The combustion of gasoline (octane) in a car engine can be represented by the following equation:2C3H18(1) + 2502(g) --> 16CO2(g) +18H2O(g)a. What mass of oxygen is used up to burn a full tank of 36.00 kg of gasoline?b. Why might a vehicle that is calibrated to run perfectly at sea level run poorly at higher elevations?C.According to the Canadian Automobile Association, the average Canadian drives 20,000 km/yr.Assuming that distance, how many more kg of carbon dioxide are added to the atmosphere each yearby a Toyota Tacoma (fuel economy of 12.8 L/100 km) than a Toyota Prius (4.52 L/100 km)? The densityof gasoline is 0.719 kg/L.

Part (a) Solution :- The combustion of gasoline (octane) in a car engine can be represented by the…

Answered: The combustion of gasoline (octane) in…

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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agine. [15-7:1] 36 kJ/kg mol K , diatomics = 20-9 kJ/kg mol K. Air contains 21% oxygen by volume. 18. The volumetric analysis of a gas is as follows: CO 30%, H, 60% CH4 10%. This gas is mixed with air in the proportions 1 volume of gas [(a) 21-8 (b) 1-21 kg/m³; (c) 1-39; (d) 0-381 kJ/kg K] Take the molar specific heat capacities at constant volume for: CH, = (b) the density of the mixture in kg/m³ at 27°C and 138 kN/m23; to 1-5 volumes of air. Determine, for the air-gas mixture: (a) the mean relative molecular mass of the mixture; (c) the value of the adiabatic index for the mixture; (d) the characteristic gas constant for the mixture. 7. الممسوحة ضوئیا ب CamScanner QUESTIONS 647 Find the composition hy mn0 10
Fill in the blanks: Professor Acetico Acido has assigned the analysis of unknown organic compound samples to Al Cohol based on their solubility behavior. The summary of the solubility profile are tabulated below along with the possible structures of the samples. Identify each unknown sample by matching the respective solubility profile with the given structures. (10 pts) Sample HCl(aq) NaOH(aq) NaHCO3(aq) Water 1 ++ 2 3 4 5 Legend: ++ → completely soluble; +> slightly soluble; - > insoluble он OH H3C H2N CH3 OH HO. butanedioic acid cyclohexane butane-2,3-dione cyclopentanam ine resorcinol Sample 1: (name) Sample 2: (name) Sample 3: (name)
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Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How much SO2 is required to treat 3.00 x 10° Lof 5.00x102 mMCr(VI)? 2Cro + 3S0, + 4H* Cr (SO,),+2H,0 2C:0- Cr,(SO,)3 + 2H,0 kg
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1. A student synthesized 3.214g of Ni(NH3)„Cl2 from 4.023g of N¡C12•6H2O. He dissolved 0.81g of Ni(NH3)nCl2 in 40 mL of 1.0M HCI to make a sample for analysis. Molar mass: Ni 58.7; Cl2 71; NH3 1T; H2O 18. (1) A 0.20M Ni²* standard solution had an absorbance of 1.666, while his sample had an absorbance of 0.705. Calculate the Ni2+ concentration in his sample and the mass percent of Ni in the product. Note: A = ɛbc. (2) The student used 38.75 mL of 0.498M NaOH to neutralize excess HCl in 40mL of the sample. Calculate the mass percent of NH3 in the product.
4. An experiment similar to the one described in this module was performed to determine the solubility and solubility product constant of lead(1l) chloride (gmm = 278.10). The equilibrium involved is PbCl2(s) = Pb2+ (aq) +2 CI¯(aq) The dissolved chloride in the filtered solution was quantitatively precipitated as AgCl by the addition of excess AgNO3 solution. The solid AgCI was filtered from solution, dried, and weighed. The following data were obtained for three samples of the filtered, saturated solution. determination 1 2 temperature of solution, °C volume of PbCl2 solution analyzed, mL mass of dry A£CI, g 20.2 20.4 20.1 25.00 22.00 20.10 0.2543 0.2276 0.2051 Calculate the following: number of moles of: AgCl(s) CI- (aq) Pb2*(aq) [CI"] in PbCl2 solution, M [Pb2+] in PbCl, solution, M Ksp average Ksp solubility of PbCl2, in g per 100 mL chemistry handbook value for solubility at 20°, g per 100 mL
What is the trial 1, trial 2 and trial 3 of this
4. In a gravimetric determination of sulfur as BaSO4, 0.8863 g of the ignited precipitate is found to contain 7.71 mg of coprecipitated Na,SO4. Calculate the percentage error of the determination resulting from the presence of the Na,SO4-
For the following reaction: 5Ca + V2O5 --> 5CaO + 2V In one process 5 mol of V2O5 react with 3 mol of Ca. Calculate the theoretical yield of V in the unit of mol. For your answer, type in only the number that carries one digit after the decimal point (e.g. 0.5, 1.4, 12.6, etc.) Do not type in the unit which is mol.

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