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Standard XII

Chemistry

System, Surroundings, Intensive, Extensive Properties

Among the qua...

Question

Among the quantities, density $(ρ)$ , temperature (T), enthalpy (H), heat capacity $(C_{p})$ , volume (V) and pressure (P), a set of intensive variables are:

(ρ, T, H)

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(H, T, V)

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(V, T, C_{p})

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(ρ, T, P)

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Solution

The correct option is D $(ρ, T, P)$
Density $(ρ)$ , temperature (T) and pressure (p) are intensive variables because they donot depend upon mass.

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Similar questions

Q. Among the quantities, density

(ρ)

, temperature(T), enthalpy(H), heat capacity

(C_{ρ})

, volume (V) and pressure (P), a set of intensive variables are

:

Q. If

C_{p}

and

C_{V}

denotes the specific heats of unit mass nitrogen at constant pressure and volume respectively, then

	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.	${(\begin{matrix} \frac{\partial T}{\partial P} \end{matrix})}_{H} = \frac{- (\partial H / \partial P)_{T}}{C_{P}}$

Q. Test if the following equations are dimensionally correct:
(a)

h = \frac{2 S cosθ}{ρ r g},

(b)

v = \sqrt{\frac{P}{ρ}},

(c)

V = \frac{π P r^{4} t}{8 η l}

(d)

v = \frac{1}{2 π} \sqrt{\frac{m g l}{I}};

where h = height, S = surface tension,

ρ

= density, P = pressure, V = volume,

η =

coefficient of viscosity, v = frequency and I = moment of interia.

Test if the following equations are dimensionally correct :

(a) $h = \frac{2 S c o s θ}{ρ r g}$ ,

(b) $u = \sqrt{\frac{P}{r h o}}$ ,

(d) $v = \frac{1}{2 π \sqrt{\frac{m g l}{I}}}$ ;

where h = height, S = surface tension, $ρ$ = density, P = pressure, V = volume, $η$ = coefficient of viscosity, v = frequency and I = moment of inertia.

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Among the quantities, density (ρ), temperature (T), enthalpy (H), heat capacity (Cp), volume (V) and pressure (P), a set of intensive variables are:

The correct option is D (ρ,T,P)Density (ρ), temperature (T) and pressure (p) are intensive variables because they donot depend upon mass.

Among the quantities, density $(ρ)$ , temperature (T), enthalpy (H), heat capacity $(C_{p})$ , volume (V) and pressure (P), a set of intensive variables are:

The correct option is D $(ρ, T, P)$
Density $(ρ)$ , temperature (T) and pressure (p) are intensive variables because they donot depend upon mass.