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Greenhouse gas CO(2) can be converted to...

Greenhouse gas `CO_(2)` can be converted to `CO(g)` by the following reaction
`CO_(2)(g)+H_(2)(g) rarr CO_(2)+H_(2)O(g)` , termed as water gas reaction.
Calculate `DeltaG` for the reaction at 1000K `(DeltaH_(1000K)=35040 J "mol"^(-1) DeltaS_(1000K) =32.11 J "mol"^(-1)K^(1))`.

Text Solution

Verified by Experts

The correct Answer is:
`DeltaG=DeltaH-TDeltaS " " therefore DeltaG=35040- 1000 xx 32.11=2930 J`
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Greenhouse gas CO_(2) can be converted to CO(g) by the following reaction CO_(2)(g)+H_(2)(g) rarr CO_(2)+H_(2)O(g) , termed as water gas reaction. Calculate equilibrium constants K_(p) for the water gas reaction at 1000K .H=35040J/mol & S=32.11J/ mol/k

Greenhouse gas CO_(2) can be converted to CO(g) by the following reaction CO_(2)(g)+H_(2)(g) rarr CO_(2)+H_(2)O(g) , termed as water gas reaction. Calculate DeltaH at 1400 K using the given data for 1000K , assuming the C_(p)^(@) values remain constant in the given temoerature range. DeltaH=35040 J"mol"^(-1), C_(p)^(@)(CO_(2))=(42.31 + 10.09 xx 1^(-3)T) J "mol"^(-1)K_(1) C_(P)^(@)(H_(2))=(27.40 + 3.20 xx 10^(-3)T) J"mol"^(-1)K_(1) C_(P)^(@)(CO)=(28.34+ 4.14 xx 10^(-3)T)J"mol"^(-1)K^(-1) C_(P)^(@)(H_(2)O)=(30.09 + 10.67 xx 10^(-3)T)J"mol^(-1)K^(-1)

Knowledge Check

  • K_p/K_c for following reaction will be CO_(g)+1/2 O_(2(g)) to CO_(2(g))

    A
    RT
    B
    `1/(RT)`
    C
    `1/sqrt(RT)`
    D
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  • For the reaction CO(g) + 0.5O_(2)(g) rarr CO_(2)(g) K_(P)//K_(c) is equal to

    A
    `sqrt(RT)`
    B
    `1/sqrt(RT)`
    C
    1
    D
    `RT^(2)`

  • Consider the following reaction : CO_((g))+(1)/(2)O_(2(g)) rarr CO_(2(g)) How are Delta U and DeltaH related for the reaction ?

    A
    `DeltaH = DeltaaU-0.5RT`
    B
    `DeltaH=DeltaU-RT`
    C
    `DeltaH=DeltaU+0.5RT`
    D
    `DeltaH=DeltaU-1.5RT`

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