Question
Asked Jan 7, 2020
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0.62 lbm of saturated liquid water at 10 psia absorbs a constant 1.5 kW of energy from an electrical resistance heater in an isobaric adiabatic process, until the water reaches a temperature of 200 ∘F.

Assuming no heat losses from the container, how long did this take?

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Expert Answer

Step 1

The specific internal energy for saturated liquid water at 10 psia taken from the steam tables is:

Chemical Engineering homework question answer, step 1, image 1
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Step 2
Chemical Engineering homework question answer, step 2, image 1
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