Answer to Question #220234 in General Chemistry for che

Question #220234


Given the standard enthalpy changes for the following two reactions:


(1) 4C(s) + 5H2(g)C4H10(g)...... ΔH° = -125.6 kJ


(2) C2H4(g)2C(s) + 2H2(g)......ΔH° = -52.3 kJ


what is the standard enthalpy change for the reaction:


(3) 2C2H4(g) + H2(g)C4H10(g)......ΔH° = ?



1
Expert's answer
2021-07-26T06:33:45-0400

(3)       2C2H4(g) + H2(g) ----> C4H10(g)

ΔrH° = ΔfH°(C4H10) – 2ΔfH°(C2H4) – ΔfH°(H2) = ΔfH°(C4H10) – 2ΔfH°(C2H4) = –125.6 kJ – 2×52.3 kJ = –230.2 kJ.

ΔrH° = –230.2 kJ.


Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

Ask Your question

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS