Keq chem
[DOC File]Chemistry 12
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Chemistry 12. Tutorial 5 - Solutions. The Equilibrium Constant (Keq ) Answer to question 1 on page 2 of Tutorial 5. 1. With this in mind, see if you can write the Keq expression for the following reaction:
[DOC File]Chemistry 12
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What is Keq for this reaction at this temperature? Answer _____ 8. When 1.0 mol of NH3(g) and 0.40 mol of N2(g) are placed in a 5.0 L vessel and allowed to reach equilibrium at a certain temperature, it is found that 0.78 mol of NH3 is present. The reaction is: 2NH3(g) 3H2(g) + N2(g) ...
[DOC File]Practice Keq Questions for Unit Test
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In the following equilibrium reaction at 2000°C, Keq = 1.6 x 103. 2NO (g) (( N2 (g) + O2 (g) The equilibrium concentration of NO is 0.13 mol / L. If the equilibrium concentration of nitrogen and oxygen are equal, calculate the concentration of nitrogen. Practice Keq Questions for Unit Test Answers. You need the following conditions for ...
[DOC File]Equilibrium Practice Problems: using equilibrium constants ...
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If Q > Keq, then ratef < rater, reaction will proceed from right to left ( ← ; more reactants) Note: ratef is the rate of the forward reaction and rater is the rate of the reverse reaction. At 1000 K, the value of Kp for the reaction 2SO3(g) = 2SO2(g) + O2(g) is 0.338. Calculate the …
[DOC File]Equilibrium Practice Problems (Ch
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6) Which value of Keq indicates most favorablity of product formation: Keq = 1 x 1012; Keq = 1.5; Keq = 5.6 x 10-4. 7) Hydrogen sulfide gas decomposes into its elements and establishes an equilibrium at
[DOC File]Equilibrium Worksheet - AICE Chemistry
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The Keq value for the formation of sulphur trioxide gas from sulphur dioxide and oxygen gas is 4.5. If the equilibrium concentration of oxygen was 2.0 M, determine the number of moles of sulfur trioxide originally present in a 1.0 L vessel. [16 mol] 2 SO2(g) + O2(g) ⇌ 2 SO3(g) Keq=4.5 V=1.0L
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14. If the value of Keq decreases when we decrease the temperature, is the reaction exothermic or endothermic? 15. In the reaction; W + X + 100kJ ⇄ Y + Z, what happens to the value of Keq if we increase the (X)? Explain your answer. 16. If the value of Keq increases when we decrease the temperature, is the reaction exothermic or endothermic? 17.
[DOC File]AP Chemistry – Chapter 13, Chemical Equilibrium Study Guide
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, (Keq) for a reaction equation . Solve for Q given . initial concentrations or pressures. Using . LeChatlier's principle, determine the direction of shift in an equilibrium when conditions are changed (concentration, pressure, phase change) Setup a . Ksp expression for a slightly soluble. product. Calculate the. ion concentrations. when given ...
[DOC File]Chemical Kinetics Exam
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The value of Keq is. A. 0.023. B. 0.67. C. 1.3. D. 44. Answer: Keq = (0.040) / (0.030) 2 = 44. The relationship between Keq and the pressure of a gaseous equilibrium at constant temperature can be described by. D is answer, Keq can only change with TEMP, not pressure, so the graph with no Keq change is D. 14. Consider the following reaction: (OMIT)
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