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- R 164G what is Grace 6 → LOAN Chapter X G wurde Fe Cusers/arna/Downloads/Chapter 209%20HW. C 27. Using the bond energies de
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(a) H₂(g) + Br₂(g) → 2 HBr (9) enthalphy change = En (bond of reactant) - Em (bund of product] H₂(g) → H-1 Br₂ (S) - Bo-By 2b) Сич + I, — см, г + иг Сич Ни - с - и эч (с-н) T, - т-т сит - - С-т 3 (-и) + (-1) Нt - и-т DHg = BE( Reactant) - BEl producC2H4 + 302 20₂ +240 Reactent Cally → 4(6-H) + (c=0) 30₂ 310=0) Product 2002 - 4(CO) 0 2₂0 - 4 (0-H) --I) D = BE (product) BE

put the given bond energy values you will get answer.

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