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- At 800C, K=2.2104 for the following reaction 2H2S(g)2H2(g)+S2(g) Calculate K at 8000C for (a) the synthesis of one mole of H2S from H2 and S2 gases. (b) the decomposition of one mole of H2S gas.arrow_forwardMethanol is now widely used as a fuel in race cars. Consider the following reaction as a possible synthetic route to methanol. C(graphite) + O2(g) + 2 H2(g) CH3OH() Calculate Kp for the formation of methanol at 298 K using this reaction. Would this reaction be more product-favored at a different temperature?arrow_forwardAt 627C, K=0.76 for the reaction 2SO2(g)+O2(g)2SO3(g) Calculate K at 627C for (a) the synthesis of one mole of sulfur trioxide gas. (b) the decomposition of two moles of SO3.arrow_forward
- Titanium(IV) oxide is converted to titanium carbide with carbon at a high temperature. TiO2(s) + 3 C(s) 2 CO(g) + TiC(s) (a) Calculate rG and K at 727 C. (b) Is the reaction product-favored at equilibrium at this temperature? (c) How can the reactant or product concentrations be adjusted for the reaction to proceed at 727 C?arrow_forwardConsider the following diagram of free energy (G) versus fraction of A reacted in terms of moles for the reaction 2A(g) B(g). Before any A has reacted, PA = 3.0 atm and PB = 0. Determine the sign of G and the value of Kp. for this reaction.arrow_forwardA crucial reaction for the production of synthetic fuels is the production of H2 by the reaction of coal with steam. The chemical reaction is C(s) + H2O(g) CO(g) + H2(g) (a) Calculate rG for this reaction at 25 C, assuming C(s) is graphite. (b) Calculate Kp for the reaction at 25 C. (c) Is the reaction predicted to be product-favored at equilibrium at 25 C? If not, at what temperature will it become so?arrow_forward
- Some metal oxides can be decomposed to the metal and oxygen under reasonable conditions. Is the decomposition of silver(I) oxide product-favored at equilibrium at 25 C? 2 Ag2O(s) 4 Ag(s) + O2(g) If not, can it become so if the temperature is raised? At what temperature does the reaction become product-favored at equilibrium?arrow_forwardGiven the following data at 25C 2NO(g)N2(g)+O2(g)K=1 10 30 2NO(g)+Br2(g)2NOBr(g)K=8 101 Calculate K for the formation of one mole of NOBr from its elements in the gaseous state.arrow_forwardCalculate rG at 25 C for the formation of 1.00 mol of C2H6(g) from C2H4(g) and H2(g). Use this value to calculate Kp for the equilibrium. C2H4(g) + H2(g) C2H6(g) Comment on the sign of rG and the magnitude of Kp.arrow_forward
- Use data given in Tables 6.2 and 18.1 to obtain the value of Kp at 2000C for the reaction N2(g)+O2(g)2NO(g) Nitric oxide is known to form in hot flames in air, which is a mixture of N2 and O2. It is present in auto exhaust from this reaction. Are the data in agreement with this result? Explain.arrow_forwardCalculate the standard free-energy change and the equilibrium constant Kp for the following reaction at 25C. See Appendix C for data. CO(g)+2H2(g)CH3OH(g)arrow_forwardOrgan pipes in unheated churches develop tin disease, in which white tin is converted to gray tin. Given white Sm: H f =0.00 kJ/mol; S =51.55 J/mol K gray Sn: H f =2.09 kJ/mol; S =44.14 J/mol K calculate the equilibrium temperature for the transition.arrow_forward
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