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# Equilibrium Problem

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Part A: If we start with 0.500 moles of H2 (subscript) and 0.500 moles of I2 (subscript) in a 5.25 L reaction vessel at 698 K, how many moles of each of the three gases will be present at equilibrium?

Equation:
H2(subscript) + I2(subscript) <--> 2HI

KEQ= 54.3 at 698 K

Part B: The same set up as part A, but this time start with 0.800 moles of H2 (subscript).

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#### Solution Preview

Chemical equilibrium is reached when the RATE of the forward reaction equals the RATE of the reverse reaction.

1. Write out the balanced equation for a reaction.

2. List any pertinent information given to ...

#### Solution Summary

Chemical equilibrium is reached when the RATE of the forward reaction equals the RATE of the reverse reaction.

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