Question

Name 8) Standard enthalpy of formation of nitrogen monoxide, NO, AHo-91.29 k]/mol Standard entropies Se O/K mol): N: 191.6, 0; 205.2; NO 210.76. Estimate the standard free energy c t Keg at 25 C for the change AanG& the equilibrium constan rxn: Choose from the following (circde one in each line, place your answers in the frames, & prove your estimations by explicit calculations): 1820 182 1.82 - 1.82 ArnGo(k)/mol) 1.33 1.33x10 0.93 0.42 Keg: Answer the following questions about the rxn in the previous problem: Is that rxn EXOTHERMIC or ENDOTHERMIC (circle one). Is that rxn spontaneous under standard conditions? YES No

Answer 1

CS) od Rxn 191-G + 2ος.2 E (2x 210.26 2xn △G--아-TOSo Gibb% _ Helm) hoftae5u.fi., From ナ91-29 ㅡ ㅋ .366 to 2 303 RT l0 8312 3 Lets chect the ejuetiari 2.303 xRx T (0.93 ) = lo
q
E Cli change in Gribbs enoy is increased C)