How much heat will be drawn from 5g steam at `200^@C` to convert it into ice at `-5^@C`?

How much heat is requied ot convert 5 g ice at -5^@C into steam at 500^@C under normal pressure?

Carnot engine takes in a 3thousand kilocalories of heat from a eservoir at 627^@C and exhausts it to a sink at 27^@C How much work does it perform?

Carnot engine takes in a thousand kilocalories of heat from a eservoir at 627^@C and exhausts it to a sink at 27^@C .What is its efficiency ?How much work does it perform?Express it in kilowatt-hour

Carnot engine takes in a thousand kilocalories of heat from a eservoir at 627^@C and exhausts it to a sink at 27^@C .What is its efficiency ?How much work does it perform?Express it in electron-volt.

Find the amount of heat required to convert 1g ice at 0^@ C into steam at 100^@ C .

How much copper can be obtained from 100g of copper sulphate ?

First order reacton ha specific rate of 10^(-3) s ^(-1). How much time will it take for 10 g of the reactant to reduce to 5 g ?

How will you convert C_2H_4 into Ethane ?

Find the amount of heat required to convert 10 g ice at -10^@C into steam at 300^@C .