Question:medium
Enthalpy change is always negative for which one of the following processes?
Enthalpy change is always negative for which one of the following processes?
Show Hint
Combustion reactions always release energy, hence \( \Delta H<0 \).
Updated On: Apr 24, 2026
- Enthalpy of ionisation
- Enthalpy of sublimation
- Enthalpy of vapourisation
- Enthalpy of bond dissolution
- Enthalpy of combustion
Show Solution
The Correct Option is
Solution and Explanation
Was this answer helpful?
0
Top Questions on Work done in Thermodynamics
- A gas undergoes a process \( PV^2 = \text{constant} \). Initially, pressure = 2 atm, volume = 1 L. It expands to 2 L. Find the work done by the gas in joules.
- MHT CET - 2025
- Physics
- Work done in Thermodynamics
- A gas in a cylinder is compressed from an initial volume of \( 5 \, \text{m}^3 \) to a final volume of \( 2 \, \text{m}^3 \) while maintaining a constant pressure of \( 1 \times 10^5 \, \text{Pa} \). Calculate the work done by the gas during the compression.
- MHT CET - 2025
- Physics
- Work done in Thermodynamics
- A gas expands from an initial volume of \( V_1 = 1 \, \text{m}^3 \) to a final volume of \( V_2 = 3 \, \text{m}^3 \) under constant pressure of \( P = 2 \, \text{atm} \). What is the work done by the gas during this expansion?
- MHT CET - 2025
- Physics
- Work done in Thermodynamics
- For a system of particles in thermal equilibrium, what is the probability that a particle will have energy greater than \( E_0 \) according to the Boltzmann distribution?
- MHT CET - 2025
- Physics
- Work done in Thermodynamics
- Want to practice more? Try solving extra ecology questions todayView All Questions
