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Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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![Write the equilibrium constant expression, K, for the following reaction:
(If either the numerator or denominator is blank, please enter 1.)
2NH3 (g) 2 N2(g) + 3H2 (g)
K =](https://content.bartleby.com/qna-images/question/20bf142f-2c85-4359-8891-6b2d044caae9/2cdc4841-2178-4a59-bf7b-07cee1e5b045/zdg0oq8_thumbnail.png)
Transcribed Image Text:Write the equilibrium constant expression, K, for the following reaction:
(If either the numerator or denominator is blank, please enter 1.)
2NH3 (g) 2 N2(g) + 3H2 (g)
K =
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- In the context of equilibrium constants of chemical reactions, which "K" value indicates a reaction that favors the formation of products the most? K- 1.7 x 10-6 K= 8.2 x 10-3 OK- 5.31 x 10 OK- 4.99 x 106arrow_forwardSuppose a 500. mL flask is filled with 1.6 mol of H₂ and 0.30 mol of HI. This reaction becomes possible: H₂(g) + 12₂(g) → 2HI(g) Complete the table below, so that it lists the initial molarity of each compound, the change in molarity of each compound due to the reaction, and the equilibrium molarity of each compound after the reaction has come to equilibrium. Use x to stand for the unknown change in the molarity of I2. You can leave out the M symbol for molarity. initial change equilibrium H₂ 0 1₂ x 0 HI 0 X Sarrow_forwardConsider the following general reaction:2A(g) + 2B(g) ⇌ 3C(g) The reaction was measured to have an equilibrium reaction constant (K) of 0.0100 at 100 K. If the reaction has a standard enthalpy change (ΔHrxn) of 500.3 J/mol, what should the equilibrium reaction constant be when the temperature is 800 K? (Please provide your answer to 3 significant figures.)arrow_forward
- Calculating an equilibrium constant from a partial equilibrium composition Steam reforming of methane (CH4) produces "synthesis gas," a mixture of carbon monoxide gas and hydrogen gas, which is the starting point for many important industrial chemical syntheses. An industrial chemist studying this reaction fills a 75.0 L tank with 35. mol of methane gas and 16. mol of water vapor, and when the mixture has come to equilibrium measures the amount of hydrogen gas to be 43. mol. Calculate the concentration equilibrium constant for the steam reforming of methane at the final temperature of the mixture. Round your answer to 2 significant digits. K = [] с x10 X Ś ? olo 18 Ararrow_forwardConsider the following equilibrium. N2(s) + O2(g) 2 NO(g) At 2300 K, the equilibrium constant K - 1.7 x 10. Suppose that 0.015 mol NO(g), 0.16 mol N, (9), and 0.16 mol O, (9) are placed into a 10.0 L flask and heated to 2300 K. (a) Is the system at equilibrium? If the system is not at equilibrium, in which direction must the reaction proceed to reach equilibrium? The system is at equilibrium. OThe system is not at equilibrium. The reaction must proceed to the left. The system is not at equilibrium. The reaction must proceed to the right (b) Calculate the equilibrium concentrations of all three substances. (Enter unrounded answers.) [02 - [NO Marrow_forwardA student ran the following reaction in the laboratory at 672 K: 2NH3(g) N2(g) + 3H2(g) When she introduced 6.42×10-2 moles of NH3(g) into a 1.00 Liter container, she found the equilibrium concentration of H2(g) to be 9.09×10-2 M. Calculate the equilibrium constant, Kc, she obtained for this reaction.arrow_forward
- Write the equilibrium constant expression, K , for the following reaction: (If either the numerator or denominator is blank, please enter 1.) K=arrow_forwardEnter your answer in the provided box. The equilibrium constant K. for the equation 2H2(g) + CO(g)=CH3OH(g) is 13 at a certain temperature. If there are 2.21 × 102 moles of H2 and 2.33 x 103 moles of CH;OH at equilibrium in a 4.31-L flask, what is the concentration of CO? Marrow_forwardWrite the equilibrium constant expression, Kc, for the equation: 2NO2(g) + 7H2(g) -----> 2NH3(g) + 4H2O(g) Write the equilibrium constant expression, Kc, for the reverse of the previous reaction.arrow_forward
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