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Thomson's Discovery of Electrons

What is Joule...

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What is Joule - Thomson experiment? What is inversion tempreture?

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Q. Assertion :The gas is heated, if its temperature is less than its inversion temperature in Joule-Thomson effect. Reason: Heating effect in gas is noticed during Joule-Thomson effect when

T > T_{i}

.

Q. Assertion :The gas on subjecting to Joule-Thomson effect gets heated if its temperature is less than its inversion temperature. Reason: Heating effect has Joule-Thomson coefficient -ve.

Read the above assertion and reason and choose the correct option regarding it.

Q. If the inversion temperature of a gas is

- 80^{\circ} C,

then it will produce cooling under Joule-Thomson effect at

Q. Which of the following gas shows heating effect in Joule- Thomson experiment? 1)O2 2)CO2 3)H2 4)N2

	Column I		Column II
a.	Joule- thomson coefficient	p.	${(\begin{matrix} \frac{\partial U}{\partial V} \end{matrix})}_{T} = 0$
b.	Kirchhoff`s equation	q.	$(\begin{matrix} \frac{2 a}{R T} - b \end{matrix})$
c.	Ideal gas	r.	${(\begin{matrix} \frac{\partial Δ H}{\partial T} \end{matrix})}_{P} = Δ C_{P}$
d.	Inversion temperature	s.	${(\begin{matrix} \frac{\partial T}{\partial P} \end{matrix})}_{H} = \frac{- (\partial H / \partial P)_{T}}{C_{P}}$

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