In order to study hydrogen halide decomposition, a researcher fills an evacuated 1.1 L flask with 0.457 mol of HI gas and allows the reaction to proceed at 439°C: 2HI (g) = H₂(g) + 12(g) At equilibrium, the concentration of HI = 0.055 M. Calculate K. Enter to 4 decimal places. HINT: Look at sample problem 17.6 in the 8th ed Silberberg book. Write a Kc expression. Find the initial concentration. Fill in the ICE chart. Put the E (equilibrium) values into the K, expression.

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Question 1
In order to study hydrogen halide decomposition, a researcher fills an evacuated 1.1 L flask with
H₂(g) + 12(g)
0.457 mol of HI gas and allows the reaction to proceed at 439°C: 2HI(g)
At equilibrium, the concentration of HI = 0.055 M. Calculate Kc. Enter to 4 decimal places.
HINT: Look at sample problem 17.6 in the 8th ed Silberberg book. Write a K, expression. Find the
initial concentration. Fill in the ICE chart. Put the E (equilibrium) values into the K, expression.
(MTS 5/16/2018)
1
13.0518
Transcribed Image Text:Question 1 In order to study hydrogen halide decomposition, a researcher fills an evacuated 1.1 L flask with H₂(g) + 12(g) 0.457 mol of HI gas and allows the reaction to proceed at 439°C: 2HI(g) At equilibrium, the concentration of HI = 0.055 M. Calculate Kc. Enter to 4 decimal places. HINT: Look at sample problem 17.6 in the 8th ed Silberberg book. Write a K, expression. Find the initial concentration. Fill in the ICE chart. Put the E (equilibrium) values into the K, expression. (MTS 5/16/2018) 1 13.0518
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