At 35 °C, K = 9.59x 10-2 for the reaction below. H₂ + Cl₂ 2 HCI In an experiment carried out at this temperature, the initial concentrations were: [H₂]0= [Cl₂]0= [HCI], = 0.500 mol L-1 What are the equilibrium concentrations? Give your answer in mol/L, accurate to 3 significant figures. Do not include units as part of your answer. [H₂Jeq = Number [Cl₂]eq = Number [HCI]eq = Number mol L-1 mol L-1 mol L-1

At 35 °C, K = 9.59x 10-2 for the reaction below. H₂ + Cl₂ 2 HCI In an experiment carried out at this temperature, the initial concentrations were: [H₂]0= [Cl₂]0= [HCI], = 0.500 mol L-1 What are the equilibrium concentrations? Give your answer in mol/L, accurate to 3 significant figures. Do not include units as part of your answer. [H₂Jeq = Number [Cl₂]eq = Number [HCI]eq = Number mol L-1 mol L-1 mol L-1

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Consider the equilibrium,2A + B C . At equilibrium, the following concentrations are measured:[A] = 0.242 mol L-1;[B] = 1.40 mol L-1;[C] = 0.279 mol L-1.Calculate the equilibrium constant, Kc.Hint: Enter a numerical value in the box below. Do not enter any units.
Using the small x approximation to solve equilibrium problems A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: 2 NO (g) + Cl, (g)=2NOCI (g) K,=4. x 10-6 He fills a reaction vessel at this temperature with 11. atm of nitrogen monoxide gas and 10. atm of chlorine gas. Use this data to answer the questions in the table below. O yes Can you predict the equilibrium pressure of NOCI, using only the tools available to you within ALEKS? O no If you said yes, then enter the equilibrium pressure of NOCI at right. Round your answer to 1 significant digit. atm
A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: N₂(g) + 2H₂O(g) → 2NO(g) + 2 H₂(g) K₂ = 7. × 10-⁹ He fills a reaction vessel at this temperature with 9.0 atm of nitrogen gas and 3.2 atm of water vapor. Use this data to answer the questions in the table below. Can you predict the equilibrium pressure of H₂, using only the tools yes available to you within ALEKS? O no If you said yes, then enter the equilibrium pressure of H₂ at right. Round your answer to 1 significant digit. 0 atm ☐ X
At a certain temperature, the reaction: PCl5(g) ⇆ PCl3(g) + Cl2(g) has an equilibrium constant Kc = 6.7E-6. Calculate the equilibrium concentration of PCl3 if only PCl5 is present initially at a concentration of 0.30 M. Your answer should have two significant figures.
NAME: COC12(g) has a 8. At 100.0°C, the equilibrium constant for the reaction: COg) + Cl2(g) value of 4.6 x 10°, If 0.40 mol of COC12 is placed into a 10.0 L flask at 100.0°C, what will be the equilibrium concentration of all species? (A simplifying approximation that will make the solution of the resulting equation easier is to note that X is much less than 0.040 mol/L. This means that 0.040-x is approximately 0.040.)
A chemical engineer is studying the following reaction: 2 NO(g)+2H,(9) - N2(9)+2H,0(g) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 2.0. The engineer charges ("fills") four reaction vessels with nitrogen monoxide and hydrogen, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction compound pressure expected change in pressure vessel ΝΟ 6.78 atm O f increase Ot decrease O (no change) H, 2.93 atm ↑ increase OI decrease O (no change) A N2 5.23 atm f increase I decrease (no change) H, O 7.24 atm t increase I decrease (no change) NO 5.29 atm f increase I decrease (no change) H, 1.44 atm f increase OI decrease (no change) В N2 5.98 atm increase I decrease (no change) H, O 8.73 atm f increase O I decrease O (no change)…
The equilibrium constant K. for the reaction H2(g) + Br2(g) == 2HB1(g) is 2.18 × 10° at 730°C. Starting with 3.20 moles of HBr in a 12.0-L reaction vessel, calculate the concentrations of H2, Br2, and HBr at equilibrium.
At a certain temperature, the reaction: PCl5(g) ⇆ PCl3(g) + Cl2(g) has an equilibrium constant Kc = 6.7E-6. Calculate the equilibrium concentration of PCl3 if only PCl5 is present initially at a concentration of 0.30 M. Your answer should have two significant figures.
Consider the following equilibrium: CO(g) + 3 H2(g)-CH4(g) + H2Og). If K, = 1.61 x 10-5 at 1400.0 K, calculate K. O 0.212 O 1.40 x 107 O 1.85 x 103 O 541 O 1.22 x 10-9 « Previous Next
Enter your answer in the provided box. In an analysis of the following reaction at 100°C, Br2(g) + Cl2(g) = 2BRCI(g) the equilibrium concentrations of the reactants were found to be [Br2] = 4.3 × 10 M and [Cl2] = 7.4 x 10 M. The equilibrium constant is K. = 7.1. Determine the value of [BrCI].
Consider the reaction A + B C+D, which has an equilibrium constant, K, equal to 3.4 x 102. If one begins a reaction by placing 0.600 moles of A in a 1.0 L container as well as 0.150 moles of 1. B, what will be the equilibrium concentrations of A, B, C, and D? Write your answers in the spaces provided below. a. [А] b. [B]= [C]= С. d. [D]= Once the reaction in problem 1 reaches equilibrium, some additional B is injected into the flask 2. from an outside source. LeChatelier's principle says the reaction will (circle one): be unchanged shift to the right shift to the left Pyridine is a weak base with a Kb 1.7 x 109. If 0.300 moles of pyridine is added to 1.00 L of 3. water, what will be the equilibrium concentrations of the species below: a. [Pyridine] = b. [Pyridine-H] (the pyridinium ion) [ОН-] 3 С. What is the pH of the solution in problem 4 (above)? .
The reaction SO,Cl,(g) 2 SO2(g) + Cl,(g) has an equilibrium constant at 100°C of 2.40. Calculate the concentration of SO, that will be present at 100°C in equilibrium with SO2C1, (at a concentration of 3.6 x 10-4 mol L-1) and chlorine (at a concentration of 6.9 × 10-3 mol L¯1).