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Consider a gaseous binary compound with a molar mass of 62.09g/mol. When 1.39g of this compound is completely burned in excess oxygen, 1.21g of water is formad. Determine the formula of the compound. Assume water is the only product that contains hydrogen.
Concentrated ethanol solutions can be used to kill microorganisms. At low concentrations, however, such as in some wines, the microorganisms can survive and cause oxidation of the alcohol. What is the structure of the acid formed
Aluminum metal shaving (10g) was placed in 100mL of 6.00M hydrochloric acid. What is the mass of hydrogen gas that can be produced. 2Al (s) + 6HCl (aq) -----> 2AlCl3 + 3H2 (g)
The natural abundance of 107 Ag is 51.84%. How many 107 Ag atoms are present in a piece of silver weighing 150 mg?
if 1.56g of a gas has a volume of 1.00 l at .984 atm and 50 degrees celcius what is the molar mass of the
Draw four structures corresponding to dihedral angles of 0, 60, 120 and 180 degrees. Clearly indicate the best and worst in this set.
What will the pH of the equivalence point be when 10.00 mL of .0200M Carbonic acid is fully titrated to the 2nd end point using .05 M NaOH?
What is the total combined mass of carbon dioxide and water that is produced when an automobile gasoline tank holds 20 of gasoline. When the gasoline burns, 85 of oxygen is consumed and carbon dioxide and water are produced?
For the formation of a photchromic imine you use ammonium bromide. Give 2 reasons why you cannot use concentrated HBr.
A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1.0 M nickel(II) ion solution and another electrode composed of copper in a 1.0 M copper(I) ion solution, connected by a salt bridge. Calculate the standard potential for t..
What is the relationship between coordination number, packing, and density (as mass/volume). How do the two more efficient forms of packing compare regarding volume.
What is the molarity of a sodium hydroxide solution if 25.0 mL of this solution reacts exactly with 22.30 mL of .253 M sulfuric acid
what will be the osmotic pressure of a solution when 4.5 x 10-5 mol of a solute is dissolved in 152.0 ml of solution at
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