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A) Unknown X, C5H9Br, doesn't react with bromine or with dilute KMnO4. Upon treatment with H3O+ gives only one product, Y, C5H8. Unlike X, Y decolorizes bromine and changes KMnO4 from purple to brown. Catalyze hydrogenation of Y gives methylcyclobutane. Ozonolysis/reduction of Y offers dialdehyde Z, C5H8O2. Give consistent structure for X, Y and Z. Define is there any aspect of the structure of X that is still unknown?
B) Halogens are added to alkenes with anti-stereochemistry via the halonium ion mechanism. But when 1 phenylcyclohexe reacts with chlorine in CCl4, a mixture of cis and trans isomers of products is obtained. Offers a mechanism to define the lack of strereospecificity.
A sample of oxygen gas is collected over water at 23 Celsius at a barometric pressure of 751mmHg (the vapor pressure of water at 23 Celsius = 21mmHg). The partial pressure of oxygen gas in the sample collected is
How many moles of AgCl are produced when 100.0 mL 0.387 M silver nitrate, AgNO3, and 50.0 mL of 0.774 M sodium chloride, NaCl, are mixed AgNO3(aq)+NaCl(aq)---->AgCl(s)+NaNO3(aq)
The decomposition of potassium chlorate (KClO3 ) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 24.1 mol of oxygen?
the second contains 0.1 mol Na2S , and the third contains 0.1 mol CaCl2 . What net ionic equations for the precipitation reaction or reactions that occur. What are the spectator ions in the solution
Draw the MO diagram for S2 and indicate all atomic and molecular orbitals for both core and valence electrons.
calculate the sodium ion concentration in a solution formed by diluting 35.00 mL of a .585 M sodium phosphate solution to a final volume of 145.00 mL
a buffer solution is prepared by mixing 75ml of a 0.275m ofc7h5o2f wilth 55ml of a 0.472m solution of c7h4o2fna. the
If a second experiment is done with half as much H2O2 as the experiment in question 1, and the solution turns blue in 180 seconds, what is the order of the reaction with respect to H2O2?
What is the concentration of ammonium ion in a pH 9 solution that forms when concentrated NaOH is added
An analysis of fatty acids is desired. These fatty acids have boiling points in excess of 275O C. The sample is extracted with methanol to obtain a solution that only contains the fatty acids.
gas tank holds 42kg of gasoline. when gasoline burns 147kg og oxygen are consumed and carbon dioxide and water are
A sample of molten iron occupies of a volume of 7.11 x 10-3 L. If the density of iron is 7.86 g/cm3, what is the mass of iron in grams in the sample?
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