Question

quantity of heat lost in condensation of 10 gm of steam at 100 degree celcius is....? (answer in joules)

Answer 1

mass(m) = 10 gm
= 1/100 kg
Latent heat of condensation(L)
= 2256 * 10³ J/kg

Heat lost = m * L
= 1/100 * 2256 * 10³
= 22560 J
= 22.56 kJ

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Answer 2

The quantity of heat lost in condensation is 22680 J.

Explanation:

Given,

Mass(m) = 10 gm

To find, the quantity of heat lost in condensation of 10 gm of steam at 100° C = ?

We know that,

Quantity of heat lost in condensation 10 gm of steam at 100° C

= mL

= 10 × 540 cal

Since, 1 cal = 4.2 J

= 5400 cal

= 5400 × 4.2J

= 22680 J

Hence, the quantity of heat lost in condensation is 22680 J.