If no heat is lost in condensation of x g of steam at 100° C . The ratio of y to x is:

Question

If no heat is lost in condensation of x g of steam at 100° C . The ratio of y to x is: (A) 2.5: 1 (B) 3: 1 (C) 2:1 (D) 1: 1

Tardigrade Admin · Accepted Answer

The latent heat of steam = 540 cal/g and the latent heat of ice = 80 cal/g The specific heat of water is 1 text cal text/g° C Heat lost by xg of steam in condensing =540x ?(i) Heat gained by ice =y× 80+y× 100=180y ?(ii) Equation (i) and (ii) we get (y/x)=3, so, y:x=3:1

Q. If no heat is lost in condensation of x g of steam at $100^{\circ} C$ . The ratio of y to x is:

2.5 : 1

3 : 1

2:1

1 : 1

Q. If no heat is lost in condensation of x g of steam at 100∘C . The ratio of y to x is:

2.5 : 1

3 : 1

2:1

1 : 1

The latent heat of steam = 540 cal/g and the latent heat of ice = 80 cal/g The specific heat of water is 1cal/g∘C Heat lost by xg of steam in condensing =540x ?(i) Heat gained by ice =y×80+y×100=180y ?(ii) Equation (i) and (ii) we get xy​=3, so, y:x=3:1

Q. If no heat is lost in condensation of x g of steam at $100^{\circ} C$ . The ratio of y to x is: