17.4 Solubility and..... Gibb E 18.3 Gibbs Free E... 5.3 Enthalpies of.... ENTROPY AND FREE ENERGY Calculating reaction free energy under nonstandard conditions A chemist fills a reaction vessel with 5.63 atm methane (CHA) gas, 7.89 atm oxygen (O₂) gas, 2.13 atm carbon dioxide (CO₂) gas, and 4.68 atm hydrogen (H₂) gas at a temperature of 25.0°C. Explanation Check Under these conditions, calculate the reaction free energy AG for the following chemical reaction: CH₂(g) + O₂(g) CO₂(g) + 2H₂(g) Use the thermodynamic Information in the ALEKS Data tab. Round your answer to the nearest kilojoule. 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le... Math 115 W-S Fall... X 26 ***** C tv S MacBook Pro Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center

17.4 Solubility and..... Gibb E 18.3 Gibbs Free E... 5.3 Enthalpies of.... ENTROPY AND FREE ENERGY Calculating reaction free energy under nonstandard conditions A chemist fills a reaction vessel with 5.63 atm methane (CHA) gas, 7.89 atm oxygen (O₂) gas, 2.13 atm carbon dioxide (CO₂) gas, and 4.68 atm hydrogen (H₂) gas at a temperature of 25.0°C. Explanation Check Under these conditions, calculate the reaction free energy AG for the following chemical reaction: CH₂(g) + O₂(g) CO₂(g) + 2H₂(g) Use the thermodynamic Information in the ALEKS Data tab. Round your answer to the nearest kilojoule. 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le... Math 115 W-S Fall... X 26 ***** C tv S MacBook Pro Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center

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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= Kinetics and Equilibrium Using an equilibrium constant to predict the direction of spontaneous... chemical engineer is studying the following reaction: HCH₂ CO₂(aq) + CH³NH₂(aq) → CH³CO₂(aq)+CH₂NH₂(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 2.0. The engineer charges ("fills") four reaction vessels with acetic acid and methylamine, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel A B Explanation compound HCH₂ CO₂ CH,NH, CH,CO, CH₂NH3 HCH₂ CO₂ CH,NH, CH,CO, CH₂NH3 HCH, CO2 CH,NH, CH,CO, CHÍNH Check + + + concentration 0.50 M 0.26 M 1.22 M 1.08 M 1.02 M 0.78 M 0.70 M 0.56 M 1.00 M 0.68 M 1.26 M 1.08 M expected change in concentration increase ↑ increase ↑ increase increase ↑ increase ↑ increase…
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AG° at 298 K for the reaction below is -642.9 kJ/mol. P2 (g) + 3CI2 (g) - 2PCI3 (g) Calculate the value of AG at 298 K in kJ/mol for a reaction mixture with the following partial pressures: Pp2 = 1.250 atm, PCI2 = 1.000 atm, and PpC13 = 1.500 atm.
Arrange the following from lowest to highest entropy: TiCl3 (s), TICL (E), TICL (g), TiO(s). Assume 1 mole of each at the same conditions. from lowest to highest entropy Drag and drop your selection from the following list to complete the answer: TICL (e) TiCl, (s) TiO(s) TICL (g) Submit Answer Retry Entire Group 9 more group attempts remaining
1.2 2(1) In the contact process: []H = -197 kJ mol-¹ 2SO₂(g) + O₂(g)=2SO3(g) Predict the position of equilibrium when: (a) temperature is decreased and (b) pressure is decreased (c) temperature is increased and (d) pressure is decreased (ii) Explain the reasoning for using compromise temperature and pressure in industrial processes such as the Contact Process
13. Which is TRUE about decreasing entropy? C. Suquid > Saolid > Sgas D. Sd Siuquid > Suctit B. S < Suquid < Selid 14. What will be the process if the change in enthalpy and entropy are both decreasing?
Please explain why certain are decrese or increase if were the case. O Kinetics and Equilibrium Using an equilibrium constant to predict the direction of spontaneous... A chemical engineer is studying the following reaction: 2NO(9)+2H₂(9) N₂(g) + 2H₂O(g) reaction vessel At the temperature the engineer picks, the equilibrium constant K, for this reaction is 0.42. The engineer charges ("fills") four reaction vessels with nitrogen monoxide and hydrogen, and lets the reaction begin. She then measures the composition of the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below.. Predict the changes in the compositions the engineer should expect next time she measures the compositions. 6 compound NO H₂ N₂ H₂O NO H₂ N₂ H₂O NO H₂ N₂ H₂O pressure 5.37 atm 7.06 atm 9.16 atm 8.14 atm 4.44 atm 6.13 atm 9.63 atm 9.07 atm 6.30 atm 7.99 atm 8.69 atm 7.21 atm expected change in pressure increase O decrease I decrease OT increase 1 increase 1 increase…
Data Table Temp (∘C) K 6.6 216.6 18.0 187.1 56.2 140.6 81.7 121.6 this reaction would be .............. because the ...... is ....... zero . blank 1 = non - spontaneous/spontaneous blank 2 = temperature / Gibbs free energy/entropy/ enthalpy blannk 3 = less than / equal to / greater than
For the reaction2CO2(g) + 5H2(g)C2H2(g) + 4H2O(g)H° = 46.5 kJ and S° = -124.8 J/KThe equilibrium constant for this reaction at 300.0 K is _______Assume that H° and S° are independent of temperature.
The table below shows the equilibrium constants of a reaction at varying temperatures (measure in °C) and is the same data shown in Question #1 for the reaction A B T (°C) -50.5 -25.1 0.5 25.2 51.2 75.2 100.2 125.5 150.4 Using the data from the table, calculate the change in entropy (DS) in unit of J/mol*K for this reaction. Input your answer with 2 significant figures. K 100 116 130 143 156 167 177 187 196
3. For the following reactions, ldentify the unknown, the ?, and circle the change for each of the energy systems. Changes in the Strong Energy Interaction are determined by the net amount of bounds broken or formed and changes in the Electric Energy are determined by the separation of like charges. i. 6429Cu → 6428NI + ? + V a. The unknown "?" is b. PEelectric: increases, decreases, no change c. PEstrong: increases, decreases, no change d. Energy: Exothermic e. Mass: increases, decreases, no change ii. 189F + ? → 1830 + v a. The unknown "?" is b. PEelectric: increases, decreases, no change c. PEstrong: increases, decreases, no change d. Energy: Exothermic e. Mass: increases, decreases, no change