Consider the following reaction: NH4Cl--->NH3(g)+HCl(g). The vapor pressure after dissasociation of a certain amount of NH4Cl is 608 kPa at 427 Celsius, but rises to 1115 kPa at 459 Celsius. Calclate Keq, deltarGstandard, and deltarHstandard, all at 427 Celsius. Assume that the vapor is an idela gas and that the enthalpy is indepednet of temperature in the range given.

Consider the following reaction: NH4Cl--->NH3(g)+HCl(g). The vapor pressure after dissasociation of a certain amount of NH4Cl is 608 kPa at 427 Celsius, but rises to 1115 kPa at 459 Celsius. Calclate Keq, deltarGstandard, and deltarHstandard, all at 427 Celsius. Assume that the vapor is an idela gas and that the enthalpy is indepednet of temperature in the range given.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter8: Thermochemistry

Section: Chapter Questions

Problem 90QAP: Consider a metal ion A2+ and its nitrate salt, In an experiment, 35.00 mL of a 0.217 M solution of...

See similar textbooks

Similar questions

Consider the following reaction where K, = 9.52×10-2 at 350 K: %3D CH4(g) + CC14(g) 2CH2C1½(g) If the three gases are mixed in a rigid container at 350 K so that the partial pressure of each gas is initially one atm, what will happen? Indicate True (T) or False (F) for each of the following: • 1. A reaction will occur in which CH,Cl2(g) is consumed. v 2. K, will increase. • 3. A reaction will occur in which CH, is consumed. • 4. Q is less than K. v 5. The reaction is at equilibrium. No further reaction will occur.
Consider the reaction: SO₂(g) + Cl₂ (9) SO, Cl₂(g) K 6.9 x 10 at 1000 K It a reaction mixture initially contains 0.780 bar each of SO₂ and Cl₂, what is the partial pressure of SO₂ Cl; at equilibrium? Express your answer using two significant figures. Psoc Η ΑΣΦΑ 1.0344 ? bar
A mixture of isobutylene ((CH:)2CCH2, 0.400 bar partial pressure) and HCI (0.600 bar partial pressure) is heated at 500.0 K. The equilibrium constant K for the gas-phase thermal decomposition of tert-butyl chloride ((CH:)3CCI) is 3.45 at 500.0 K. (CH:):CCI(g) = (CH:)»CCH:(g) + HCI(g) Based on your ICE table, set up the expression for K for the decomposition of (CH:)»CCI. (CH:):CCI(g) = (CH:).CCH2(g) + HCI(g) 1 Do not combine or simplify terms. K 3.45
Consider the following reactions, write the expressions for Kc and Kp and determine their units. Unit for concentration should be mol/dm3 and for pressure kPa. d) Ca3(PO4)2 (s) = 3 Ca²*(aq) + 2 PO4³ (aq) e) 2C2H6(g) + 7O2(g) = 4CO2(g) + 6H2O (g)
A mixture of isobutylene ((CH3)2CCH2, 0.400 bar partial pressure) and HCI (0.600 bar partial pressure) is heated at 500.0 K. The equilibrium constant K for the gas- phase thermal decomposition of tert- butyl chloride ((CH3);CCI) is 3.45 at 500.0 K. (CH3);CCI(g) = (CH3)2CCH2(g) + HCI(g) 1 3 Calculate the value of Kc 4 6. C 7 8 9 +/- х 100
At 25C KG for the reaction N204 (g) 2NO2 (g) is 1380 cal/mol. What is the degree of dissociation at 258C when the total pressure is 10 atm?
Excess A(g) is placed in a vacuum vessel with a certain volume at 298 K and pa = 53.33 kPa. A does not react at this temperature. A dissociates as the following reaction when the temperature of system increases to 573 K: A (g) B (g) + C (g) The pressure of system at equilibrium is 186.7 kPa. Calculate A,Gand K of the reaction at 573 K. Assume that the gases are ideal gases.
Hydrogen sulphide, a colourless gas with foul odour, dissociates on heating as shown below. 2��� ⇄ 2�(�+�(� When H2S at an initial pressure of 1.168 bar was put into 10.00 L vessel and heated to 1405.15 K, it gave an equilibrium mixture containing H2 of 0.3330 bar partial pressure. (a) Make an ICE Table of the reaction, using pressure units, based on the data above (b) Calculate the value of Kp at that temperature. (c) Determine the value of Kc at that temperature
Consider the following reaction where Kc = 1.80×10-² at 698 K: 2HI(g) H₂(g) + 12(g) A reaction mixture was found to contain 0.257 moles of HI(g), 3.82×10-² moles of H₂(g), and 3.92×10-² moles of 12(g), in a 1.00 Liter container. Indicate True (T) or False (F) for each of the following: ✓1. In order to reach equilibrium HI(g) must be consumed. ✓2. In order to reach equilibrium K must increase. 3. In order to reach equilibrium H₂ must be consumed. 4. Qc is less than Kc. 5. The reaction is at equilibrium. No further reaction will occur.
A mixture of isobutylene ((CH3)2CCH2, 0.400 bar partial pressure) and HCI (0.600 bar partial pressure) is heated at 500.0 K. The equilibrium constant K for the gas-phase thermal decomposition of tert-butyl chloride ((CH3)3CCI) is 3.45 at 500.0 K. (CH3);CCI(g) = (CH3),CCH2(g) + HCI(g) Based on your ICE table, set up the expression for K for the decomposition of (CH3);CCI. (CH3);CCI(g) = (CH3)2CCH2(g) + HCI(g) 1 Do not combine or simplify terms. K = 3.45 5 RESET (P(CH);CCH;) (P(CH,);CCH,)? (PHCI) (Рнс) (P(CH,),cCi) (P(CH,),CCI)? 2(Рнс) 2(P(CH3),CCH;) 2(P(CH,),CCI) 2(P(CH,),CCI)? 2(Рнс)? 2(P(CH3),C=CH,)?
The reactionSO2(g) + 2 H2S(g) ⇌ 3 S(s) + 2 H2O(g)is the basis of a suggested method for removal of SO2 frompower-plant stack gases. (a) What is the equilibriumconstant for the reaction at 298 K? (b) In principle,is this reaction a feasible method of removing SO2?(c) If PSO2 = PH2S and the vapor pressure of water is 25 torr,calculate the equilibrium SO2 pressure in the system at298 K. (d) Would you expect the process to be more orless effective at higher temperatures?
For the following reaction: A(g) + 3 B(g) magnitude of Kp (don't report the units) assuming the following composition at equilibrium: PA = 0.735 bar PB = 0.603 bar Pc = 0.627 bar PD 0.87 bar = 2 C(g) + D(g) Calculate the =