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Which of the following has a dipole moment? (Please give an explanation) A) CO2 B) BCl3 C) BrF3 D) more than one of these E) none of these
The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.60 mL of a 0.330 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.
A bottle containing 335 of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
Calculate the mass of water formed by the complete reaction of 935 g of propane (C3H8) with excess oxygen. (Write a balanced equation)
A cube has a volume of 8.0cm (to the 3rd power) and a mass of 21.6 grams. The density of the cube, in grams per cubic centimeter, is best expressed as
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
In an acid-base titration 14.7 mL of .107M NaOH (aq) sodium hydroxide is needed to react to an end point with .1252 grams of H2C2O4 oxalic acid. Determine the molarity of the aqueous sodium hydroxide solution. 2NaOH + H2C2O4 ----> 2HOH + Na2C2O4
At 700 K, the equilibrium constant, Kc, for the reaction H2 + I2 2 HI is 49.0. How many moles of H2 would have to be added to 1.00 mole of I2 in a 10.0-L flask to get a 90.0% yield
for the reaction Mg+2HCl yeilds H2+MgCl2, calculate the percentage yield of magnesium chloride if 100.g of magnesium react with excess hydrochloric acid to yield 330.g of magnesium cholride.
Silver nitrate reacts with ferric chloride to give silver chloride a ferric nitrate. In a particular expriment, it was planned to mix a solution .
A reaction is begun with a reaction mixture containing the following: [dye] = 1.0 x 10-4 M [bleach] = 0.10 M When [dye] = 8.0 x 10-5 M the rate is determined to be 3.74 x 10-7 M/min. When [dye] = 4.0 x 10-5 M the rate is determined to be 1.71 10-7..
Outline a mechanism for the phtolysis of methyl butyrate assuming the reaction follows a patter similar to 2-pentanone.
Archeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive slope 14C present in the object. The amount of isolope decreases in a first-ordrr process.
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