Questions 3-5 referto the following: Hydrogen gas, iodine vapor, and hydrogen io

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Questions 3-5 referto the following: Hydrogen gas, iodine vapor, and hydrogen iodide gas are added to an evacuated flask until the concentrations of H2 and I2 are both 2.0 M and that of Huequals 8.0M HT (at 425° C, Kc-9.00) 2. H2(g) + 12(:) 2HI(:) Determine the value of Q A. B. 2.0 4.0 8.0 16 4. The reaction vessel is heated to 675°C, where the equilibrium concentration of HI is determined to be 6.0 M. What is the Ke value at 675°C? 4.0 9.0 24 36 C. D. Once the system reaches equilibrium at 675°C, additional H2 is added and the temperature is held constant. Which statement best describes how this affects the value of K? The value of K increases because the formation of products is favored The value of K decreases because the formation of reactants is favored C. The value of K remains unchanged because the temperature remained constant. The value of K cannot be determined until the equilibrium concentrations are determined.

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Questions 3-5 referto the following: Hydrogen gas, iodine vapor, and hydrogen io

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