Following reaction occurring in an automobile
2C2H18 (9) + 2502(g) → 16CO2(g) + 18H20 (9). The
sign of AH, AS and AG would be
(1) - + +
(2) +, +, -
(3) + - +
(4) - + -
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Answer:Change in moles of gases,that means the sum of no of moles gases product minus the sum of product of gases reactant
34-27=7
Explanation:
It is combustion reaction so change in enthalpy must be negitive for all combustion reactions
No of moles increase, towards product side ,so, change in entropy must be positive, entropy increase,the randomness increase as the no of moles increase
Change in Gibbs energy is negitive ,,,why because all combustion reaction are spontaneous
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