Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Write the equilibrium constant expression for the reaction below. Briefly (in about 1 sentence or a few bullet points) explain how you got your answer
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- Enter your answer in the provided box. Use the equilibrium constant expression, and equilibrium constant to det concentration of H₂S if: [H₂S]² [S₂][H₂]² Keq=1.1 x 107 [H₂] = 1.0 × 10-3 M [S₂] = 5.0 × 10 5 M [H₂S] = 0.55 X Keq = 2 H₂(g) + S₂(g) → 2 H₂S(g)arrow_forwardThe Ins and Outs of Équilibrium If you leave a closed, partly filled bottle of water in the sunlight, before long you will observe water droplets near the top of the bottle and in the neck. How did they get there? As the sun shines on the bottle, the water begins to evaporate. As the number of vapor molecules increases, so does the chance that they will interact with each other and recondense to form water. This is how the water droplets get to the top of the bottle. Changing phase is a reversible process. In a closed container, as the amount of vapor increases and the amount of liquid decreases, the rate of condensation increases and the rate of vaporization decreases. Eventually the two rates become equal. When the rate of vaporization is equal to the rate of condensation, the amount of vapor and the amount of liquid stops changing. This is called equilibrium. Just because the rate of vaporization and condensation is equal at equilibrium, it doesn't mean that the amount of vapor and…arrow_forwardUsing 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: 3 0₂ (g) = 203 (g) K₂ = 1. × 10-6 P He fills a reaction vessel at this temperature with 10. atm of oxygen gas. Use this data to answer the questions in the table below. Can you predict the equilibrium pressure of 03, using only the tools available to you within ALEKS? If you said yes, then enter the equilibrium pressure of O3 at right. Round your answer to 1 significant digit. yes no atm x10 X Ś olo 18 Ar 8.arrow_forward
- 1. You are a chemical engineer that is responsible for synthesizing a new drug. You look at a series of potential chemical reactions that will make your drug along with their respective K values. What type of K value would you be looking for and why?arrow_forwardThe preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other row. You will find it useful to keep in mind that NH, is a weak base. O acids: D 0.4 mol of HCI is added to 1.0 L of a 0.9 M NH, O bases: L solution. O other: O 0.06 mol of KOH is added to o acids: O 1.0 L of a solution that is 0.3M in both NH, and O bases: O NH,Br. O other: Darrow_forwardConsider the reaction of SO2 and O2 described by the chemical reaction below. Determine the equilibrium constant for this reaction by constructing an ICE table, writing the equilibrium constant expression, and solving it. Complete Parts 1-2 before submitting your answer. NEXT > A 2.00 L reaction vessel was filled 0.0432 mol SO2 and 0.0296 mol O2 at 900 K and allowed to react. At equilibrium, the concentration of SO3 was found to be 0.0175 M. Fill in the ICE table with the appropriate value for each involved species to determine concentrations of all reactants and products. Initial (M) Change (M) Equilibrium (M) -0.00875 0.0209 0 0.00875 2 SO₂(g) + O₂(g) = 2 SO³(g) 2SO2(g) 2.00 0.0216 0.0432 0.0148 + 0.0296 0.0041 O₂(g) 2 0.0175 0.0129 -0.0175 0.0061 2SO3(g) RESET -0.0350 0.0257arrow_forward
- The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other row. You will find it useful to keep in mind that NH, is a weak base. acids: 0.17 mol of HBr is added to 1.0 L of a 1.0 M NH, bases: O solution. other: 0.53 mol of HI is added to acids: 1.0 L of a solution that is 1.4M in both NH, and bases: U NH Br. other: O Explanation Check 2021 McGraw-HII Education. All Rights Reserved. Terms of Use Privacy Accessibility acer wed Co backspace delete %23 %24 & 回 国 O O Olo o Oarrow_forwardSolve 1.arrow_forwardThe preparation of an aqueous solution is described in the table below. For this solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that HCH,CO₂ is a weak acid. 0.3 mol of NaOH is added to 1.0 L of a solution that is 0.7M in both HCH,CO, and NaCH, CO₂. acids: O bases: O Oother: D 0.0arrow_forward
- 10. Initially a 1.0 L vessel contains 10.0 mol of NO and 6.0 mol of O2 at a certain temperature. 2 NO (g) + O2 (g) = 2 NO2 (g)arrow_forwardI Review | Constants | Periodic Table Part B When a chemical reaction is at equilibrium, Q (the reaction quotient) is equal to K (the equilibrium constant). If a stress is applied to the mixture that changes the value of Q, then the system is no longer at equilibrium. To regain equilibrium, the reaction will either proceed forward or in reverse until Q is equal to K once again. Alternatively, equilibrium can be disrupted by a change in temperature, which changes the value of K. The result however is the same, and the reaction will proceed forward or in reverse until Q is equal to the new K. Le Châtelier's principle summarizes this idea: The following system is at equilibrium:A(s) + 4B(g) = C(g)Classify each of the following actions by whether it causes a leftward shift, a rightward shift, or no shift in the direction of the net reaction. Drag the appropriate items to their respective bins. • View Available Hint(s) Reset Help If a stress is applied to a reaction mixture at equilibrium,…arrow_forwardO KINETICS AND EQUILIBRIUM Helen v 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: 3 O2(g) = 203(g) K,= 1. x 10-6 d. He fills a reaction vessel at this temperature with 15. atm of oxygen gas. Use this data to answer the questions in the table below. olo Can you predict the equilibrium pressure of O3, using only the tools O yes available to you within ALEKS? O no If you said yes, then enter the equilibrium pressure of O, at right. I atm Round your answer to 1 significant digit. Explanation Check IIarrow_forward
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