Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Chemical Thermodynamics question

2021 · Q57
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /IIT JAM
  3. /Chemistry
  4. /Chemical Thermodynamics
  5. /2021 · Q57

Chemical Thermodynamics question

2021 · Q57

IIT JAMChemistryChemical ThermodynamicsNumerical+2 / −0
The thermodynamic data at 298 K for the decomposition reaction of limestone at equilibrium is given below CaCO3(s)⇌CaO(s)+CO2(g)\text{CaCO}_3(\text{s}) \rightleftharpoons \text{CaO}(\text{s}) + \text{CO}_2(\text{g})CaCO3​(s)⇌CaO(s)+CO2​(g) | Thermodynamic quantity | CaCO_{3}(s) | CaO(s) | CO_{2}(g) | | --- | --- | --- | --- | | μ∘\mu^\circμ∘ (kJ mol^{-1}) | -1128.8 | -604.0 | -394.4 | | ΔHf∘\Delta H_f^\circΔHf∘​ (kJ mol^{-1}) | -1206.9 | -635.1 | -393.5 | The partial pressure of CO 2_{2}2​(g) in atm evolved on heating limestone (rounded off to two decimal places) at 1200 K is ‾\underline{\hspace{2cm}}​. (Given: R=8.314 J K−1 mol−1R = 8.314 \text{ J K}^{-1} \text{ mol}^{-1}R=8.314 J K−1 mol−1)
Numerical answer
View written solutionFree

Correct answer: 4.20, 4.35

PreviousNext

More from Chemical Thermodynamics

  • The graph that represents the temperature (T) – entropy (S) variation of a Carnot cycle is2020 · MCQ
  • In water, the enthalpy of a protein in its folded state (HF​) is lower than that in its unfolded state (HUF​). The entropies of the folded and unfolded states are SF​ and SUF​,…2020 · Multiple correct
  • The heat of formation of MgO at 300 K and 1 bar pressure is –600.60 kJ mol⁻¹. The free energy (in kJ mol⁻¹) of formation of MgO at 280 K is ​ (Round off to nearest integer) Given: In the range 280-300 K, the…2020 · Numerical
  • The thermodynamic criterion for spontaneity of a process in a system under constant volume and temperature and in the absence of any work other than expansion work (if any) is2019 · MCQ
  • One mole of an ideal gas is subjected to an isothermal increase in pressure from 100 kPa to 1000 kPa at 300 K. The change in Gibbs free energy of the system is ​ kJ mol⁻¹. (Round off to one decimal place) [Given:…2019 · Numerical
  • The CORRECT expression that corresponds to reversible and adiabatic expansion of an ideal gas is2018 · MCQ
  • The CORRECT expression(s) for isothermal expansion of 1 mol of an ideal gas is(are)2018 · Multiple correct
  • Consider the reaction CO(g)+21​O2​(g)⟶CO2​(g). The value of ΔU for the reaction at 300 K is -281.8 kJ mol −1. The value of ΔH at same temperature is kJ mol −1 (rounded up to the…2018 · Numerical