deschbes tWO liquids, A and B, select ALL the FALSE statements. DA The substance with the higher pure vapor pressure (P°) is A OB For any mixture of A and B (any ratio of A and B), the mole fraction of B in the vapor phase will be larger than the mole fraction of B in the liquid phase. OC An equimolar mixture of liquids A and B are placed in a closed container (25 °C). At equilibrium, the vapor above the mixture will contain more moles of B than A OD The substance with the higher pure vapor pressure (P°) is B DE Substance B has greater intermolecular forces than A 23 3. 2. 4 5 E RU Y S D F G K Command option vapor pressure

deschbes tWO liquids, A and B, select ALL the FALSE statements. DA The substance with the higher pure vapor pressure (P°) is A OB For any mixture of A and B (any ratio of A and B), the mole fraction of B in the vapor phase will be larger than the mole fraction of B in the liquid phase. OC An equimolar mixture of liquids A and B are placed in a closed container (25 °C). At equilibrium, the vapor above the mixture will contain more moles of B than A OD The substance with the higher pure vapor pressure (P°) is B DE Substance B has greater intermolecular forces than A 23 3. 2. 4 5 E RU Y S D F G K Command option vapor pressure

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...

See similar textbooks

Similar questions

A chemist is studying the following equilibirum, which has the given equilibrium constant at a certain temperature: -6 2 CH4(g) = C,H2(g) + 3 H2(g) K, = 1. × 10 He fills a reaction vessel at this temperature with 10. atm of methane gas. Use this data to answer the guestions in the table below. Can you predict the equilibrium pressure of C,H,, using only the О yes tools available to you within ALEKS? O no If you said yes, then enter the equilibrium pressure of C,H, at atm right. Round your answer to 1 significant digit.
Suppose 75.0 g of PCl5(g) is introduced into an evacuated 3.00-L vessel and allowed to reach equilibrium at 250ºC. PCl5(g) <---> PCl3(g) + Cl2(g) If KP = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium? (R = 0.0821 atm • L/mol • K)
Consider the following system at equilibrium where AH° = 92.7 kJ, and K. =1.80x104, at 298 K. NH,HS(s) NH3(g) + H2S(g) When some moles of NH HS(s) are added to the equilibrium system at constant temperature: The value of Ke The value of Qel |Ke The reaction must Orun in the forward direction to restablısh equilibrium. Orun in the reverse direction to restablish equilibrium O remain the same. It is already at equilibrium. The concentration of NH3 will| Submit Answer Retry Entire Group No more group attempts remain
Consider the following system at equilibrium where K. = 9.52x102 and AH° = 18.8 kJ/mol at 350 K. CH4 (g) + CC14 (g) =2 CH,Ch (g) The production of CH,Cl2 (g) is favored by: Indicate True (T) or False (F) for each of the following: |1. decreasing the temperature. | 2. increasing the pressure (by changing the volume). | 3. decreasing the volume. v 4. adding CH,Cl . | 5. removing CCI4 .
For the equilibrium N2(g)+O2 <-->2NO(g), Kp = 0.0017 at 2300 K. At a given point, the partial pressures of the gases are PN2=PO2 = 0.660 atm and PNO= 0.0272atm. Which statment below is true? a. Q < K, so the reaction will continue to make more products. b. Q > K, so the reaction will consume products to make more reactants. c. Q = K, so the system is at equilibrium. d. The value of K will decrease until it is equal to Q. Show your work:
A mixture of 0.652 atm CIF, , 0.573 atm F, , and 0.318 atm CIF is heated in a closed vessel to 700 K. 3 CIF, (g) = CIF(g) + F,(g) Kp = 0.140 at 700 K Calculate the equilibrium pressure of each gas at 700 K. atm PCIF, atm PCIF = atm PF,
You investigate the following reaction: 2A(g) + B(g) ----> 3C(g) + 2D(g) Initially beginning with 1 mol A and 1 mol B at a total pressure of 1 bar. At equilibrium, you find have 0.2 mol of C. Calculate: a) The mole fraction of each substance at equilibrium b) Keq
O O O O [Review Topics] [References) Use the References to access important values if needed for this question. O D O O. Consider the following reaction where K. = 6.30 at 723 K: 2 NH3 (g) N, (g) + 3 H, (g) A reaction mixture was found to contain 6.02x10moles of NH, (g), 4.61×102 moles of N2 (g), and 3.91×102 moles of H2 (g), in a 1.00 liter container. Indicate True (T) or False (F) for each of the following: 1. In order to reach equilibrium NH3(g) must be produced 2. In order to reach equilibrium K. must increase v 3. In order to reach equilibrium N2 must be produced v 4. Q. is less than K.. 5. The reaction is at equilibrium. No further reaction will occur. Retry Entire Group 7 more group attempts remaining Submit Answer Previous Next
Tetrafluoroethene, C:F4, is obtained from chlorodifluoromethane, CHCIF:, according to the equation: 2CHCIF: (g) = C:F+ (g) + 2HC1(g) AH = +128 kJ m ol A 1.0 mol sample of CHCIF2 is placed in a container of volume 18.5 L and heated. When equilibrium is reached, the mixture contains 0.20 mol of CHCIF2. (a) Calculate the number of moles of C:F4 and the number of moles of HCl present at equilibrium. (b) Calculate a value for Kc and give its units.
Consider the following system at equilibrium where AH° = 92.7 kJ, and K. = 1.80×10-4, at 298 K. NH,HS(s)NH3(g) + H2S(g) When some moles of NH,HS(s) are removed from the equilibrium system at constant temperature: The value of K. The value of Qe |K- The reaction must Orun in the forward direction to restablish equilibrium. Orun in the reverse direction to restablish equilibrium. Oremain the same. It is already at equilibrium. The concentration of NH3 will
Consider the following system at equilibrium where AH° = 18.8 kJ, and K. = 9.52x102, at 350 K: CH4 (g) + CCl, (g) =2 CH,Cl, (g) If the TEMPERATURE on the equilibrium system is suddenly decreased : The value of K. |A. Increases B. Decreases C. Remains the same |A. Is greater than K. B. Is equal to K. C. Is less than K. The value of Qe JA. Run in the forward direction to restablish equilibrium. The reaction must: B. Run in the reverse direction to restablish equilibrium. C. Remain the same. Already at equilibrium. The concentration of CCl, will: A. Increase. B. Decrease. C. Remain the same.
4. Toluene, C;H8(1), is an important organic solvent. It is made industrially from methylcyclohexane, C,H14(g): C,H14(g) + heat ? 2C;H8(1) + 3H2(g) State three different changes to an equilibrium mixture of these reacting gases that would shift the reaction toward greater production of toluene. State and explain each change.