Free Energy Change

i keep getting way to large answers with the free energy question. help?

Wednesday, December 15, 2010

for the combutstion of methane at 250 degrees C. all products and reactants are gases. CH4(g) + 2O2(g) –> CO2(g) + 2H2O(g) 1) calculate free energy change to 3 sig figs (no scientific notation). 2) calculate the equilibrium constant to 2 sig figs (with scientific notation). 3) calculate what the temperature for the combustion of [...]

Estimate the free energy change (ΔGrxn) for the following reaction at 298 K, if each gaseous substance is pres?

Thursday, December 2, 2010

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Estimate the free energy change (ΔGrxn) for the following reaction at 298 K, if each gaseous substance is present at p = 0.40 atm. C2H4(g) + 3 O2(g) <–> 2 CO2(g) + 2 H2O(l) Enter your answer in kJ.

Calculate the standard free energy change in kJ/mol for the above cell reaction.?

Friday, November 19, 2010

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2I – + Br2 = I2 + 2Br- Calculate the standard free energy change in kJ/mol for the above cell reaction. Please help, I cannot get this to work at all. I’ve tried everything I can think of.

calculate the Gibbs free energy change (G°) for the following reactions. In each case, indicate whether the re?

Thursday, October 28, 2010

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Using the data in the appendix of your text book, calculate the Gibbs free energy change (G°) for the following reactions. In each case, indicate whether the reaction is spontaneous or not a) H2 (g) + Cl2(g) → 2HCl (g) b) 2 POCl3 (g) → 2 PCl3 (g) + O2 (g)

If the standard free energy change for combustion of 1 mole of a gaseous fuel is -546 kJ/mol and the number of?

Monday, October 18, 2010

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If the standard free energy change for combustion of 1 mole of a gaseous fuel is -546 kJ/mol and the number of electrons involved in the reaction is 9 mol, calculate the standard voltage that could be obtained from a fuel cell using this fuel. Answer to 3 decimal places. Use F = 96485 C [...]

The Energy Of Tomorrow | Free Energy Change | Magnetic Generator Free Energy

Saturday, July 31, 2010

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ChoosingGood.com A Long Kept Secret For Generating Free Electricity is Finally On The Open, And You’ll Never Have To Pay A Single Dime to the Power Company Did you know that you could completely eliminate your power bill, by constructing a zero point magnetic power generator? What are the Benefits of Magniwork? Works in every [...]

What is the free energy change in kilojoules of a reaction at 461 kelvin whose enthalpy change is -58 kilojoul

Wednesday, July 28, 2010

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What is the free energy change in kilojoules of a reaction at 461 kelvin whose enthalpy change is -58 kilojoules and entropy change is -93.3 joules per kelvin?

the standard free energy of hydrolysis of ATP is around -30 kj/mol the cellular free energy change is even?

Tuesday, July 27, 2010

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standard free energy of hydrolysis of ATP is around -30 kj/mol the cellular free energy change is even more negative.what factors contribute to this?