Use equilibrium concentrations to calculate K.   Some PCl5 is placed in a flask and heated to 612 K. When equilibrium is reached, the flask is found to contain PCl5 (2.68×10-3 M), PCl3 (3.18×10-2 M), and Cl2 (3.99×10-2 M). What is the value of the equilibrium constant for the following at reaction at 612 K?PCl5(g) PCl3(g) + Cl2(g)      answer:   K =______

Q: 2. For the following reaction: 2 Cl2(g) + 2 H20(g) =4 HCI(g) + O2(g), 3.75 moles of Cl2 and 5.38…

A: The considered equilibrium reaction is, 2Cl2 (g) + 2H2O(g) ⇔4 HCl (g) + O2(g)

Q: Hi,  Write an equilibrium expression for chemical equation involving one or more solid or liquid…

A: Since for any given reaction the equilibrium expression can be written as  where the terminologies…

Q: Sulfur oxychloride, decomposes to sulfur dioxide and chlorine gases. At a certain temperature, the…

A:

Q: Nitrogen and water react to form nitrogen monoxide and hydrogen, like this: N2g) + 2 H,0(g) → 2…

A: Calculate Kc of the given reaction----

Q: The equilibrium constant, K, for the following reaction is 1.20×10-2 at 500 K. PCl5(g) PCl3(g) +…

A: If the reaction of forward direction is equal to the reaction of backward direction, the reaction…

Q: Hydrogen chloride decomposes to form hydrogen and chlorine, like this: 2 HCl(g) - H2(9) + Cl,(9)…

A:

Q: Previous Page 20 of 28 Next → The equilibrium constant for the following reaction is 77.3 at a…

A: Given - 4A(g)+B2(g) <->3C(g).  K = 77.3  Moles of A= 0.100 mol  Moles of B2 = 0.335 mole (…

Q: Consider the following equilibrium: 2A(g) = B(g) +2C(g). (= is equilibrium sign) with K = 0.00052.…

A:

Q: 18. Consider the following reaction in which all reactants and products are gases: A + 2B 2C + D One…

A: Given: Initial moles of A = 1.0 mol Initial moles of B = 2.0 mol Moles of D at equilibrium = 0.50…

Q: NOCL If 1.5 g of NOCL was heated at a temperature of 623 K in 1.5 L After equilibrium, it was…

A:

Q: 18. Consider the following system at equilibrium: N,(g) + 3H,(g) Bà 2NH3(g) + 92.94 kJ Which of the…

A: According to Le Chatelier's principle, when there is any change in equilibrium due to external…

Q: Phosphorus pentachloride decomposes at high temperatures. An equilibrium mixture at some temperature…

A: The objective of the question is to find the concentration of PCl5 when equilibrium is reestablished…

Q: Write the equilibrium expression for the following reaction, and then answer the following questions

A: For a general equilibrium reaction  a A  + b B   <-->  c C  +  d D  equilibirum constant…

Q: sider the following reaction: PCI5 (3) + PCI3 (g) + Cl2 (g) A container is initially filled with…

A: Which one is correct answer....

Q: A sample of pure NO, is heated to 337 °C, at which temperature it partially dissociates according to…

A: Given: A sample of pure NO2 is heated to 337°C at which temperature it partially dissociates…

Q: O ADVANCED GENERAL CHEMISTRY Calculating an equilibrium constant from an equilibrium. Nitrogen and…

A:

Q: Antimony(V) chloride, SbCls, dissociates on heating to give antimony(III) chloride, SbClg, and…

A:

Q: Analyze the statements. Which of these statements exhibits fallacy?  a If the value for K is very…

A: After analyzing the statements i came to know that statements exhibits fallacy are

Q: Carbon tetrachloride can be produced by the following reaction: Cs2(g) + 3 C2(g)2 S,C2(g) + CCI4(g)…

A: The given reaction in equilibrium is shown below.   The moles of CS2 are 0.120 mol.   The moles of…

Q: A.) Some NOBr is placed in a flask and heated to 358 K. When equilibrium is reached, the flask is…

A: (A) Consider the given information is as follows; Equilibrium concentration of NOBr=NOBr=2.43×102…

Q: Consider the reaction: A(g) + B(g) = 2C(g), Kc = 44.4. Suppose an 3.80-L mixture initially contains…

A: We have to calculate the equilibrium concentration of C.

Q: For the reaction: N2O4  (g) ---> 2NO2 (g)  If a reaction vessel initially contains an N2O4…

A:

Q: The equilibrium constant, K, for the following reaction is 1.54×10-2 at 506 K. PCl5 (g)  PCl3 (g)…

A:

Q: Hydrogen, the lightest element with atomic number one reacts with bromine gas to produce hydrogen…

A: Answer:- This question is answered by using the simple concept of calculation of equilibrium…

Q: Which of the conditions is always true at equilibrium? True at equilibrium Not necessarily true at…

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

Q: Consider the reaction: N₂(g) + O2(g) 2NO(g), K. = 0.10 at 2000°C. Starting with initial…

A: At equilibrium, the concentration of NO is 0.011 mL/L.Hence, Option C is the correct answer.…

Q: A student determines the value of the equilibrium constant to be 1.21x1012 for the following…

A:

Q: Write an equilibrium expression for the following reaction:  Products AD(aq) and BC(aq) are formed…

A: Equilibrium exists in the reaction which is reversible in nature. Equilibrium is the condition in…

Q: HF(aq)+H,O(1)→F (aq)+H;O°(aq) At a certain temperature, a chemist finds that a 3.6 L reaction vessel…

A: The number of moles of HF is calculated as, Number of moles =given massmolar mass…

Q: Which of the described cases can be considered as a "quasi-equilibrium" state? Select one: a. When…

A: Quasi - Equilibrium state is that condition of Equilibrium in which system present in Equilibrium at…

Q: Heat is produced b. The concentration of the water increases c. The concentration of NaC2H3O2(aq)…

A: According to Le-chatlier principle if we disturb equilibrium by changing pressure,temperature, or…

Q: he equilibrium constant, K, for the following reaction is 2.02×10-2 at 513 K. PCl5 (g) PCl3 (g) +…

A:

Q: g) + H₂O (g) H₂ (g) + CO₂ (g) ulate the concentration of all four species at equilibrium if the…

A: Equilibrium constant is equal to the concentration of product divide by concentration of reactant

Q: K for the reaction of hydrogen and iodine to produce hydrogen iodide, H2(g) + 1(g) = 2HI(g) is 54.3…

A:

Q: [6] 0,40 mol pure sulfur trioxide is heated in a closed vessel and decomposes partially in sulfur…

A: Provided Molarity of [SO3] =(0.40/27) mole/litre Or, At equilibrium provided Molarity of [O2]…

Q: The reaction between carbon monoxide and water at 500oC and 5 atm pressure is in equilibrium…

A: The objective of the question is to determine whether the reactants or the products are present in…

Q: A 2.50 L container with 6.0 moles each of carbon monoxide and water vapor is allowed to come to…

A:

Q: Hydrogen lodide decomposes to form hydrogen and lodine, like this: 2 HI(g) → H₂(g) + L₂(g) Also, a…

A: For a chemical reaction, the equilibrium constant can be defined as the ratio between the amount of…

Q: Phosgene, COC12, is the chemical warfare gas commonly called mustard gas. It decomposes as 3)…

A: The equilibrium concentration is the ratio of equilibrium concentration of products to the…

Q: - of Ke for

A:

Q: Consider the following system at equilibrium where AH° = 18.8 kJ, and K. = 9.52×102, at 350 K.…

A: Answer: Given reaction is: CH4(g)+CCl4(g)→2CH2Cl2(g) Reaction quotient for this system will be:…

Q: Consider the following equilibrium: 2NOCI(g) 2NO(g) + Cl2(g) with K=1.6 × 10-5. 1.00 mole of pure…

A: Equilibrium concentration of NO(g) applying ICE table.

Q: A 0.92 mol sample of PCI5 is put into a 2.00 L vessel and heated. At equilibrium, the vessel…

A:

Q: Consider the equilibrium system described by the chemical reaction below, which has a value of Kc…

A: Given: Kc = 1.2 x 10-4     The given balanced equation for the reaction is

Q: Chlorine and water react to form hydrogen chloride and oxygen, like this: 2 Cl2(9) + 2 H20(9) 4…

A: The Kc at the same temperature is 2.16.

Q: For the reaction CaO(s) + CO2(g) CaCO3(s), the value of AH is -178 kJ/mol. Using Le Chatelier's…

A: The reaction : As it is given that enthalpy is reaction is negative it shows that heat is released…