What is the Delta G_rxn for the reaction given: CJ_4(g) + 2O_2(g)) CO_2(g) + 2H_

Question

What is the Delta G_rxn for the reaction given: CJ_4(g) + 2O_2(g)) CO_2(g) + 2H_2O(g) a. 50.8 kJ/mol b.-751 kJ/mol c. -113 kJ/mol d. -115 kJ/mol e. -807 kJ/mol Determine Delta G_rxn for C_4H_10(l) + 13/2 O_2(g) 4CO_2(g) + 5H_2O(g) given the following. a. -2705 kJ/mol b. -608.0 kJ/mol c. -1791 kJ/mol d. -3457 kJ/mol e. +608.0 kJ/mol Given the following data, determine the molar free energy of combustion for propane gas, C_3H_8. Delta G (C_53_8, g) -23.5 kJ/mol Delta G (CO_2, g) -394.4 kJ/mol Delta G (H_2O, g) -105.6 kJ/mol a. -1629.1 kJ/mold. b. -1582.1 kJ/mole. c. -476.5 kJ/mol d. +476.5 kJ/mol e. +1582.1 kJ/mol

Explanation / Answer

22)
Grxn = Gof (product) - Gof (reactant)
= 2*Gof (H2O(g)) + Gof (CO2(g)) - Gof (CH4(g)) - 2*Gof (O2(g))
= 2*(-228.57) + (394.4) - (50.8) -2*(0)
= -113.54 KJ/mol

Answer: c

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