Question

the latent heat of vaporization of

water is

(a) 540 cal/g

(b) 800 cal/g

(c) 80 cal/g

(d) 54 cal/g​

Answer 1

Answer:

b option is the answer of this question

Answer 2

Answer:

Given: m = 150g

L = 540 cal/g

To find: Q = ?

Formula: Q = mL

Solution: Q = 150 × 540

= 81000 cal

Heat energy needed is 81000 cal.

Explanation: