Chemical EquilibriumMedium

Question

For the reaction NH2COONH4(s) $\rightleftharpoons$2NH3(g) + CO2(g), KP = 3.2 × 10−5 atm3. The total pressure of the gaseous products when sufficient amount of reactant is allowed to achieve equilibrium is

Options

A.0.02 atm
B.0.04 atm
C.0.06 atm
D.0.095 atm

Solution

$K_{p} = (2p)^{2}.p \Rightarrow P = \left( \frac{3.2 \times 10^{- 5}}{4} \right)^{1/4} = 0.02$

∴ Total pressure = 2P + P = 0.06 atm

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