A student ran the following reaction in the laboratory at 531 K:\[ \text{PCl}_3 (g) + \text{Cl}_2 (g) \rightleftharpoons \text{PCl}_5 (g) \]When she introduced 0.0811 moles of \(\text{PCl}_3 (g)\) and 0.115 moles of \(\text{Cl}_2 (g)\) into a 1.00 liter container, she found the equilibrium concentration of \(\text{Cl}_2 (g)\) to be 0.0646 M.Calculate the equilibrium constant, \(K_c\), she obtained for this reaction.\[ K_c = \boxed{\phantom{K}} \] A student ran the following reaction in the laboratory at 427 K:\[ \text{PCl}_5(g) \rightleftharpoons \text{PCl}_3(g) + \text{Cl}_2(g) \]When she introduced 3.96 moles of \(\text{PCl}_5(g)\) into a 1.00 liter container, she found the equilibrium concentration of \(\text{Cl}_2(g)\) to be 0.0387 M.Calculate the equilibrium constant, \(K_c\), she obtained for this reaction.\[ K_c = \]

Answered: Image /qna-images/answer/2d09893a-3d8d-4d7b-b8b0-e21ec2663200.jpg

Answered: Tabo PC13 (g) + Cl₂ (g) ⇒ PC15 (9) she…

Tabo PC13 (g) + Cl₂ (g) ⇒ PC15 (9) she introduced 0.0811 moles of PC13 (9) and d the equilibrium concentration of Cl₂ (g) to be late the equilibrium constant, Kc, she obtained

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

Related questions

Q: Be sure to answer all parts. The equilibrium constant (K) for the formation of nitrosyl chloride, an…

A: Given that - For the following reaction - 2NO(g) + Cl2(g) -----> 2NOCl(g) Kc = 3×104 and…

Q: Suppose a 250. mL flask is filled with 1.8 mol of H, and 2.0 mol of NH,. This reaction becomes…

A: The solution is provided.

Q: Suppose a 250. mL flask is filled with 1.6 mol of NO,, 0.40 mol of CO and 1.4 mol of NO. The…

Q: Suppose a 500. mL flask is filled with 0.60 mol of N2 and 0.10 mol of NO. The following reaction…

A: We will first calculate the concentration(molarity) of given species. and using the ICE table we…

Q: Calculate the value of the equilibrium constant (Keq) for the following reaction: 2 CO (g) + 6 H2…

A: Recall the reaction for which value of equilibrium constantKeq is to be determined 2 COg + 6…

Q: Suppose a 500. mL flask is filled with 1.7 mol of H2 and 0.90 mol of NH3. This reaction becomes…

Q: The equilibrium system 2SO2(g)+ O2(g) = 2S03(g) is an exothermic reaction. Which change will result…

A: The correct option is:

Q: Consider the equilibrium system described by he chemical reaction below. For this reaction,

A: Solution- H2(s) + F2(g) ⇌ 2HF(g)at equili. 0.0021 0.0021 x…

Q: For the equilibrium Br2(g) ⇀↽ 2 Br(g) at 1000 K, K = 4.55. In a 1.00-L flask, 0.012 mol of Br2 is…

A: The equilibrium constant of a chemical reaction is the value of the reaction quotient when the…

Q: Calculatn Suppose a 500. mL flask is filled with 1.5 mol of H, and 0.80 mol of HI. The following…

A: We have to calculate the equilibrium concentration of Hydrogen gas.

Q: a) Calculate the equilibrium concentration of NO(g) in air at 1 atm pressure and 2000 °C. The…

A: Equillibrium constant is the ratio of concentaration of products to the concentration of reactants.

Q: Suppose a 250. mL flask is filled with 1.1 mol of N, and 1.3 mol of NO. This reaction becomes…

A: We are given the moles of N2 and NO and the volume of the solution, so we can calculate the…

Q: A chemist Is studying the following equilibirum, which has the glven equilibrium constant at a…

A: Given : Initial pressure of methane gas = 7 atm Since Kp of the reaction is very less so reaction…

Q: In the reaction 2NH,(g)=N,(g)+3H,(g), suppose that a closed vessel contains initially 1 350 mol of…

A: Given that : Initial moles of NH3 = 1.350 moles At equilibrium, moles of NH3 = 0.900 moles The…

Q: 2. For the following equilibrium equation, Fe* (aq) + SCN (aq) + (FESCN?] (aq) If the equilibrium…

A: Generally if K value is >> 1, then the reaction is product favoured but if it is <<1…

Q: Consider the reaction 3A(g)+2B(g) 2C(g)+1D(aq). In 3.1L, 2.79mol A and 2.72mol B are mixed. At…

A: The RICE table for the reaction between A(g) and B (g) is shown below. Reaction3A2B2C1DInitial2.79…

Q: Suppose a 250. mL flask is filled with o.90 mol of N, and 0.10 mol of NO. The following reaction…

A: Given: Moles of nitrogen gas = 0.90 mole Moles of NO = 0.10 moles Volume of the flask = 250 mL =…

Q: initial change equilibrium

Q: 5. For the equilibrium Br2(g) 2 Br (g) at 1000 K, K = 4.55. In a 1.00-L flask, 0.012 mol of Br₂ is…

Q: Suppose a 250. ml. flask is filled with 0.30 mol of Cl₂, 1.8 mol of CHCI, and 1.1 mol of HCI. The…

A: Molarity is defined as the moles of solute dissolve per liter volume of solution. It can be given as…

Q: 2X₂Y3 = 2X₂ + 3Y₂ Keq = 4 x 10° The initial concentration of the reactant is 2 M. Calculate its…

A: The given equilibrium reaction is 2X2Y3 ⇌ 2X2 + 3Y2(g); Keq = 4 × 108 The…

Q: (Q101) Consider the production of phosgene gas from carbon monoxide and chlorine gases which has an…

Q: Kc = 0.0600 at 500 °C. (a) Determine whether a mixture that contains 1.35 M N, 1.80 M H,, and 0.215…

A: Given reaction is , N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) The reaction quotient…

Q: Suppose a 500. mL flask is filled with 1.9 mol of H, and 1.1 mol of NHz. This reaction becomes…

Q: Write the equilibrium constant expression, K

A: Equilibrium constant is the ratio of product of concentration of products raised to their…

Q: (Q103) Consider the formation of phosphorus pentachloride from phosphorus trichloride and chlorine…

A: PCl3(g) + Cl2(g) -----> PCl5(g) I : 0.450 M 0.450 M 0.100 M

Q: Suppose a 500. mL flask is filled with 1.4 mol of N2 and 0.70 mol of NO. This reaction becomes…

A: Nitrogen reacts with oxygen to form nitrogen monoxide. The equation for the balanced chemical…

Q: (a) CaCO,(s)²Ca²*(aq) + CO,²-(aq) (b) Mg,(PO,);(9) =3 Mg²"(aq) + 2 PO,' (aq) (c) CO(g) +…

Q: Suppose a 250. mL flask is filled with 1.4 mol of H, and 1.5 mol of HI. The following reaction…

Q: Equilibrium/acids/bases A system was charged with NOCI gas until the concentration was 0.264 mol…

A: The problem is asking us to find the equilibrium constant, Kc, for the reaction 2NOCl(g) ->…

Q: Analysis of the gases in a sealed reaction vessel containing NH 3, 2, N, and H2 at equilibrium at…

A: Given, the equilibrium reaction as follows,N2(g)+3H2(g)⇌2NH3(g)and the equilibrium concentration of…

Q: The dehydrogenation of benzyl alcohol to make the fla- voring agent benzaldehyde is an equilibrium…

Q: Suppose a 250. mL flask is filled N,(g) +O,(g) = 2NO (g The equilibrium constant K for t

A: From given data Volume = 250 mL = 0.250 L Initially moles of O2 = 0.70 Initially moles of NO = 1.9…

Q: 3. (a) (b) (c) (d) Write the expression for the equilibrium constant (K) of the foll Fe2+ (aq) +…

A: Equilibrium constant of a chemical reaction is the value of its reaction quotient at equilibrium. It…

Q: Suppose a 500. mL flask is filled with 1.9 mol of H, and 1.1 mol of NH2. This reaction becomes…

A: A reaction is said to have attained equilibrium when the rate of forward reaction is equal to the…

Q: Given the value of the equilibrium constant (K) for equation (a), calculate the equilibrium constant…

A: Given,

Q: Write the equilibrium expression for the reaction…

Q: Using the law of mass action, write the equilibrium expression for each of the following reactions.…

A: Equilibrium constant is defined as the product of concentration of products divided by the product…

Q: initial change equilibrium

Q: Write equilibrium constant expressions for the following reactions in terms of concentration: (a) 2…

A: The equilibrium constant expression is the ratio of the concentrations of the reaction at…

Q: Suppose a 250. mL flask is filled with 0.90 mol of H, and 0.40 mol of NH3. This reaction becomes…

Q: Suppose a 500. mL flask is filled with 1.9 mol of NO and 1.5 mol of NO₂. The following reaction…

A: Given Initial Concentration of NO = 1.9 Initial Concentration of NO2 = 1.5 K = 0.433 Volume = 500 ml

Q: Methanol and oxygen react to form carbon dioxide and water, like this: 2CH₂OH(+30,(g)-2CO₂(g) +…

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical…

Q: Suppose a 250. mL flask is filled with 0.50 mol of H, and 0.90 mol of Hl. This reaction becomes…

A: Given: Volume of flask = 250 mL = 0.250 L (Since 1 L = 1000 mL)…

Q: Suppose a 250. mL flask is filled with 1.3 mol of CO, 1.8 mol of H,0 and 1.6 mol of H,. This…

A: A question based on equilibrium concept, which is to be accomplished.

Question

A student ran the following reaction in the laboratory at 531 K:

\[ \text{PCl}_3 (g) + \text{Cl}_2 (g) \rightleftharpoons \text{PCl}_5 (g) \]

When she introduced 0.0811 moles of \(\text{PCl}_3 (g)\) and 0.115 moles of \(\text{Cl}_2 (g)\) into a 1.00 liter container, she found the equilibrium concentration of \(\text{Cl}_2 (g)\) to be 0.0646 M.

Calculate the equilibrium constant, \(K_c\), she obtained for this reaction.

\[ K_c = \boxed{\phantom{K}} \]

A student ran the following reaction in the laboratory at 427 K:

\[ \text{PCl}_5(g) \rightleftharpoons \text{PCl}_3(g) + \text{Cl}_2(g) \]

When she introduced 3.96 moles of \(\text{PCl}_5(g)\) into a 1.00 liter container, she found the equilibrium concentration of \(\text{Cl}_2(g)\) to be 0.0387 M.

Calculate the equilibrium constant, \(K_c\), she obtained for this reaction.

\[ K_c = \]

Expert Solution

Step 1: Find out Kc for the reaction

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The proper equilibrium expression (Keq) of CH4(g) + 202(g) CO2(g) + 2H2O1).
Be sure to answer all parts. Given the value of the equilibrium constant (K) for equation (a), calculate the equilibrium constant for equation (b). (a) O,(g) 503(s K. = 8.70 × 10-9 |× 10 K. = (Enter your answer in scientific notation.) (b) 30,(g) 5 203(g)
Interconvert K, and Kc values. Calculate Kp for the following reactions at the indicated temperature. (a) PCl3(g) + Cl₂(g)=PCI5(g) Kc = 200 at 479 K Kp = (b) NH4l(s) NH3(g) + HI(g) K = 1.34×10-³ at 651 K Kp =
Kc=?
2) Based on the information below, determine the value of the unknown equilibrium constant, Kc. 2 NOCl (g) « 2 NO (g) + Cl2 (g)Kc = 2.4 x 10-7 1/3 Cl2 (g) + 2/3 NO (g) « 2/3 NOCl (g)Kc = ?
Suppose a 500. mL flask is filled with 0.10 mol of O, and 1.6 mol of NO. The following reaction becomes possible: N2(g) + 0,(g) =2NO (g) The equilibrium constant K for this reaction is 0.679 at the temperature of the flask. Calculate the equilibrium molarity of NO. Round your answer to two decimal places. | M
Consider the following reactions: CO (g) + 2 H2S (g) D CS2 (g) + H2O (g) + H2 (g) K1 = 1.3 x 105 ½ CH4 (g) + H2S (g) D ½ CS2 (g) + 2 H2 (g) K2 = 180 1. Find the equilibrium constant for: 2 CO (g) + 6 H2 (g) D 2 CH4 (g) + 2 H2O (g) 2. What molecules in the steps are reaction intermediates? 3. If 0.500 atm of CO, H2, CH4, and H2O are initially placed in the same container, then given your answer in part a., determine which direction the reaction will shift in order to establish equilibrium.
At 454 K, Al,Cl6(g) reacts to form Al;Cl,(g) according to the equation 3 Al,Cl,(g) = 2 Al;Cl,(g) In an experiment at this temperature, the equilibrium par- tial pressure of Al,Cl(g) is 1.00 atm and the equilibrium partial pressure of Al;Cl,(g) is 1.02 × 10-2 atm. Compute the equilibrium constant of the preceding reaction at 454 K.
2. Write the equilibrium constant expression in terms of Kç for the reaction: CS2 (g) + 4 H2 (g) = CH4 (g) + 2 H2S (g) 3. Calculate Keq for the reaction A (aq) + B (aq) = 2 C (aq) if at equilibrium [A] = 0.26 M, [B] = 0.35 M, and [C] = 0.21 M. C (aq) reaches equilibrium, the concentration of C is When the reaction A (aq) + B (aq) = 0.013 M. Complete the l-C-E table and calculate Keq for the reaction if the reaction vessel initially contains only substance A at 0.0450 M and substance B at 0.0600 M. 4. A (aq) в (aд) С (ад) + (1) Initial (C) Change (E) Equilibrium
Be sure to answer all parts.The equilibrium constant (K) for the formation of nitrosyl chloride, an orange-yellow compound, from nitric oxide and molecular chlorine 2NO(g) + Cl,(g) = 2NOCI(g) is 2 x 10° at a certain temperature. In an experiment, 3.00 x 10-2 mole of NO, 4.70 × 103 mole of Cl,, and 6.60 moles of NOCI are mixed in a 1.30-L flask. What is Q. for the experiment? X 10 (Enter your answer in scientific notation.) In which direction will the system proceed to reach equilibrium? The reaction will proceed to the left. The reaction will proceed to the right. The reaction is at equilibrium.
ST5B.2 - The reaction A2(g) + B2(g) --> 2AB(g) has an equilibrium constant Kc = 1.22. What is the equilibrium concentration [in mol/L] of B2(g) if the reaction is run at a constant volume of one liter with initial reactant amounts of 0.96 mol A2lg) and 2.50 mol B2(g) with no product present? You can solve this algebraically or graphically - but be sure to zoom in enough if you use a graph so that you get enough precision in your answer. Don't just solve for "x" - make sure you get the equilibrium concentration of B2(g). Type your answer...
Suppose a 500. mL flask is filled with 0.30 mol of C12 and 1.4 mol of HC1. The following reaction becomes possible: H₂(g) + Cl₂(g) → 2HC1(g) The equilibrium constant K for this reaction is 0.168 at the temperature of the flask. Calculate the equilibrium molarity of H₂. Round your answer to two decimal places. M X ?