@)C^(-1) and laten heat of melting of ice =80"cal"gm^(-1) )?

A vessel made of copper weighs 1 kg and it contains 1 kg of water at 10^(@)C . How much coal will be required to raise the temperature of this water to 100^(@)C ? On burning 1 kg of coal, 10^(4) cal of heat can be produced and 40% of this heat is lost. Specific heat of copper ="0.09 cal.g"^(-1).^(@)C^(-1) .

An iron of mass 10 g and of specific heat "0.1 cal.g"^(-1).^(@)C^(-1) is heated in a furnace and quickly transferred to a thick - walled copper vessel of mass 200 g and of specific that "0.09 cal.g"^(-1).^(@)C^(-1) , kept at 50^(@)C . The vessel along with its contents, is placed in a calorimeter of water equivalent 20g, containing 180 g water at 20^(@)C . A thermometer dipped in the water of the calorimeter shows the maximum temperature to be 26^(@)C . Find the temperature of the furnace. Will there be any local boiling of water in the calorimeter?

What would be the amount of heat required to increase the temperature of 1 g of water by 1^(@)C ?

Water equivalent of an electric kettle is 100 g. 890 g of water is taken in it, and it is then switched on. If water needs 3 min 45 s to reach its boiling point from and initial temperature of 20^(@)C , find the rate of production of heat by the kettle? (Assume that 20% of the energy produced is wasted.)