HolE4b. The standard enthalpy of reaction of the following reactions are provided below.2H2(g) +02(g)2H20(I) AH = -571.6 kjS(s)+ H2(g) +202(g) H2SO4() AH-814.0 k]2SO3(g) 02(g)+2SO2 (g) AH 196.6 kSO2(g) 02(g) +S(s) AH = 296.84 kJPlease calculate AH of the following reaction.so3 (g) + H20()H2SO,(I)E4c. Please calculate AH (the standard enthalpy of reaction) of reaction (5).CH&(g)+202(g) = CO2(g) + 2H20(g) AHn -802.34 kJ (1)=-136.98 k] (2)C2H4(g)+H2(g) = C2H6(g) AHOn=-483.64 kl (3)O2(g) + 2H2(g) = 2H20(g) AH4C02(g) + 6H20(g) AHOn = -2855.56 kJ (4)2C2H6(g) +702(g)H2(g) +C2H6(g) (5)2CH (g)

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Asked Nov 8, 2019
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How do you do E4b?

Hol
E4b. The standard enthalpy of reaction of the following reactions are provided below.
2H2(g) +02(g)2H20(I) AH = -571.6 kj
S(s)+ H2(g) +202(g) H2SO4() AH-814.0 k]
2SO3(g) 02(g)+2SO2 (g) AH 196.6 k
SO2(g) 02(g) +S(s) AH = 296.84 kJ
Please calculate AH of the following reaction.
so3 (g) + H20()
H2SO,(I)
E4c. Please calculate AH (the standard enthalpy of reaction) of reaction (5).
CH&(g)+202(g) = CO2(g) + 2H20(g) AHn -802.34 kJ (1)
=-136.98 k] (2)
C2H4(g)+H2(g) = C2H6(g) AHOn
=-483.64 kl (3)
O2(g) + 2H2(g) = 2H20(g) AH
4C02(g) + 6H20(g) AHOn = -2855.56 kJ (4)
2C2H6(g) +702(g)
H2(g) +C2H6(g) (5)
2CH (g)
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Hol E4b. The standard enthalpy of reaction of the following reactions are provided below. 2H2(g) +02(g)2H20(I) AH = -571.6 kj S(s)+ H2(g) +202(g) H2SO4() AH-814.0 k] 2SO3(g) 02(g)+2SO2 (g) AH 196.6 k SO2(g) 02(g) +S(s) AH = 296.84 kJ Please calculate AH of the following reaction. so3 (g) + H20() H2SO,(I) E4c. Please calculate AH (the standard enthalpy of reaction) of reaction (5). CH&(g)+202(g) = CO2(g) + 2H20(g) AHn -802.34 kJ (1) =-136.98 k] (2) C2H4(g)+H2(g) = C2H6(g) AHOn =-483.64 kl (3) O2(g) + 2H2(g) = 2H20(g) AH 4C02(g) + 6H20(g) AHOn = -2855.56 kJ (4) 2C2H6(g) +702(g) H2(g) +C2H6(g) (5) 2CH (g)

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Step 1

Given reactions are :

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2 H2 (g)O2 (g)»2 H20 (l AH -571.6 kJ ......(1) S (s) H2 (g)2 O2 (g)H2SO4 (l) AH814.0kJ ......(2) 2 SO3 (g) AH 196.6 kJ ......(3) O2 (g)2 SO2 (g) SO2 (g)O2 (g)S (s) AH 296.84 kJ .....(4)

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Step 2

Reversing equation (1) and dividing by 2, the enthalpy value will change in sign and get divided by 2, we get,

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Step 3

Dividing equation (3) by 2, so the enthalpy...

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O2 (g)+ SO2 (g) ....(6) AH= 98.3 kJ SO3 (g) _

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