Explain what is the gibbs free energy for this reaction

Assignment Help Chemistry

Reference no: EM13297504

The chemical reaction that causes magnesium to corrode in air is given by 2Mg +O2---> 2MgO in which

$\Delta Hrxn = -1204kJ$
$\Delta Srxn = -217.1 J/K$

A) What is the Gibbs free energy for this reaction at 5546 ? Assume that and do not change with temperature.

B) At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium?

Reference no: EM13297504

Questions Cloud

Determine what is the concentration of pce in the lake : An industry discharges PCE (tetrachloroethene, tetratchloroethylene, or perchloroethylene) into a small, well-mixed lake. The influent concentration is 0.4mg/L and the hydraulic residence time of the lake is 5days.

How much work does she do on the dog : To keep her dog from running away while she talks to a friend, Susan pulls gently on the dog's leash with a constant force given by F = (2.1 N ) ^x+ (1.5 N )^y, How much work does she do on the dog

Define the chemical reaction between solid ammonium chloride : The energy diagram shown represents the chemical reaction between solid ammonium chloride and solid barium hydroxide octahydrate: 2NH4Cl(s)+Ba(OH)2 * 8H2O(s)-----2NH3(aq)+BaCl2(aq)+10H2O(l)

What is present worth of five years of cost of maintanance : you purchased an old machine at the beginning of this year.maintanance on this old machine will be 100$ at the end of this year but is expected to increase by $25 each year after. what is the present worth of five years of the cost of maintanance

Explain what is the gibbs free energy for this reaction : What is the Gibbs free energy for this reaction at 5546 ? Assume that and do not change with temperature. At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium

Determine how large must the reactor be : A CMFR is to be designed to remove contaminant A from water with a steady-state efficiency of 95 percent. The decay reaction is zeroth order, with a rate constant of 0.1M/h. The inlet concentration of A is 0.5 M.

What is the specific heat ratio : The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5

Explain how many grams of sodium formate nacho2 : How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.3 L of 0.45 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.75

Determine the tension in the cable closer to the painter : A scaffold of mass 57 kg and length 6.5 m is supported in a horizontal position by a vertical cable at each end. What is the tension in the cable closer to the painter

User Account

All Pages