1.

The value of gas constant R in joules is :

Answer»

8.314 `JK^(-1) mol^(-1)`
0.0821 `JK^(-1) mol^(-1)`
`8.314 XX 10^(7) JK^(-1) mol^(-1)`
`1.99 JK^(-1) mol^(-1)`

Answer :A


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