A saturated solution of copper (I) chloride,
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BASIC CHEMISTRY >CUSTOM<
- 12. Explain the color change that occurred the diluted solution was heated. (How would the reaction shift if Kc went up? How did increasing the temperature affect the value of Kc? What is the sign of ΔH in the reaction?) HINT : Endothermic reactions have a positive ΔH. Exothermic reactions have a negative ΔH. C o (H2O)6 2+(a q) + 4 Cl minus (a q) ⇌ C o Cl42 minus (a q) + 6 H2O options....arrow_forward1.4 4 (a) Calculate the value of Kc for the reaction: PCl5 (g) PCl3 (g) + Cl2 (g) ΔH = Positive Given that when 8.4 mol of PCl5 (g) is mixed with 1.8 mol of PCl3 (g) and allowed to come to equilibrium in a 10 dm3container the amount of PCl5 (g) at equilibrium is 7.2 mol. Kc =arrow_forwardThe Keq for the equilibrium below is 7.44 × 10-2 at 480.0 °C. 2 Cl2 (g) + 2 H2O (g) → 4HCl(g) + O2 (g) What is the value of Keq at this temperature for the following reaction? 2 HCl (g) + ½ O2 (g) →Cl2 (g) + H2O (g)arrow_forward
- The value of Kc for the following reaction is 2.5 x 10-10 at 200o C0Cl2(g) --> C0(g) + Cl2(g) What is the value of Kc for the reaction shown below? CO(g) + Cl2(g) --> COCl2(g) Group of answer choices 480 120 -5 x 109 4.0 x 109arrow_forwardThe Kc for the following reaction is 5.0 at 100 ∘C∘C. 2NO2(g)⇌N2O4(g) If an equilibrium mixture contains 0.51 M NO2, what is the molar concentration of N2O4? Express your answer to two significant figures and include the appropriate units.arrow_forwardCalculate the numerical value of the Kp for: N2(g) + 3H2(g) ⇌2NH3(g) Kc=5.8x105 at 25°C. A. 9.7x102 B. 5.8x105 C. 3.5x108 D. 3.6x1012arrow_forward
- For the following reaction Kc= 6.7x10-5 at 25 oC, XY5(g) ⇄ XY3(g) + Y2(g) If a 9.0 L container has initially 0.746 M XY5, what is the concentration of XY3 at equilibrium? Report your answer with four decimals.arrow_forwardWhen the computed Kc of an unknown compound is equal to 0.45, which of the following will predominate in the equilibrium mixture? D. reactants A. direction B. factor C. productsarrow_forwardIn Which of the following is always TRUE for a reaction whose value of Kc is 4.4 × 10-18? A. The reaction occurs quickly. B. At equilibrium, the reaction mixture is product-favored. C. The reaction occurs slowly. D. At equilibrium, there are equal moles of reactants and products E. At equilibrium, the reaction mixture is reactant-favored.arrow_forward
- Consider the following reaction:Glycogen(aq)(stored glucose) + H2O(l) -->blood glucose(aq) + heata. Is the reaction exothermic or endothermic as written?b. Provide an equilibrium expression (K) for the reaction.c. How will the equilibrium shift if blood glucose is removed from the reaction?d. How will the equilibrium shift if the temperature is raised?arrow_forwardSulfuryl chloride, SO2Cl2, is a highly reactive gaseous compound. When heated, it decomposes into sulfur dioxide and chlorine. A sample of 3.509 grams of SO2Cl2 is placed in an evacuated 1.00 L bulb and the temperature is raised to 102.0 °C. When the system has come to equilibrium at 102.0 °C, the total pressure in the bulb is found to be 1.43 atm. What is the Kp? (Use ICE table)arrow_forwardWhich of the following equilibrium constants (K) indicates the reaction that gives the smallest amount of product? Group of answer choices Kc = 3.4 × 109 Kc = 3.4 × 102 Kc = 3.4 × 10-9 Kc = 3.4 × 10-1 Kc = 5 × 100arrow_forward
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