Chemistry · 2017
NEET 2017 · 7 May · Code A · Q77
For a given reaction, Δ H =35.5 kJ mol^-1 and Δ S=83.6 JK^-1 mol^-1. The reaction is spontaneous at: (Assume that Δ H and Δ S do not vary with…
For a given reaction, $\displaystyle \Delta \mathrm{H}=35.5 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $\displaystyle \Delta S=83.6 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}$. The reaction is spontaneous at : (Assume that $\displaystyle \Delta \mathrm{H}$ and $\displaystyle \Delta \mathrm{S}$ do not vary with temperature)
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \mathrm{T}>425 \mathrm{~K}$
More from Thermodynamics
- Match List I with List II. List I (Process) A. Isothermal process B. Isochoric process C. Isobaric process D. Adiabatic process List II (Conditions)…2024
- In which case change in entropy is negative?2019
- The standard heat of formation, in kcal / mol of Ba^2+ is: [Given: standard heat of formation of SO_4^2- ion (aq)=-216 kcal / mol, standard heat of…2025
- In which of the following processes entropy increases? A. A liquid evaporates to vapour. B. Temperature of a crystalline solid lowered from 130 K to…2024
- At a certain temperature, T(K), during a process, 500 J is absorbed by the system and work of 200 J is done by the system. Then change in internal…2026
- Which amongst the following options is the correct relation between change in enthalpy and change in internal energy?2023
- Consider the following reaction: 2 A( g)+B( g) → 2 D( g) Δ U^ =-10 kJ mol^-1 and Δ S^ =-44 J K^-1 at 298 K. Identify the correct option with Δ G^ for…2026
- Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is:…2019
NEET (UG) 2017 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.