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What would be the wavelength of a photon that would be able to break the Cl-Cl bond in Cl2. The bond energy in Cl2 is 243 kJ/mol.
What is the pH of a 1L buffer containing 1.5M Acetic Acid and 1.0M Sodium Acetate? What is the pH of the buffer when 0.5 moles of NaOH is added to solution? Assume no change in volume.
Adipic acid can be prepared by the oxidation cleaveage of the CC double bond of cyclohexne. If you require 12.5g of adipic acid what volume of cyclohexene
A clear container becomes a uniform color after a small amount of colored gas is added. A raindrop falls to earth.
Calculate the pH of a 1.36x10^-2M solution of the decongestant ephedrine hydrochloride if the pKb of ephedrine (its conjugate base) is 3.86.
Which of the following molecules would a flame ionization detector (FID) be sensitive to after separation on a gas chromatography column?
SrCO3 is a sparingly soluble salt. Using the Ksp from the appendix, a) Determine the concentrations Sr2+ and CO32- when SrCO3 is dissolved in pure water ignoring secondary reactions of Sr2+ and CO32-
Many home barbeques are fueled with propane gas C3H8 What mass of carbon dioxide (in kg}) is produced upon the complete combustion of 18.9 { L} of propane (approximate contents of one 5-gallon tank)
18.6 grams of a solute with molecular mass of 8940 grams are dissolved in enough water to make 1.00 dm? of solution at 25 àC. What is the osmotic pressure of the solution?
In the reaction BaCO3 + 2HNO3 -> Ba(NO3)2+CO2+H2O, what mass of Ba(NO3)2 can be formed by combining 55g BaCO3 and 26g HNO3?
Hydrochloric acid reacts with zinc metal to form zinc chloride and hydrogen gas. If 345.2 g of zinc metal reacts with 231.6 grams of acid. How many liters of hydrogen gas are produced? How many moles of zinc chloride are produced?
The piece of iron with a mass 102.9g was submerged in a graduated cylinder filled with water. The initial level of water was 20.0 ml. The density of iron is 7.86 g/ml.
Consider the reaction CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced
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