1.

The heats of combustion of rhombic and monoclinic sulphur are respectively 70960 and 71030 calories. What will be the heat of conversion of rhombic sulphur to monoclinic

Answer»

70960 CALORIES
71030 calories
`- 70` calories
`+ 70` calories

Solution :S (rhombic) `+O_(2)rarrSO_(2), DeltaH=70960 " CAL....(i)"`
`S ("monoclinic") +O_(2)rarrSO_(2), DeltaH=71030 " cal....(ii)"`
AIM: S (rhombic) `rarr` S (monoclinic)
eq. (i)- eq. (ii) gives the required RESULT.


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