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Thermodynamics

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4 days ago

Thermodynamics Class 11th

An ideal engine whose efficiency is 40%, receives heat at 500 K. If required efficiency is 50%, then intake temperature for the same exhaust temperature is
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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

 

New answer posted

4 days ago

Thermodynamics Class 11th

Choose the correct statement.
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A
alok kumar singh

Contributor-Level 10

Heat is path dependent so path function but internal energy does not depend on path chosen.

New answer posted

5 days ago

Thermodynamics Class 11th

The orbital angular momentum of 3d electron is

 

 
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alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

5 days ago

Thermodynamics Class 11th

For the reaction, CaCO3(s) → CaO(s) + CO2(g) △H = 82.8 kJ at 25°C, △U at 25°C is
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alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

6 days ago

Thermodynamics Class 11th

Two waves of wavelength 50 cm and 51 cm produced 12 beats per second. The velocity of sound is
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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

a week ago

Thermodynamics Class 11th

Kindly consider the following

For the reaction,

 
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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

a week ago

Thermodynamics Class 11th

Which of the following statement is incorrect?
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A
alok kumar singh

Contributor-Level 10

For spontaneous process △G < 0

For reversible process △G = 0

New answer posted

a week ago

Thermodynamics Class 11th

A gas undergoes a cyclic process ABCA as shown. Find the work done by the gas for

 

 
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A
alok kumar singh

Contributor-Level 10

Work Area

->W = 1 2 * 600 * 4

= 1200J

New answer posted

a week ago

Thermodynamics Class 11th

Which among the following is not a state function?
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

Work depends on the path followed by the system so work is path function.

New answer posted

a week ago

Thermodynamics Class 11th

8 moles of oxygen and 4 moles of nitrogen are at same temperature T and are mixed. The total internal energy is
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A
alok kumar singh

Contributor-Level 10

U = nCvT

-> U = n 1 C v 1 T + n 2 C v 2 T  

-> 8 * 5 R 2 * T + 4 * 5 R 2 * T

= 30RT

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