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A compound containing nitrogen and oxygen is decomposed in the laboratory and produces 1.78 g of nitrogen and 4.05 g of oxygen.Calculate the empirical formula of the compound.
A solution of 120 mL of 0.150 M KOH is mixed with a solution of 280 mL of 0.250 M NiSO4. How many grams of the precipitate can be formed?
Gaseous carbonyl sulfide reacts according to the balanced equation. If a total of 3370 kJ of heat is generated in the reaction as written, how many moles of SO2 are produced?
A voltic cell with an aqueous electrolyte is based on the reaction between Cd2+ (qu) and Mg(s), producing Cd (s) and Mg2+. Write a balanced cell reaction.
At its boiling point of -34.0 degree Celsius, 6.33 kJ of heat is required to vaporize 22.0 g of chlorine (Cl2). What is the molar enthalpy of vaporization of chlorine.
The freezing point depression constant, Kf, for water is 1.86?C/m. Suppose that 5.00 g of mercury(I) nitrate was dissolved in 100.0 g of water
How do I determine the concentration of 2 separate acids in a solution of water if I know the overall pH of the solution? There exists both formic acid and acetic acid in a 1 liter solution of water. The overall solution pH is stated as 4.0 and it ..
why is it important to have gas laws relating to this hypothetical situation?
Indicate what precipitates, if any, form when solutions of each of the following are added to a solution containing the Group I cations.
since the soulutions are dilute, assume that all the solutions have the same density and specific heat capacity of water. the heat capacity of the calorimeter is insignificant.
How many molecules of carbon dioxide are produced when 130 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
A 25.0 mL sample of 0.150 M nitrous acid is titrated with a 0.150 M NaOH solution. What is the pH at the equivalence point? The Ka of nitrous acid is 4.50 x 10-4.
distinguish between an organic molecule that is dextrorotary and one that is levorotary.
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