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For a gas reaction ,3H2(g)+N2(g)hArr 2NH...

For a gas reaction ,`3H_2(g)+N_2(g)hArr 2NH_3(g)` , the partial pressures of `H_2 and N_2` are 0.4 and 0.8 atmosphere , respectively at equilibrium . The total pressure of the entire system is 2.8 atmosphere. What will be the value of `k_p` if all the concentrations are given in atmospheres ?
`N_2(g) +3H_2(g)hArr 2NH_3(g)`

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