1.

Consider the reaction, C(s)+O_(2)(g)toCO_(2)(g)+393.5kJ, the signs of DeltaH,DeltaS and DeltaG respectively are

Answer»

`+,-,-`
`-,+,+`
`-,-,-`
`-,+,-`

SOLUTION :`DeltaH=-ve"(COMBUSTION REACTION)"`
`DeltaS=+ve"(SPONTANEOUS at all TEMPERATURE)"`
`DeltaG=-ve""`(`because` reaction is spontaneous)


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