MHT CET · Chemistry · Thermodynamics (C)
Two moles on an idea gas is expanded isothermally and reversibly at 300 K form 1L to 10L. The enthalpy change in KJ is
- A 11.4 kJ
- B 4.8 kJ
- C -11.4 kJ
- D Zero kJ
Answer & Solution
Correct Answer
(D) Zero kJ
Step-by-step Solution
Detailed explanation
The enthalpy change at constant pressure is given as:
For isothermal expansion
For isothermal expansion
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- According to Hess's law, the heat of reaction depends uponMHT CET 2011 Easy
- Which of the following reagents is used in the conversion of phenol into picric acid?MHT CET 2025 Medium
- A buffer solution is prepared by mixing equimolar acetic acid and sodium acetate. If ' \(\mathrm{K}_{\mathrm{a}}\) ' of acetic acid is \(1.78 \times 10^{-5}\), find the \(\mathrm{pH}\) of buffer solution.MHT CET 2023 Medium
- Find the temperature in degree Celsius if volume and pressure of 2 mole ideal gas is \(20 \mathrm{dm}^3\) and 4.926 atmospheres respectively.
\(\left(\mathrm{R}=0-0821 \mathrm{dm}^3 \mathrm{~atm} \mathrm{~K} \mathrm{mol}^{-1}\right)\)MHT CET 2023 Hard - 2 moles of an ideal gas expands isothermally from \(5 \mathrm{dm}^3\) to \(10 \mathrm{dm}^3\) at a constant external pressure of 1.5 bar. Calculate work done.MHT CET 2024 Easy
- Which of the following is not an iron ore?MHT CET 2012 Easy
More PYQs from MHT CET
- Which of the following is the formula of BHA?MHT CET 2020 Medium
- A particle is moving along a circular path with constant speed and centripetal acceleration \(a\). If the speed is doubled, the ratio of its acceleration after and before the change isMHT CET 2022 Hard
- The amount of work done in blowing a soap bubble such that its diameter increases from ' d ' to ' D ' is ( \(\mathrm{T}=\) surface tension of solution)MHT CET 2025 Medium
- A fair coin is tossed a fixed number of times. If the probability of getting 5 tails is same as the probability of getting 7 tails, then the probability of getting 3 tails isMHT CET 2025 Medium
- If
\(\mathrm{I}=\int \frac{\sin x+\sin ^3 x}{\cos 2 x} \mathrm{~d} x=\mathrm{P} \cos x+\mathrm{Q} \log \left|\frac{\sqrt{2} \cos x-1}{\sqrt{2} \cos x+1}\right|+\mathrm{c},\)
(where \(\mathrm{c}\) is a constant of integration), then the values of \(\mathrm{P}\) and \(\mathrm{Q}\) are respectivelyMHT CET 2023 Hard - Eight chairs are numbered 1 to 8 . Two women and three men wish to occupy one chair each. First the women choose chairs from amongst the chairs marked 1 to 4 , and then the men select the chairs from amongst the remaining. The number of possible arrangements isMHT CET 2024 Medium