For the following reactions, determine the value of æ (in mol).4 C + S3 → 4 CS22.1 mol Sg yields x mol CS2а.molCS2 + 3 O2 — СО2 + 2 SO22.2 mol 02 yields æ mol SO2molN2H4 + 3 02 → 2 NO2 + 2 H2O3.3 mol 02 yields x mol NO2c.mold. SİH4 + 2 O2 → SiO2 + 2 H201.8 x 10-3 mol O2 yields a mol H20mol

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Answered: For the following reactions, determine…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 6QRT

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A student set up an experiment for six different trials of the reaction between 1.00-M aqueous acetic acid, CH3COOH, and solid sodium hydrogen carbonate, NaHCO3. CH3COOH(aq) + NaHCO3(s) NaCH3CO2(aq) + CO2(g) + H2O() The volume of acetic acid was kept constant, but the mass of sodium bicarbonate increased with each trial. The results of the tests are shown in the figure. (a) In which trial(s) is the acetic acid the limiting reactant? (b) In which trial(s) is sodium bicarbonate the limiting reactant? (c) Explain your reasoning in parts (a) and (b).
About 5 billion kilograms of benzene, C6H6, are made each year. Benzene is used as a starting material for many other compounds and as a solvent (although it is also a carcinogen, and its use is restricted). One compound that can be made from benzene is cyclohexane, C6H12. C6H6() + 3 H2(g) C6H12() rH = 206.7 kJ/mol-rxn; rS = 361.5 J/K mol-rxn Is this reaction predicted to be product-favored at equilibrium at 25 C? Is the reaction enthalpy- or entropy-driven?
To prepare standard KHP ( M.W.= 204.22 ) solution for the KHP lab, you weighed out 0.9539 ( ± 0.0002 ) g solid KHP that was subsequently dissolved in 500.00 ( ± 0.03) mL of water completely. Then 18.45 (± 0.02) mL of this KHP solution were needed to neutralize 25.00 (± 0.04) mL of NaOH solution. What is the molarity of NaOH in the solution, with its absolute and relative uncertainties ?
Write the expression for Keq for the following reactions. In each case indicate whether the reaction is homogeneous or heterogeneous.(a) N2(g) + 3 H2(g) 2 NH3(g) Keq = PNH32 / (PN2 PH23) Keq = (PN2) (3 PH2) / 2 PNH3 Keq = PN2 PH23 / PNH32 Keq = 2 PNH3 / ((PN2) (3 PH2)) The reaction is (b) 4 HCl(g) + O2(g) 2 H2O(l) + 2 Cl2(g) Keq = PHCl4 PO2 / PCl22 Keq = 2 PCl2 / (4 PHCl PO2) Keq = 4 PHCl PO2 / 2 PCl2 Keq = PCl22 / (PHCl4 PO2) The reaction is (c) H2(g) + I2(g) 2 HI(g) Keq = 2 PHI / (PH2 PI2) Keq = PH2 PI2 / 2 PHI Keq = PH2 PI2 / PHI2 Keq = PHI2 / (PH2 PI2) The reaction is
In the reaction N2(g) + 2O2(g) ---- > 2NO2(g) what is the volume ratio of N2 to NO3 A. 2:5 B. 2:1 C. 1:2 D. 1:1
Write the expression for Keq for the following reactions. In each case indicate whether the reaction is homogeneous or heterogeneous.(a) N2(g) + 3 H2(g) 2 NH3(g) Keq = PNH32 / (PN2 PH23) Keq = (PN2) (3 PH2) / 2 PNH3 Keq = PN2 PH23 / PNH32 Keq = 2 PNH3 / ((PN2) (3 PH2)) homogeneous or heterogeneous. (b) 4 HCl(g) + O2(g) 2 H2O(l) + 2 Cl2(g) Keq = PHCl4 PO2 / PCl22 Keq = 2 PCl2 / (4 PHCl PO2) Keq = 4 PHCl PO2 / 2 PCl2 Keq = PCl22 / (PHCl4 PO2)
Consider the following reactions:CoO (s) + CO (g) D CO2 (g) + Co (s) Kc(1) = 490.2 CoO (s) + 2 H2 (g) D 2 Co (s) + 2 H2O (g) Kc(2) = 4.5 x 103a. Write the overall equation for the reaction of hydrogen gas and carbon dioxide gas to produce carbon monoxide gas and steam.
The last part of this question. The catalytic decomposition of hydrogen peroxide can be expressed as: 2H2O2(aq) → 2H2O(l) + O2(g) Calculate the number of moles of oxygen gas produced from the completely catalyzed decomposition of 6.60 mL sample of a 3.5% solution of H2O2. The density of the 3.5% solution of H2O2 is 1.01 g/mL. 0.00343 A trial of this decomposition experiment, using different quantities of reactants than those listed in the question above produced the following data: Volume of O2 produced at room conditions 200 mL Barometric pressure 740 torr Temperature of water 24°C Termperature of O2 25°C Vapor Pressure due to water at 25°C 22.4 torr For the conditions listed above, calculate the volume of O2(g) produced at standard conditions of temperature and pressure. (enter your answer in liters)
Which of the following represents the generic form of a synthesis reaction? A) A + BX → AX + B B) A + B → AB C) AB → A + B D) AX + BY → AY + BX
A student tries to synthesize ethyl acetate from 25 g glacial acetic acid (60.05 g/mol), 5 ml H2SO4 (98.08 g/mol), and 30 ml Ethanol (MW: 46.07 g/mol), d: 0,789 g/ml). After purification and drying process, 30 g Etyhl Acetate (88.11 g/mol) was obtained. Calculate the percent yield of the experiment. which one is the yield? calculate and show all the steps 66 %83 %81 %68 %
The solubility of BaSO4 in water is 2.33×10−3 gm/litre. Its solubility product will be (molecular weight of BaSO4=233) equal
One of the reactions in the Solvay Process involves the reaction of calcium oxide with water toproduce slaked lime (calcium hydroxide).CaO(s) + H O2 (l) - Ca(OH)2 (s)A lab technician performs the experiment and uses 54.8 g of calcium oxide to react with a setamount of water. When the reaction is completed, the technician uses a filtration apparatus tocollect the mass of calcium hydroxide produced. The following data is recorded:Mass of filter paper: 1.24 gMass of filter paper and solid: 68.04 g What is the theoretical mass of calcium hydroxide that is predicted to be produced? What mass of precipitate was collected in this experiment? What is the percent error? Comment on the validity of the results

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