im having trouble with this AP chemistry equilibrium problems could I have help? 19)2NOBr(g) <=> 2NO(g) + Br2(g)A sample of NOBR gas was placed in a container fitted with a frictionlessmassless piston and the following equilibrium was reached. The initial density ofthe system was 4.495g/L. The density at equilibrium was 4.086g/L.Calculate the equilibrium constant at the reaction temperature.Assuming constant temperature, if inert argon gas is added to the system whatwould happen to the position of the equilibrium? ExplainWhat would happen to the equilibrium constant?20) For the reactionNH3(g) + H2S(g) <=> NH4HS(g) K= 400 at 35°C.If 2.00mol of NH3, H2S and NH4HS are placed in a 5.0L container and allowedto reach equilibrium, what will be the mass of NH4HS present?

Answered: 2NOBr(g) <=> 2NO(g) + Br2(g) A sample…

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im having trouble with this AP chemistry equilibrium problems could I have help?

19)
2NOBr(g) <=> 2NO(g) + Br2(g)
A sample of NOBR gas was placed in a container fitted with a frictionless
massless piston and the following equilibrium was reached. The initial density of
the system was 4.495g/L. The density at equilibrium was 4.086g/L.
Calculate the equilibrium constant at the reaction temperature.
Assuming constant temperature, if inert argon gas is added to the system what
would happen to the position of the equilibrium? Explain
What would happen to the equilibrium constant?
20) For the reaction
NH3(g) + H2S(g) <=> NH4HS(g) K= 400 at 35°C.
If 2.00mol of NH3, H2S and NH4HS are placed in a 5.0L container and allowed
to reach equilibrium, what will be the mass of NH4HS present?

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A chemical reaction attains equilibrium when the rate of both forward and reverse reactions becomes equal. The concentrations of the reacting species and product are constant at this equilibrium state.

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