Carbon disulfide reacts with chlorine to form tetrachloromethane, as shown in reaction 2. $$\[ \begin{array}{ll} \text { reaction } 2 \quad \mathrm{CS}_{2}+3 \mathrm{Cl}_{2} \rightarrow \mathrm{CCl}_{4}+\mathrm{S}_{2} \mathrm{Cl}_{2} \quad & \Delta H^{\ominus}=-261.6 \mathrm{~kJ} \mathrm{~mol}^{-1} \\ & \Delta S^{\ominus}=-365.5 \mathrm{JK}^{-1} \mathrm{~mol}^{-1} \end{array} \]$$ Calculate the maximum temperature, in K , for reaction 2 to be feasible. temperature $$\(=\)$$ .......................... K
Exam No:9701_s24_qp_42 Year:2024 Question No:3(b)
Answer:
Knowledge points:
23.4.1 state and use the Gibbs equation
23.4.2 perform calculations using the equation
23.4.3 state whether a reaction or process will be feasible by using the sign of ΔG
23.4.4 predict the effect of temperature change on the feasibility of a reaction, given standard enthalpy and entropy changes
Solution:
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