What is the point on the ternary phase diagram where the compositions of the two phases in equilibrium become identical? O Triple point Eutectic point Critical point O Plait point
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- Which system in each pair best represents equilibrium species under standard conditions of temperature and pressure? You may have to apply some basic knowledge of chemistry. a Rb b Na crystal c HCl (aq) d C(diamond) or C(graphite)Why would increasing the pressure on an equilibrium mixture of liquid nitrogen and nitrogen gas shift the phase equilibrium toward the liquid?12. Which substance would be expected to exhibit the greatest vapor pressure at 25°C? (A) CH3OCH3 (В) С2H5ОН (С) CН3CH2CH2ОН (D) HOCH2CH2OH 13. Ag"(aq) + 2 NH3(aq) Ag(NH3)2**(aq) For this reaction, K = 1.7 x 107 at 25°C. What is the value of AG° in kJ? (A) - 41.2 (В) — 17.9 (C) + 17.9 (D) + 41.2 14. What is the sign of AG" and the value of K for an electrochemical cell for which E -0.80 V? AG K (A) >1 (В) + >1 (C) + < I (D) < 1 15. The decomposition of ethane into two methyl radicals has a first order rate constant of 5.5 x 10-4 sec1 at 700°C. What is the half-life for this decomposition in minutes? (A) 9.1 (B) 15 (C) 21 (D) 30 Silver ions are added to a solution with [Br]= [CH]= [CO,²]=[AsO,'] = 0.1 M. Which compound will precipitate at the lowest [Ag']? 16. (A) AgBr (K, = 5.0 × 10-") (B) AgCl (K„ – 1.8 x 10-") (C) Ag,CO, (K„ - 8.1 x 10-) (D) Ag,AsO, (K„ = 1.0 × 10 ")
- Bromine monochloride is synthesized using the reaction Br, (g) + Cl, (g) = 2 BrCl(g) K, = 1.1 x 104 at 150 K A 193.0 L flask initially contains 0.956 kg of Br, and 1.014 kg of Cl,. Calculate the mass of BrCI, in grams, that is present i the reaction mixture at equilibrium. Assume ideal gas behavior. 11.45 mass of BrCl: Incorrect What is the percent yield of BrCI? percent yield: 81At 298 K the reaction N(g) + 3 H(g)<-> 2 NH(g) has K = 4.2 x 108. What is the value of Kc for the reaction 1/3 N(g) + H(g)<-> 2/3 NH(g)?At 25 ºC HCl(g) H2(g) + Cl2(g) Kc = 3,2.10-34 If a 1.0 L flask is filled with HCl under 0.22 bar, what are the partial pressures of HCl, H2 and Cl2 at equilibrium?
- For the reaction: H2 (g)+ Br2 (g) = 2 HBr(g) K, = 3.6 x 104 at 1497 K. What is the value of K; for each of the following reactions at 1497 K? (a) 2 HBr(g) = H2(9)+ Br2 (g) Kp = (b) 긍 H2 (9) + Br2 (9) HBr(g) к, — (c) HBr(g) - H2 (9) + 글 Br2(9) Kp = 10 item attempts remainir Try Another Version Submit AnswerSuppose the reaction system CH4 (9) + 202 (g) = CO2(g) + 2H20(1) has already reached equilibrium. The position of the equilibrium was shifted by performing the reaction in a metal cylinder fitted with a piston, which is compressed to decrease the total volume of the system. Choose the correct effect on equilibrium (it will shift to the right, will shift to the left, or it will not be affected). It will shift to the right. O It will shift to the left. O It will not be affected.At 1100 K, K, = 0.15 for the reaction 2502 (9) + O2(g) = 2SO3 (g) What is the value of K at this temperature? K =
- For the reaction: H2 (g)+ Br2 (g) 2 HBr(g) K, = 3.4 x 104 at 1496 K. What is the value of K, for each of the following reactions at 1496 K? (a) 2 HBr(g) = H2 (g)+ Br2 (g) K, = %3D (b) 글He (9) + 글Brg (g) HBr(g) K, = %3D (c) HBr (g) 큰 글Ha (g) +글 Brg(g) K, = Submit Answer Try Another Version 5 item attempts remaining Show Hint Cengage Learning | Cengage Technical SuppoCalculate the equilibrium constant of the reaction CO(g) + 2 H2S(g) CS2(g) + H2O(g) + H2(g) from the following information: CO(g) + 3 H2(g) CH4(g) + H2O(g) K = 9.17 x 10-2 CH4(g) + 2 H2S(g) CS2(g) + H2(g) K = 3.3 x 104 Answer: [3.03 x 103 ]The hydrogenation of pyridine to piperidine C;H;N(g) + 3 H2(g) 2 C;H,N(g) is an équilibrium pročess whose équilibrium constant is given by the equation 10.560 K log10 K = -20.281 + T (a) Calculate the value of K at T = 500 K. (b) If the partial pressure of hydrogen is 1.00 atm, what fraction of the nitrogen is in the form of pyridine mol- ecules at T = 500 K?