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Fats can be either optically active or inactive, depending on their structure. Draw the structure of an optically active fat that yields 2 equiv of stearic acid and 1 equiv of oleic acid on hydrolysis. Draw the structure of an optically inactive fat that yields the same products.
It is estimated that about 0.02 m3 of pyrite (density 5 g/cm3) has "disappeared" from a rock face that is adjacent to a lake (original pH=6.7) with dimensions 100 m x 40 m x 10 m.
Solve an equilibrium problem (using an ICE table) to calculate the pH of a solution that is 0.185 M in HC2H3O2 and 0.120 M in KC2H3O2
Prepare an electrochemical cell by connecting the negative terminal of a voltmeter to a strip of zinc in a solution of 0.500 M ZnCl2(aq) and the positive terminal to a strip of copper in a solution of 0.100 M CuCl2(aq). The two half-cells are conn..
what would happen to the average kinetic energy of the molecules of a gas sample if the temperature of the sample
Consider an electrochemical cell with a cobalt electrode immersed in 1.0 M Co2+ and a lead electrode immersed in 1.0 M Pb2+. Co2+ + 2e- --> Co E0 = -0.28 V Pb2+ + 2e- --> Pb
a 6.0-g sample of nih2o6cl2 is dissolved in aqueous solution. if an excess of ethylenediamine en is added to the
Consider the combustion of liquid ethanol. a) Write the complete balanced chemical equation for the reaction, including state subscripts. b) Calculate the change in enthalpy per mole of ethanol.
A 45.8 mL sample of a 5.8 M KNO3 solution is diluted to 1.00 L. What volume of the diluted solutions contains 15.0 g of potassium nitrate
A mixture is made by combining 1.39 lb of salt and 5.07 lb of water. What is the percentage of salt (by mass) in this mixture?
a 75.0 ml sample of potassium hydroxide koh of unknown concentration is titrated with 42.5 ml of 0.575 m acetic acid.
the usefulness of the addition of an internal retention time standard that elutes near the end of the chromatogram
Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and water separated by a thin plastic divider. When the divider is broken, the ammonium nitrate dissolves according to the following endothermic reactio..
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