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What is the heat of reaction into kJ? H₂(g)+Br₂(g)➝2HBr(g)
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What is the heat of reaction into kJ? H₂(g)+Br₂(g)➝2HBr(g)
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Feb 28, 2023
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What is the heat of reaction into kJ?
H₂(g)+Br₂(g)➝2HBr(g)
Chemistry
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Zef Hemel
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see the attached file!!!
Zerobandwidth
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Mar 5, 2023
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1) H₂(g)+Br₂(g)➝2HBr(g) has a heat of reaction of ___ kJ. 2)CH₄(g)+I₂(g)➝CH₃I(g)+HI(G) has a heat of reaction of ___kj. 3)N₂H₄(I)+O₂(g)➝N₂(g)+ 2 H₂O(g) has a heat of reaction of __kj.
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Using the following data reactions: ΔH°(kJ) H₂(g) + Br₂(g) → 2HBr(g) -103; H₂(g) → 2H(g) 432; Br₂(g) → 2Br(g) 193. Calculate the energy of an H-Br bond. a) -119 kJ b) -340 kJ c) -235 kJ d) -289 kJ
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Use bond energies to estimate the enthalpy of formation of HBr(g). H₂(g) + Br₂(g) 2HBr(g) BE(H—H) = 436 kJ/mol BE(Br—Br) = 192 kJ/mol BE(H—Br) = 366 kJ/mol a. +262 kJ b. –52 kJ c. –104 kJ d. +104 kJ e.
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