The reaction below has a AG°Rxn = -33.3 kJ/mol N2. N2 (2) + 3 H2 (e) = 2 NH3 (g) What is the actual AGRXN given the following partial pressures of the gases and temperature? PN2 = 0.391 atm N2 %3D PH2 = 0.232 atm H2 %3D PNH3 = 0.122 atm NH3 %3D Temperature = 33.9 °C? %3D IMPORTANT: When entering your answer: • Enter the number only (no units) • Do not leave any spaces • Use a leading zero before the decimal when necessary • Report your number to 1 decimal place (regardless of the significant figures) • Correctly round your answer to the 1st decimal place (allowed margin of error is only ± 0.1, so always use un- rounded numbers in your calculations) • Include a - sign when necessary Examples: 0.1 or -98.7

The reaction below has a AG°Rxn = -33.3 kJ/mol N2. N2 (2) + 3 H2 (e) = 2 NH3 (g) What is the actual AGRXN given the following partial pressures of the gases and temperature? PN2 = 0.391 atm N2 %3D PH2 = 0.232 atm H2 %3D PNH3 = 0.122 atm NH3 %3D Temperature = 33.9 °C? %3D IMPORTANT: When entering your answer: • Enter the number only (no units) • Do not leave any spaces • Use a leading zero before the decimal when necessary • Report your number to 1 decimal place (regardless of the significant figures) • Correctly round your answer to the 1st decimal place (allowed margin of error is only ± 0.1, so always use un- rounded numbers in your calculations) • Include a - sign when necessary Examples: 0.1 or -98.7

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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While 0.7407 moles of H 2 gas was being compressed at constant temperature, the pressure increased from 1.318 atm to 2.765 atm. What was the DS (J/K) of the process?
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5. In a calorimeter, 250 mL of 0.180 mol/L barium chloride is mixed with 150 mL of 0.200mol/L sodium sulfate. The following reaction occurs: BaCl2 (aq) + Na2SO4 (aq) à NaCl (aq) + BaSO4 (s) X The initial temperature of the two solutions is 20.00°C. After mixing, the final temperature is 20.49°C. Remember to assume that the solution has the density and specific heat capacity equal to that of water (c = 4.184 J/g °C) a) Calculate the molar enthalpy of the reaction in kJ/mol of NaCl. b) Will this reaction feel warm or cold to the touch? GUA
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N2(g) + 3Cl2(g) 2NCl3(l) ∆H°rxn = +460 kJ Consider a reaction mixture of 6.5 LSTP of N2(g) and 16 LSTP of Cl2(g):... If all 6.5 LSTP of N2(g) react, the reaction heat is _______ kJ ... If all 16 LSTP of Cl2(g) react, the reaction heat is _______ kJ... The limiting reagent in this mixture is _______... The theoretical heat of this reaction mixture is _______ kJ
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Methanogens are organisms that produce methane according to the following reaction. 4 H2 (g) + CO2 (g) ---> CH4 (g) + 2 H2O (l) Kc=1.1x106 at 300 K The reaction is very exothermic. Based on the above information answer the following questions (e.g. increase, decrease or unchanged) What would happen to the PCO2 if the temperature was increased? What would happen to the PCO2 if the volume was decreased? What would happen to the PCO2 if additional liquid water was introduced? What would happen to the PCO2 if a catalyst was added?
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