For the reaction Fe2O3(s) + 3H2(g)2Fe(s) + 3H2O(g) H°rxn = 98.8 kJ and S°rxn = 142.5 J/K The standard free energy change for the reaction of 2.47 moles of Fe2O3(s) at 267 K, 1 atm would be kJ. This reaction is (reactant, product) favored under standard conditions at 267 K. Assume that H°rxn and S°rxn are independent of temperature.

Answer :

The value of standard Gibbs free energy is, 60.8 kJ

This reaction is reactant favored under standard conditions at 267 K.

Explanation :

As we know that,

where,

= standard Gibbs free energy  = ?

= standard enthalpy = 98.8 kJ = 98800 J

= standard entropy = 142.5 J/K

T = temperature of reaction = 267 K

Now put all the given values in the above formula, we get:

As we know that:

A reaction to be spontaneous when and reaction will be favored in the forward direction that means favored in products.A reaction to be non-spontaneous when and reaction will be favored in the backward direction that means favored in reactants.

As, the value of is more than zero that means the reaction is non-spontaneous and reaction will be favored in the backward direction that means favored in reactants.

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water