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for [Co(en)(NH3)2Cl2]ClO4 identify the coordination number of cobalt, the coordination geometry for cobalt, the oxidation number of cobalt, the number of unpaired electrons
cubic centimeter of rubber is worn off an automobile tire with each revolution of the wheel?
How you will protect an underground pipe line from corrosion and what are biodegradable polymers or what are conducting polymers
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately. What is wrong with your setup
2 mol of a compound is allowed to react in a foam coffee cup that contains 101 grams of water. the reaction caused the temperature of the water to rise from 21 to 24.7 C. What is the enthalpy of the reaction?Assume that no heat is lost to the surr..
Calculate the molarity of a solution made by dissolving 0.850 grams of Na2SO4 in enough water to form exactly 930 mL of solution.
A solution is made by mixing 500 mL of .167 M NaOH with 500 mL of .1 M CH3COOH. Calculate the equalibrium concentrations of H+. CH3COOH, CH3COO-, OH- and Na+
What is the concentration of the dilute aspirin? a. What is the concentration of the aspirin in the dilute aspirin solution? b. What is the concentration of the original solution ? C. How many mg of aspirin are present in one tablet of Brand Y asp..
Measurements also show that a certain sample of the unknown compound contains 9.8 mol of oxygen and 3.31 mol of chromium.
Calculate the pH at the equivalence point for the titration of 0.170 M methylamine (CH3NH2) with 0.170 M HCl. The Kb of methylamine is 5.0× 10-4.
What is the molecular formula of a gas that has a density of 1.88 g/L at STP? this is not the actual numbers but it would be nice to know how to do this.
what mass in grams of hydrogen gas is produced if 20 mol of Zn are added to excess hydrochloric acid according to Zn+2HCl yields ZnCl2+H2?
Calculate the pH at the equivalence point for titrating 0.170 M solutions of each of the following bases with 0.170 M HBr. a)sodium hydroxide
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