JEE Main 20207 Jan, Evening shiftPhysicsMediumThermodynamics163× since 2002
M grams of steam at 100^oC is mixed with 200 g of ice at its melting point in a thermally insulated
container. If it produced liquid water at 40^oC [heat of vaporization of water is 540 cal/g and heat
of fusion of ice is 80 cal/g] the value of M is ____