Question

what is environment
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Answer 1

The area in which you live and work is called environment

hope it will help u

Answer 2

Before getting into free energy change calculations a little digression.

If the criteria for a feasible reaction is ΔStot >0 and ΔG<0 what is ΔG? and what is the connection between them?

PLEASE NOTE that you do not need to be able to derive the Gibbs free energy equation but I think it is important you realise there is a direct connection with the entropy expressions and that delta G expressions have not been pulled out of a hat!

From above and substituting: ΔSθtot = ΔSθsys –ΔHθsys/T, then multiplying through by T gives

TΔSθtot = TΔSθsys –ΔHθsys, then changing signs throughout g

–TΔSθtot is called the Gibbs Free Energy change denoted by