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Given C (graphite) + O(2) (g) to CO(2) (...

Given C (graphite) `+ O_(2) (g) to CO_(2) (g) Delta ""_(r) H^(0) = -393.5 k J * mol^(-1)`
`H_(2) (g) + (1)/(2) O_(2) (g) to H_(2) O (l) , Delta ""_(r) H^(0) = -285.8 kJ * mol^(-1)`
`CO_(2) (g) + 2 H_(2) O(l) to CH_(4) + 2 O_(2) (g) , Delta ""_(r)H^(0) = + 890 . 3 kJ * mol^(-1)`
Based on the above thermochemical equations , the value of `Delta ""_(r) H^(0)` at 298 K for the reation C(graphite) + `2 H_(2) (g) to CH_(4) (g)` will be -

A

`-74.8 kJ * mol^(-1)`

B

`-144.0 kJ * mol^(-1)`

C

`+ 74. 8 kJ * mol^(-1)`

D

`+ 144.0 kJ * mol^(-1)`

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