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Allicin is the compound responsible for the characteristic smell of garlic. An analysis of the compound gives the following percent composition by mass: C: 44.4 percent; H: 6.21 percent; S: 39.5 percent; O: 9.86 percent. Calculate its empirical formula. What is its molecular formula given that its molar mass is about 486g?
A 2.00-g sample of white solid was vaporized in a 345-mL vessel. If the vapor has a pressure of 985 mmHg at 158°C, what is the molecular mass of the solid?
From the heats of reaction as given 3O2(g) ---> 2O3(g) DH = +284.6 kJ, 2H2(g) + O2(g) ---> 2H2O(g) DH = -483.6 kJ
describe and explain the possible effect on your results of the following experimental errors or variations. in each case, specify the component(s) whose percentage(s)
The first facility discharges 100 L/s of wastewater contaminated with 1 mg Cr/L, while the second one discharges at a rate of 50 L/s and a concentration of 15 mgCr/L. Consider the cross-sectional area of the river is 20 m2 after all discharges. Ca..
1. Draw the mechanism for the methanolysis of 1-bromo-1-methylcylohexane 2. Draw a free energy diagram for the above reaction
Why does dropwise addition of acetophenone to a grignard reagent warrant precautions in lab?
Suppose that each of the following pairs of compounds are being used as reactants in this experiment. Draw structures of the intermediate imines formed,
Suppose a sample of Zn(s) is reacted with HCl(aq) to form hydrogen gas. Explain the H2 gas bubbles out of aqueous solution and is collected in a 552.0mL container at 618.3 Torr and 25 C. Explain how many grams of zinc reacted. Be sure to account f..
the IUPAC name for the aniline C6H5NH2 with both CH3 and CH2CH2CH3 attached to the nitrogen molecule?
Based on this equation, what is the value of the Rydberg constant (R) in m-1? (5 significant figures)
Butadiene, C4H6 (used to make synthetic rubber and latex paints) changes into C8H12 with a rate law of rate = 0.014 L/(mol·s) [C4H6]2. What will be the concentration of C4H6 after 2.0 hours if the initial concentration is 0.025 M
ethylenediamine is a bidentale ligand. if the coordination number of a metal is 6 how many ethylenediiamine molecules
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