I Review | Constants | Periodic TableFor chemical reactions involving ideal gases, the equilibrium constant K can be expressed either in terms ofthe concentrations of the gases (in M) or as a function of the partial pressures of the gases (in atmospheres)In the latter case, the equilibrium constant is denoted as Kp to distinguish it from the concentration-basedequilibrium constant K. (sometimes referenced as just K).Part AFor the reaction2CH4(g) = CH2(g) + 3H2(g)Kc = 0.170 at 1519 °C. What is Kp for the reaction at this temperature?Express your answer numerically.> View Available Hint(s)Temglates Symbols undo redoe keyboard shortcuts Helpк, - 9.837SubmitPrevloun AnawereX Incorrect; Try Again; 5 attempts remainingPart BFor the reactionNa(g) + 3H2(g) = 2NH3(g)Kp = 2.85x10 at 268 °C. What is K. for the reaction at this temperature?Enter your answer numerically.• View Available Hint(s)Templates SymBols uhdo' redo Teset keyboard shortcuts HelpK. =Submit

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PartA For the action Ke=0.170 1510 "C. Vhar is Kp for the reaction atis semperatue? Express your answer numerically. View Available Hints) ego fes keyboard shonsus elp K, - 9.837 Submit Previoun An X Incorrect: Try Again: 5 attempts remaining Part B For the reation Na(g) + 3H:(g) -- 2NH,(E) K, =28810 a 200 °c.Wat is K. for the reaction ais emperate Enter your answer numerically. View Available Hints)

PartA For the action Ke=0.170 1510 "C. Vhar is Kp for the reaction atis semperatue? Express your answer numerically. View Available Hints) ego fes keyboard shonsus elp K, - 9.837 Submit Previoun An X Incorrect: Try Again: 5 attempts remaining Part B For the reation Na(g) + 3H:(g) -- 2NH,(E) K, =28810 a 200 °c.Wat is K. for the reaction ais emperate Enter your answer numerically. View Available Hints)

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...

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Chemistry 13. a) Challenge problem. Nitric oxide gas reacts with bromine gas to form nitrosyl bromide gas. 3NO(g) -> N2O(g) + NO2(g) As 25C, the equilibrium concentrations of dinitrogen monoxide and nitrogen dioxide are 0.170 M and 0.250 M, respectively. A)Using thermodynamic data from the cover sheet, calculate the equilibrium concentration of nitric oxide b) You add 0.75 mL of 0.175 M sodium hydroxide to 10.00 mL 0.108 M hypobromous acid. Calculate the pH of the resulting solution. Ka of hypobromous is 2.8 * 10 ^-9
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5:28 PM Mon Mar 6 For the reaction below, Kc = 4.60 x 10-6. Note Kc is sometimes called K. Tap here or pull up for additional resources What is the equilibrium concentration of B if the reaction begins with 0.400 M A? A (g) = 3B (g) Q A N 2 W S X 3 E D 4 C R F % 5 V T G : co Question 6 of 7 6 ... Y B & 7 H U N * 00 8 J 9 K M 1 4 7 +/- C 2 5 8 V
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2. Given the following equation: A + B = C + D (all gases) If 3.00 moles of A and 3.00 moles ofB are placed in a 2 Liter container and allowed to react to equilibrium with K. = to 9.00, how many moles/L of A, B, C, and D are present at equilibrium. Write the Ke expression and show all work (Hint: do an ICE problem) Aol. O v 1 9:19
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6:32 PM Sun Feb 5 How long will it take for the concentration of A to decrease from 0.910 M to 0.483 for the reaction A → Products? (k = 0.153 M/S) Tap here or pull up for additional resources 38 1 n @ 2 W #3 F 4 R 45 Question 34 of 50 % < 6 & 7 * CO 8 1 4 7 +/- 9
- H,OJ, coefficiene s INaHCO»J, coefficient NiaHCO, =2 unknown ibrium constant expression ? SOLVE FOR THE UNKNOWN corm a ratio of product concentrations to reactant concentrations. Figure 9 Sodi (baking soda) abse the air in a refrige ingredient in som (CIID]*[E]* TAJ*[B]® State the general form of the equilbrium constant espression K = (Na,COs]°[CO,l°[H,O]* (NaHCO,]* Sobstitute A NaHCO,C= Na CO D- Co, and E H,0. K (Na,CO3]'[CO,]'[H,O]' [NaHCOa]? Keg = Substitute a = 2, c=1, d= 1, and e 1. Keg = [CO2][H20] Omit terms involving solid substances. A EVALUATE THE ANSWER The expression correctly applies the law of chemical equilibrium to the equation. PRACTICE Problems Do additional problems. Online Practice i 3. Write equilibrium constant expressions for these heterogeneous equilibria. a. C10H8(s) C10H8(g) b. H20() = H20(g) c. CaCO3(s) CaO(s) + C02(g) d. C(s) + H20(g) CO(g) + H2Cg) e. FeO(s) + CO(g) Fe(s) + CO2(g) 4. Challenge Solid iron reacts with chlorine gas to form solid iron(III)…
ited Consider the following system at equilibrium where AH = 108 kJ, and K = 1.29 x 10-2, at 600 K: COC1₂ (g) CO(g) + Cl₂ (g) If the temperature on the equilibrium system is suddenly increased: The value of Ke Oincreases Odecreases O remains the same The value of Qc Ols less than Ke Ols greater than K Ols equal to Ke The reaction must Orun in the forward direction to reestablish equilibrium Orun in the reverse direction to reestablish equilibrium O remain in the current position, since it is already at equilibrium The concentration of Cl₂ will O increase O decrease O remain the same 54 $ Submit Ans Show Hint ry Entire Group 9 more group attempts remaining 000 000 F4 R LL F % 5 T Cengage Learning Cengage Technical Support F5 G A 6 MacBook Air Y & 7 ◄◄ F7 U * 8 ► 11 F8 1 9 A F9 10 ) 0 K L F10 P Previous F11 + 11 Next Save
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Determine the equilibrium concentration of H2S