MHT CET 2025 20th April Morning Shift | Thermodynamics Question 37 | Chemistry

Calculate the constant external pressure required to expand 2 moles of an ideal gas from volume $15 \mathrm{dm}^3$ to $20 \mathrm{dm}^3$ if amount of work done is -600 J .

1.2 bar

1.5 bar

1.8 bar

2.1 bar

MHT CET 2025 20th April Morning Shift

MCQ (Single Correct Answer)

-0

Calculate the enthalpy of vaporisation of ethanol if 11.5 g of ethanol is completely vaporised by supplying 11.8 kJ of heat.

$21.7 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$47.2 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$65.1 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$39.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$

MHT CET 2025 19th April Evening Shift

MCQ (Single Correct Answer)

-0

Calculate the enthalpy change of vaporisation of benzene if 13 gram of benzene vaporised by supplying 5.1 kJ of heat.

$43.5 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$35.3 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$30.6 \mathrm{~kJ} \mathrm{~mol}^{-1}$

$40.7 \mathrm{~kJ} \mathrm{~mol}^{-1}$

PREVIOUS NEXT

MHT CET Subjects

Browse all chapters by subject

Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

Inorganic Chemistry

Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry

Organic Chemistry

IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry