At 445°C, Kc for the following reaction is 0.020. 2 HI(g) <->H, (g) +1, (g) A...
please explain how you got your answers Multiple Choice Please write your name as it appears on UAOnline. Each question is worth 5 points each. Identify the choice or fill in the blank that best completes the statement or answers the question. Always show your work! 1. Write out equilibrium constant expression (K) for the following reaction: Co (CO),(s) 2Co (aq) + 300, (aq) 2. Calculate K, for the following reaction given the equilibrium concentrations of IPCI: [PCG) = 1.2...
Consider the following reaction where Kc = 55.6 at 698 K: H2(g) + I2(g) --- 2HI(g) A reaction mixture was found to contain 2.56×10-2 moles of H2(g), 3.71×10-2 moles of I2(g) and 0.257 moles of HI(g), in a 1.00 Liter container. Indicate True (T) or False (F) for each of the following: ___TF 1. In order to reach equilibrium HI(g) must be produced. ___TF 2. In order to reach equilibrium Kc must increase. ___TF 3. In order to reach equilibrium...
11.At a certain temperature Kc =25 and a reaction vessel contains a mixture with the following concentrations: [H.] =0.10 M, [Br.] =0.10 Mand (HBr] =0.50 M. Which of the following statements concerning the reaction and the reaction quotient, Q. is true? H2(g) + Br(g) 2HBr(g) a. Q=K b. Q<Kc, more HBr will be produced. c. (<Kc; more H2 and Br, will be produced d. O> Kc; more HBr will be produced. e. Q> Kc; more H, and Brą will be...
Consider the following reaction: H2 (g) + I2 (g) ⇌ 2 HI (g) Complete the following table. Assume that all concentrations are equilibrium concentrations in M. T(∘C) [H2] [I2] [HI] [Kc] 25 0.0355 0.0388 0.922 − 340 − 4.55×10−2 M 0.384 M 90.6 445 4.90×10−2 M 4.74×10−2 M − 50.2 Find Kc at 25 ∘C. Find [H2] at 340 ∘C. Find [HI] at 445 ∘C.
Consider the following system at equilibrium where H° = 10.4 kJ, and Kc = 1.80×10-2, at 698 K: 2HI(g) =H2(g) + I2(g) If the TEMPERATURE on the equilibrium system is suddenly decreased: The value of Kc A. Increases B. Decreases C. Remains the same The value of Qc A. Is greater than Kc B. Is equal to Kc C. Is less than Kc The reaction must: A. Run in the forward direction to restablish equilibrium. B. Run in the reverse direction...
Consider the following reaction where Kc = 55.6 at 698 K: H2(g) + I2(g) <------>2HI(g) A reaction mixture was found to contain 4.14×10-2 moles of H2(g), 3.91×10-2 moles of I2(g) and 0.258 moles of HI(g), in a 1.00 Liter container. Indicate True (T) or False (F)for each of the following: ___TF 1. In order to reach equilibrium HI(g) must be consumed. ___TF 2. In order to reach equilibrium Kc must decrease. ___TF 3. In order to reach equilibrium H2 must...
The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K. H2 (g) + I2 (g) ---> 2 HI (g) Calculate the equilibrium concentrations of reactants and product when 0.301 moles of H2 and 0.301 moles of I2 are introduced into a 1.00 L vessel at 698 K. [ H2 ] = _______ M [ I2 ] = ________ M [ HI ] = _______ M
At a certain temperature Kc = 25 and a reaction vessel contains a mixture with the following concentrations: [H2] = 0.10 M, [Br2] = 0.10 M and [HBr] = 0.45 M Which of the following statements concerning the reaction and the reaction quotient Q, is true? A. Q<Kc; more H2 and Br2 will be produced B. Q<Kc; more HBr will be produced
The equilibrium constant for the reaction: H2(g) + I2(g) <--> 2HI(g) is 54 at 700 K. A mixture of H2, I2 and HI, each at 0.020 M, was introduced into a container at 700 K. Which of the following is true? At equilibrium, [H2] = [I2] = [HI]. No net change occurs because the system is at equilibrium. The reaction proceeds to the left producing more H2(g) and I2(g). The reaction proceeds to the right producing more HI(g). At equilibrium,...
Please answer all six thanks 1) The equilibrium constant for the following reaction is 2.90×10-2 at 1.15×103K. 2SO3(g) ------------------->2SO2(g) + O2(g) If an equilibrium mixture of the three gases in a 17.3 L container at 1.15×103K contains 0.437 mol of SO3(g) and 0.422 mol of SO2, the equilibrium concentration of O2 is M. 2) A student ran the following reaction in the laboratory at 1100 K: 2SO3(g) -------------------->2SO2(g) + O2(g) When she introduced 7.74×10-2 moles of SO3(g) into a 1.00 liter...