Phosgene gas (COCl2) is a highly toxic chemical. 3.00 x 102 mol of the gas was placed in a 1.50-L container. It was heated to 800K. An equilibrium is established:

COCl2 (g) ⇄ 2CO(g) + Cl2(g)
The equilibrium pressure of CO was 0.497 atm. Calculate
the equilibrium constant Kc and Kp.

Question

Phosgene gas (COCl2) is a highly toxic chemical. 3.00 x 102 mol of the gas was placed in a 1.50-L container. It was heated to 800K. An equilibrium is established:

COCl2 (g)   ⇄  2CO(g)  +  Cl2(g)
	The equilibrium pressure of CO was 0.497 atm. Calculate 
the equilibrium constant Kc and Kp.

anonymous · Answer

help please

jfraser · Answer

At equilibrium, you have lost some of the phosgene, but formed some CO and Cl2. There will be a stoichiometric relationship between the amount of CO formed, amount of Cl2 formed, and the amount of COCl2 lost. Start there

anonymous · Answer

its working please??

jfraser · Answer

I don't know what you're asking

anonymous · Answer

Kc and Kp working..how to calculate its.. can you show me??

jfraser · Answer

equilibrium constants always have the same general form. WIth a general equation of $aA + bB \rightleftharpoons cC + dD$, the equilibrium expression is$$K = \frac{C]^c*[D]^d}{[A]^a*[B]^b}$$ If the values we have are given in concentrations, we call it Kc. If the values we have are given in pressures, we call it Kp. You need to find the concentrations of all the reactants and all the products once equilibrium has been established, then substitute into a K equation like the one above and solve