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Thermodynamics Class 11th

Find the speed of sound in oxygen gas at STP.

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alok kumar singh

Contributor-Level 10

Kindly go though the solution

$v = \sqrt[]{\frac{γ R T}{M}} = 330 m / s$

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a week ago

Thermodynamics Class 11th

A 1 mol ideal gas expands from 10 L to 100 L at 300 k, if above expansion takes place reversibly and isothermally then magnitude of work done is _____ (in KJ)

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alok kumar singh

Contributor-Level 10

$w = - n R T l n \frac{V_{2}}{V_{1}}$

$| w | = 2.303 n R T l o g \frac{V_{2}}{V_{1}}$

$| w | = 1 * 2.303 * 8.314 * 300 l o g \frac{100}{10}$

|w| = 5744 J

|w| = 5.744 kJ » 6 kJ

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New answer posted

2 weeks ago

Thermodynamics Class 11th

The P-V diagram of 4 g of helium gas for a certain process A → B is shown in the figure. What is the heat given to the gas during the process A → B?

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alok kumar singh

Contributor-Level 10

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Thermodynamics Class 11th

Which of the following is correct for a reaction to be spontaneous?

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alok kumar singh

Contributor-Level 10

ΔG = ΔH – TΔS For spontaneity

ΔG = –ve

ΔS = + ve

ΔH = –ve

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2 weeks ago

Thermodynamics Class 11th

Kindly consider the following

Entropy is a

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alok kumar singh

Contributor-Level 10

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2 weeks ago

Thermodynamics Class 11th

The total kinetic energy associated with n moles of monoatomic gas is

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alok kumar singh

Contributor-Level 10

Total kinetic energy associated with 'n' moles of monoatomic gas is = 3/2 nRT

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2 weeks ago

Thermodynamics Class 11th

A Carnot engine working between the temperature 500 K and 1000 K does a work of 1000 J. The heat energy supplied by the source to the engine per cycle is

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alok kumar singh

Contributor-Level 10

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2 weeks ago

Thermodynamics Class 11th

Consider a process on a system shown in figure below. During the process, the work done by the system

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alok kumar singh

Contributor-Level 10

During the process, area under P – V graph continuously increases but rate of increment varies.

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Thermodynamics Class 11th

The correct graph between loge^R and loge(θ– θ₀) during cooling of a body may be (R is the rate of cooling and q0 is surrounding temperature)

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alok kumar singh

Contributor-Level 10

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Thermodynamics Class 11th

Heat required to raise the temperature of 5.4 g of aluminum from $35^{0} C$ to $65^{0} C$ is (Molar heat capacity of $A I = 24 J m o l^{- 1} K^{- 1}$ )

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Vishal Baghel

Contributor-Level 10

Moles of $A I = \frac{5.4}{27} = \frac{1}{5}$ $\frac{}{} \frac{}{}$

$q = n C ? T = \frac{1}{5} * 24 * 30 = 144 J$

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