Chem 1312 name : . 08/03/2019 o a cal a barthe reacti ch 30, 200, ch, 20, 2co, h. + 1/2o, hod 2100 hod n the bollowing 1411. mode ah 1560. ole 25. /mol so, () - 4 no (r) + 6 ilog, from the calculate al for the reaction 4 nilo ah--1805 kj ny +o, 2 no() n; (g) + 3 f () ► nh ah-91nj ) 2 h, (g) +06) 2 160) ah -483.6 kj 3. find ah for actie acid, hc, h,o, using the following thermochemical data. hc, h,o, (1) +20 ) ► 2co () +2 ilo (1) al--875. /mole cs graphite) + o. () co, usa ah--394.51 kj/mole 16() + 1/20 () - hoi ah -285,8 kj/mole 4. calculate for the reaction ch (8) + nh (8) hcn (b) +31 (s), from the reactions. n; (e) + 3 h (8) ► nh() ah -91.8 kj c(s, graphite) + 2 h (b) -ch(c) ah --74.9 kj/mole hz (ⓡ) +2c (s, graphite) +nz (8) ► hcnⓡ ah - +270.3 kj more at the back