220k views
4 votes
A quantity of water vapor at 100​°​C is condensed to liquid water at the same temperature. In the process, 180,414.08 joules of heat are released. What is the quantity of water that is condensed?

1 Answer

6 votes

Answer:

0.08kg

Step-by-step explanation:

Given parameters:

Temperature of water = 100°C

Quantity of heat released = 180414.08J

Unknown:

Quantity of water condensed = ?

Solution:

This is simple phase change process without any attendant change in temperature.

To solve this problem, use the formula below;

H = mL

H is the heat released

m is mass

L is the latent heat of condensation of water = 2260 kJ/kg

Insert the parameters and solve;

180,414.08 = m x 22.6 x 10⁵ J/kg

m =
(180414.08)/(2260000) = 0.08kg

User Tbridge
by
4.8k points