NEET 2023 | Thermodynamics Question 9 | Chemistry

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NEET 2023

MCQ (Single Correct Answer)

-1

Which amongst the following options is the correct relation between change in enthalpy and change in internal energy?

$$\Delta \mathrm{H}=\Delta \mathrm{U}+\Delta \mathrm{n_g R T}$$

$$\Delta \mathrm{H}-\Delta \mathrm{U}=-\Delta \mathrm{nRT}$$

$$\Delta \mathrm{H}+\Delta \mathrm{U}=\Delta \mathrm{nR}$$

$$\Delta \mathrm{H}=\Delta \mathrm{U}-\Delta \mathrm{n_g R T}$$

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

One mole of an ideal gas at 300 K is expanded isothermally from 1 L to 10 L volume. $$\Delta$$U for this process is :

(Use R = 8.314 J k^$$-$$1 mol^$$-$$1)

0 J

1260 J

2520 J

5040 J

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

A vessel contains 3.2 g of dioxygen gas at STP (273.15 K and 1 atm pressure). The gas is now transferred to another vessel at constant temperature, where pressure becomes one third of the original pressure. The volume of new vessel in L is : (Given : molar volume at STP is 22.4 L)

67.2

6.72

2.24

22.4

NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

Which of the following p-V curve represents maximum work done?

NEET 2022 Phase 1 Chemistry - Thermodynamics Question 12 English Option 1

NEET 2022 Phase 1 Chemistry - Thermodynamics Question 12 English Option 2

NEET 2022 Phase 1 Chemistry - Thermodynamics Question 12 English Option 3

NEET 2022 Phase 1 Chemistry - Thermodynamics Question 12 English Option 4

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NEET Subjects

Biology

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Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution