Question
Asked Oct 9, 2019
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Consider a bubble of a 4 mole of oxygen is submerged at a certain depth in water. If the
temperature of the water is raised by 15°C at constant pressure, the bubble expands.
Calculate the work done by oxygen bubble in this process.
(a) 9580 J
(b) 500 J
(c) 4608 J
(d) 700 J
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Consider a bubble of a 4 mole of oxygen is submerged at a certain depth in water. If the temperature of the water is raised by 15°C at constant pressure, the bubble expands. Calculate the work done by oxygen bubble in this process. (a) 9580 J (b) 500 J (c) 4608 J (d) 700 J

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Expert Answer

Step 1

Consider the temperature of bubble at the constant pressure P be T1 when the volume is V1, the temperature of bubble at the constant pressure P be T2 when the volume is V2, on the X scale be t.

 

The change in temperature is,

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ДТ -Т, — Т, ((2 C+273)-(0°C+273)) K =15 K

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Step 2

Write the ideal gas equation for the initial temperature and volume of the bubble.

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PVT nRT 1 (1)

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Step 3

Write the ideal gas equation for the final t...

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PV nRT (2)

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