Homework Help: Chemistry

Posted by Anonymous on Tuesday, March 17, 2009 at 10:50pm.

For the system, H2(g)+X2(g) <-> 2HX(g) Kc=24.4 at 300K. A system was charged with 1 mole of H2 and 1 mole of I2 in a 3 liter container. The catalyst was introduced using a remote unit, and the system was allowed to come to equilibrium. How many moles of H2 will be present when the system reaches equilibrium?

Chemistry - DrBob222, Tuesday, March 17, 2009 at 11:32pm
You have the equation.
Convert 1 mol to molarity. 1 mole/3 liters.
Set up an ICE chart, plug in the numbers and solve for the unknown. Subtract from 1/3 to find how much H2 remains after equilibrium is established, then multiply by 3 L to find moles H2.

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