7. nh2co2nh4(s) when heated to 450 k undergoes the following reaction to produce a system which reaches equilibrium: nh2co2nh4(s) ⇀↽ 2 nh3(g) + co2(g) the total pressure in the closed container under these condition is found to be 0.843 atm. calculate a value for the equilibrium constant, kp. a) 0.00701 b) 0.0888 c) 0.222 d) 0.599

Value of equilibrium constant is 0.0888

Explanation:

Both and are gaseous. Hence equilibrium constant depends upon partial pressures of and .

Initially no and were present.

Hence mole fraction of and at equilibrium can be calculated from coefficient of and in balanced equation.

Mole fraction of = (number of moles of )/(total number of moles of and ) =

Mole fraction of = (number of moles of )/(total number of moles of and ) =

Let's assume both and behaves ideally.

Therefore partial pressure of , and P_{CO_{2}}= x_{CO_{2}}.P_{total}

Where x represents mole fraction

So,

So,

answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).

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