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An unknown solution of ethanol was titrated with 25.0ml of .02M solution of potassium dichromate in sulfuric acid in sulfuric acid. Determine the mass (in grams) of ethanol in the unknown sample?
Although the mechanism of the coupling process is not well understood, it is known that ratre appears to depend on the square of the concentration of the halide.
Calculate the pH of the solution at the half equivalence point. Explain how the pH at the half equivalence point is related to Ka for the weak acid.
the pH of a neutral solution is 7.83. What is the value of Kw at that temperature?
a balloon is filled to a volume of 5.0 102 ml at a temperature of 29.0degc. the balloon is then cooled at constant
2C_4H_{10}{(g)}+13O_2 {(g)}\rightarrow 10H_2O{(g)}+8CO_2{(g)} USE the balanced equation to answer both! Calculate the mass of water produced when 2.99 of butane reacts with excess oxygen. Calculate the mass of butane needed to produce 98.2g of car..
Calculate the pressure of 1.00 mole of CH4 in a 1.00 L container at 300.0 K using first the vand der Waals equation
Calculate the molar solubility of PbCl2 in a 0.20 M NaCl solution. The Ksp of PbCl2 = 1.7 x 10-5. Can any assumptions be made to simplify this calculation
consider the given case as first anionsnbsp will not precipitate in the presence of agno3 and second anions get
in the commercial manufacture of nitric acid how many liters of nitrogen dioxide will produce 30 liters of nitric oxide
sodium will react with oxygen to form sodium oxide. use the formula below to determine how many grams of sodium oxide
the consentration of the reactant to drop to 25% of its inital value. what is the rate constant for reaction?
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane. Draw the organic product resulting from using these chemicals in the Wittig reaction.
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