How much energy is released or absorbed when 40.0 g of steam at 250.0 c is converted to water at 30.0 c?

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Chemistry

Emmalee Marquez

14 November, 03:45

How much energy is released or absorbed when 40.0 g of steam at 250.0 c is converted to water at 30.0 c?

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Titus Gonzales · Answer 1

The steam needs to condense, which occurs at 100C - 1. Q = (40.0g) (2.031J/gC) (250C-100C) The phase change is occurs - 2. Q = (40.0g) (79.72 cal/g) The water cools from 100C to 30C 3. Q = (40.0g) (4.18J/gC) (100C-30C)