Question

Calculate the for the following reaction using Hess's Law: Fez 03 (s) + 3 CO (g) → 2 Fe (s) + 3 CO2 (g) For each blank place, what action must be taken in order to achieve the answer. (For instance, if you need to reverse the reaction, place reverse or (-). If you need to multiply it by a value, place multiply by (number) or X(number).) In Blank #1, place state "I understand." 2 Fe (s) + .2 kJ 02 (g) → Fe2O3 (s) Hixn = – 824 CO (g) + O2 (g) → CO2 (8) A Hixn = - 282. 7 kJ In the following blank, place the answer to the calculation for the reaction above.

Answer 1

In second reaction coffectient of O2 is incorrect .it should be 2/3 in order to balance the reaction.

i have shown the calculations .
2 - Fe 03-(3) m = -824 kJ 2 Fe (s) + Reverse Rood Fedz (s) - 2 Fe (s) + 2 0,0 Ah n = 824.2 KS sign will . Cola) + 20 (9) Co (9. Allein = -282.7 kJ Multiply 3 - 3co (g) + 20 (1) + 3 CO₂ (91) Han = =848.1 kl. - also multiplied Add ① s We get Feroz (s) + 3 Co(a) a fe (s) + 3 Co. A Man = -848.1 +824.27 = 23.961] By 3)
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