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In order to decompose 9 grams of water 1...

In order to decompose 9 grams of water 142.5 KJ heat is required. Hence the enthalpy of formation of water is

A

`+142.5KJ`

B

`-142.5KJ`

C

`+285KJ`

D

`-285KJ`

Text Solution

Verified by Experts

The correct Answer is:
D
`9gmrarr142.5KJ`
`18gmrarr?`
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