Question
Asked Nov 3, 2019
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What is the energy change when the temperature of 14.6
gaseous xenon is decreased from 38.7 °C to
of
grams
23.5 °C?
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What is the energy change when the temperature of 14.6 gaseous xenon is decreased from 38.7 °C to of grams 23.5 °C?

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Step 1

Given information:

Mass of xenon gas = 14.6 g

Initial temperature = 38.7 oC

Final temperature = 23.5 oC

Taking Specific heat capacity of xenon gas = 0.158 J/g.oC

Step 2

The amount of heat or energy can be expressed in terms of mass specific heat capacity ...

qm.C.AT
= 14.6 gx0.158 J/g. Cx(23.5-38.7) °C
=-35.063 J
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qm.C.AT = 14.6 gx0.158 J/g. Cx(23.5-38.7) °C =-35.063 J

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