Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g)-C4H10(g) AH = -125.6 kJ (2) C₂H4(g) 2C(s) + 2H₂(g) AH = -52.3 kJ what is the standard enthalpy change for the reaction: (3) 2C₂H4(g) + H₂(g) C4H10(g) AH° = ? Submit Answer kj Retry Entire Group R 8 more group attempts remaining values

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Given the standard enthalpy changes for the following two reactions:
(1) 4C(s) + 5H₂(g)-C4H10(g)
AH = -125.6 kJ
(2) C₂H4(g)-2C(s) + 2H₂(g)
AH° = -52.3 kJ
what is the standard enthalpy change for the reaction:
(3) 2C₂H4(g) + H₂(g) C4H10(g) AH° = ?
4
Submit Answer
R
F4
F
%
5
F5
T
kj
#tv
Retry Entire Group 8 more group attempts remaining
G
^
[Review Topics]
[References]
Use the References to access important values if needed for this question.
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Transcribed Image Text:J Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g)-C4H10(g) AH = -125.6 kJ (2) C₂H4(g)-2C(s) + 2H₂(g) AH° = -52.3 kJ what is the standard enthalpy change for the reaction: (3) 2C₂H4(g) + H₂(g) C4H10(g) AH° = ? 4 Submit Answer R F4 F % 5 F5 T kj #tv Retry Entire Group 8 more group attempts remaining G ^ [Review Topics] [References] Use the References to access important values if needed for this question. 6 MacBook Air F6 H & 1 7 F7 U 8 ▷II FB 1 ( 9 K F9 O ) O F10 L Previous 11 + = Next Save an 1 FI L
Given the standard enthalpy changes for the following two reactions:
ΔΗ° =
4
what is the standard enthalpy change for the reaction:
R
Submit Answer
(1) 2Zn(s) + O₂(g) → 2ZnO(s)
(2) Zn(s) + Cl₂ (g) → ZnCl₂ (s)
F4
F
(3) 2ZnCl₂ (s) + O2(g) → 2ZnO(s) + 2Cl2 (g)
AH° = ?
%
5
kj
F5
[Review Topics]
[References]
Use the References to access important values if needed for this question.
Retry Entire Group 8 more group attempts remaining
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6
MacBook Air
F6
H
&
7
AH = -696.6 kJ
AH = -415.0 kJ
2
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Transcribed Image Text:Given the standard enthalpy changes for the following two reactions: ΔΗ° = 4 what is the standard enthalpy change for the reaction: R Submit Answer (1) 2Zn(s) + O₂(g) → 2ZnO(s) (2) Zn(s) + Cl₂ (g) → ZnCl₂ (s) F4 F (3) 2ZnCl₂ (s) + O2(g) → 2ZnO(s) + 2Cl2 (g) AH° = ? % 5 kj F5 [Review Topics] [References] Use the References to access important values if needed for this question. Retry Entire Group 8 more group attempts remaining T tv G ^ 6 MacBook Air F6 H & 7 AH = -696.6 kJ AH = -415.0 kJ 2 F7 U * 00 8 J DII F8 ( 9 F9 K 0 DO J F10 ,! Previous + Next Save an 11
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