# Problem: Consider the following system at equilibrium.H2 (g) + I2 (g) ⇌ 2 HI (g) + heatWhich response includes all the following that will shift the equilibrium to the left, and no others?I) increasing the temperatureII) decreasing the temperatureIII) increasing the pressureIV) decreasing the pressureV) removing some HIVI) adding some HIVII) removing some I2VIII) adding some I21. II, IV, VII, and VIII only2. I, VI, and VII only3. I, III, V, and VII only4. II, V, and VIII only5. II only

###### Problem Details

Consider the following system at equilibrium.
H(g) + I(g) ⇌ 2 HI (g) + heat

Which response includes all the following that will shift the equilibrium to the left, and no others?

I) increasing the temperature
II) decreasing the temperature
III) increasing the pressure
IV) decreasing the pressure
V) removing some HI
VII) removing some I2

1. II, IV, VII, and VIII only

2. I, VI, and VII only

3. I, III, V, and VII only

4. II, V, and VIII only

5. II only

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Le Chatelier's Principle concept. You can view video lessons to learn Le Chatelier's Principle . Or if you need more Le Chatelier's Principle practice, you can also practice Le Chatelier's Principle practice problems.

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Our tutors rated the difficulty ofConsider the following system at equilibrium.H2 (g) + I2 (g)...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Bliem's class at UNC.