option A Hydrogen will have the greatest rate of effusion beacuse it has the least mass among all
Answer: The equilibrium concentration of
at 700 degrees Celsius is 0.0012 M
Explanation:
Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as 
Moles of
= 0.29 mole
Volume of solution = 3.0 L
Initial concentration of
= 
The given balanced equilibrium reaction is,

Initial conc. 0.097 M 0M 0M
At eqm. conc. (0.097-2x) M (2x) M (x) M
The expression for
is written as:
![K_c=\frac{[H_2]^2\times [S_2]}{[H_2S]^2}](https://tex.z-dn.net/?f=K_c%3D%5Cfrac%7B%5BH_2%5D%5E2%5Ctimes%20%5BS_2%5D%7D%7B%5BH_2S%5D%5E2%7D)



Equilibrium concentration of
= 2x= 
This is likely the phase change from solid to gas, or sublimation. Gas molecules have more random motion and higher kinetic energies than liquid molecules, so the change is sublimation.
What are you drawing lol ... just use orange,red, and yellow on-top of each other