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Using the data in this table of the thermodynamic quantities for selected substances and given the pressures listed, calculate ƒ¢G at 25‹C for each of the following reactions

(a) N2(g) + 3 H2(g) ¨ 2 NH3(g)

PN2 = 2.0 atm, PH2 = 5.4 atm, PNH3 = 2.2 atm

how do i calculatethis ?

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