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The free energy change for the following reactions are given below,, CyH»(g) + +02(9) 32C0.(9) + H,O(I); AG’ = —1284kJ, C(s) + O2(g) + CO2(g) AG’ = —394kJ Q. 23 5 M, , H2(g) + 5 02(9) — H,O(l) AG® = —237kJ What is the standard free energy, change for the reaction H>(g) + 2C'(s) —» C2H2(q)
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Q.22 5M, , For a reaction at 25°C’ enthalpy change, and entropy changes are, , —11.7 x 10° J mol! and, , —105 Jmol | K~" respectively. What is, the Gibbs free energy .
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Q.21 5M, , AG?*° for the reaction X + Y|= Zis?, 4.606 kcal . The value of equilibrium, constant of the reaction at 227° Cl is, , (R = 2.0 cal. mol 'K~1)
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Q.20 5M, , What is the free energy change AG’ when, 1.0 mole of water at 100°C and 1 atm!, , pressure is converted into steam at 100° C', and 1 atm pressure
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Q 19 5M, , One gram sample of NV. H,NO3|is, decomposed in a bomb calorimeter. The, temperature of the calorimeter increases, by 6.12 K the heat capacity of the system is, 1.23 kJ/g/deg. What is the molar heat of, , decomposition for V H,NO3|