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Calculate the work done (in J) when 4.5 ...

Calculate the work done (in J) when 4.5 g of `H_(2)O_(2)` reacts against a pressure of 1.0 atm at `25^(@)C` `2H_(2)O_(2)(l)rarr O_(2)(g) +2H_(2)O(l)`

A

`-1.63 xx 10^(2)`

B

`4.5 xx 10^(2)`

C

`3.2 xx 10^(2)`

D

`-6.1 xx 10^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`w=-Deltan_(g)RT=(-4.5 )/(34xx2)xx8.314 xx298`,
`w=-163.9 J`
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