Gibbs free energy (G) is a measure of the spontaneity of a chemical reaction. It is the chemical potential for a reaction, and is minimized at equilibrium. It is defined as G=H-TS where H is enthalpy, T is temperature, and S is entropy. The chemical reaction that causes magnesium to corrode in air is given by 2Mg + O2-2MgO in which at 298 K, AH = 1204 kJ and AS = - 217.1 J/K. - ▼ Part A What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298 K. Express your answer as an integer and include the appropriate units. ► View Available Hint(s) AGixn= O μA Value Units ?

At 125 °C, 1 mol O2 and 2 mol H₂ in a chamber have a total pressure of 3 atm. A current is run through the chamber, combining all the molecules into H₂O at constant volume. The pressure of the chamber, in atmospheres, is now:

Calculate the standard Gibbs free energy for the following reaction at 25 °C and 1 atm. Based on your calculations, predict whether the reaction will occur spontaneously or not. H2O (l) → H2 (g) + ½ O2 (g). Calculate ΔG° using the two different methods we covered in class. (answer for both methods = +237 kJ/mol)

The industrial synthesis of chloroform by the reaction of methane with Cl2 is carried out according to the following reaction equation:CH4 (g) + Cl2 (g) → CHCl3 (l) + HCl (g)Using the thermodynamic data provided, calculate Ho (in Kj/mol) for this reaction.

A chemist measures the enthalpy change AH during the following reaction: 2H,0(1) + O,(g)→2H,O2(1) AH=196. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mo reaction ΔΗ x10 6H,0,(1) → 6H,0(1) + 30,(g) 4H,0(1) + 20,(g) → 4H,0,(1) I kJ 2H,0,(1) → 2H,0(1) + 0,(g) kJ

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Gibbs free energy (G) is a measure of the spontaneity of a chemical reaction. It is the chemical potential for a reaction, and is minimized at equilibrium. It is defined as G=H-TS where H is enthalpy, T' is temperature, and S is entropy. The chemical reaction that causes aluminum to corrode in air is given by 4A1+30₂-2Al₂O₁ in which at 298 K, AH = -3352 kJ and AS = -625.1J/K Part A What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298 K Express your answer as an integer and include the appropriate units. ▸ View Available Hint(s) μA AG - 89 kJ Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part B What is the Gibbs free energy for this reaction at 5975 K? Assume that AH and AS do not change with temperature. Express your answer to two decimal places and include the appropriate units. > View Available Hint(s) ? AG= Value Units Submit

Write the chemical equation for the standard molar enthalpy of formation of nitromethane, CH3NO2.

Calculate Ecell and E0Cell along with delta G and the equilibrium constant

Calculate the change in internal energy (in kcal) for the reaction Cl2(g) + 7/2 O2(g) = Cl₂O7(g) at 25 °C, given that the gases are ideal. The enthalpy, AH, for the formation of Cl₂O7(g) is 63.4 kcal mol- ¹ at 25 °C.