c). The traditional way of comparing reactions is by the percentage yields. However, percentage yield takes no account of by-products. In order to decide which chemical process is greener, chemists have tried to develop ways of measuring 'greenness'. One of the most common methods is the atom economy. Calculate the atom economy of the following reactions: (i). CH2 Ph;P-CH2. + Ph P=0 (ii). он 200 °C (iii). CI CI .cI CI- CI NaOH CI

c). The traditional way of comparing reactions is by the percentage yields. However, percentage yield takes no account of by-products. In order to decide which chemical process is greener, chemists have tried to develop ways of measuring 'greenness'. One of the most common methods is the atom economy. Calculate the atom economy of the following reactions: (i). CH2 Ph;P-CH2. + Ph P=0 (ii). он 200 °C (iii). CI CI .cI CI- CI NaOH CI

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter3: Mass Relations In Chemistry; Stoichiometry

Section: Chapter Questions

Problem 52QAP: Write a balanced equation for the reaction between (a) dihydrogen sulfide and sulfur dioxide gases...

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Ethanol, C2H5OH, is a gasoline additive that can be produced by fermentation of glucose. C6H12O62C2H5OH+2CO2 (a) Calculate the mass (g) of ethanol produced by the fermentation of 1.000 lb glucose. (b) Gasohol is a mixture of 10.00 mL ethanol per 90.00 mL gasoline. Calculate the mass (in g) of glucose required to produce the ethanol in 1.00 gal gasohol. Density of ethanol = 0.785 g/mL. (c) By 2022, the U. S. Energy Independence and Security Act calls for annual production of 3.6 1010 gal of ethanol, no more than 40% of it produced by fermentation of corn. Fermentation of 1 ton (2.2 103 lb) of corn yields approximately 106 gal of ethanol. The average corn yield in the United States is about 2.1 105 lb per 1.0 105 m2. Calculate the acreage (in m2) required to raise corn solely for ethanol production in 2022 in the United States.
Write a balanced equation for the reaction between (a) dihydrogen sulfide and sulfur dioxide gases to form sulfur solid and steam. (b) methane, ammonia, and oxygen gases to form hydrogen cyanide gas and steam. (c) iron(lll) oxide and hydrogen gas to form molten iron and steam. (d) uranium(IV) oxide and hydrogen fluoride gas to form uranium(IV) fluoride and steam. (e) the combustion of ethyl alcohol (C2H5OH) to give carbon dioxide and water.
The fat stored in a camel’s hump is a source of both energy andwater. Calculate the mass of H2O produced by the metabolismof 1.0 kg of fat, assuming the fat consists entirely of tristearin1C57H110O62, a typical animal fat, and assuming that during metabolism,tristearin reacts with O2 to form only CO2 and H2O.
The Bayer process is the formation of aluminum hydroxide from metallic aluminum and sodium hydroxide heated to high temperatures. Al(s)+ 3NaOH(aq) -->Al(OH)3(s) + 3Na A manufacturing chemist observes that two distinctly different solids are present in the solutions after the reaction has come to completion. The chemist collected the following data: data table From the above information, identify the limiting and excess reagent, the supporting evidence, and suggest a method to increase the amount of product produced.
Balance the equation below such that it has the smallest, whole-number coefficients. CH3CH2CH2CH2OH + O2(g) ® CO2(g) + H2O(g)
A typical formulation for window glass is 75% SiO₂, 15% Na₂O, and 10.% CaO by mass. What masses of sand (SiO₂),sodium carbonate, and calcium carbonate must be combined toproduce 1.00 kg of glass after carbon dioxide is driven off bythermal decomposition of the carbonates?
For the following reaction: C3H8(g) + O2(g) ------> CO2(g) + H2O(g) Q: Calculate the theoretical yield of CO2(g) in gram
The sugar glucose (C6H12O6) is broken down in a decomposition reaction to ethanol (C2H6O) and bubbles, CO2. Write the balanced chemical equation for the reaction.
How many kg of Co2 are produced when 1.00 gallon of octane (C8H18, density = 0.703 g/mL) is completely combusted in the presence of O2 to form CO2 and H2O?
After balancing the following chemical equation, what is the balancing coefficients of KClO3 and O2 respectivey ? KClO3 KCl + O2 The balancing coefficient of KClO3 is …………….. The balancing coefficients of O2 is ……………….. 16
Carborundum (silicon carbide), SiC, is a very hard material used as an abrasive on sandpaper and in other applications. It is prepared by the reaction of pure sand, SiO2, with carbon at high temperature. Carbon monoxide, CO, is the other product of this reaction. (a) Write the balanced equation for this reaction. (Omit states-of-matter from your answer. Use the lowest possible whole number coefficients.) (b) Calculate how many kilograms of SiO2 are required to produce 3.69 kg of SiC.
Methylhydrazine, N2H3CH3(l), is used with the oxidizer dinitrogentetroxide, N2O4(l), to power the steering rockets of theSpace Shuttle orbiter. The reaction of these two substancesproduces N2, CO2, and H2O. Write a balanced equation forthis reaction.

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