Explain a possible reduction product of nitrogen molecule
Which one of the products listed below is a possible reduction product of the nitrogen molecule? The nitrogen molecule was involved in a chemical reaction in which it underwent reduction.
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How much will be in account when individual retires at age of 65 if contributions start when person is 45 years old? How much extra money will be in account if individual stops making contribution at age 65 but defers retirement until age 70?
What is the cathode reaction when a solution of nickel (II) sulphate adjusted to a pH of 7 is electrolyzed, the green color of the solution becomes less intense and no gas bubbles are detected in the cathode chamber?
Emissions of sulfur dioxide by industry set off chemical changes in the atmosphere that result in "acid rain." The acidity of liquids is measured by pH on a scale of 0 to 14.
How many coulombs and electrons pass through the cell when a current of 0.5 Amps passes through a copper (II) sulphate solution for 15 minutes.
Illustrate the structure for the compound when a very old bottle labeled only "chlorinated benzene" was found in the stockroom.
Explain how much glucose, C6H12O6, should be used per liter for an intravenous injection that is to have the same osmotic pressure as blood when the osmotic pressure of blood at the normal body temperature of37oC is 7.65 atm.
Explain how much would the freezing point be lowered by the addition of 4.8 kg of Pre stone? (Ethylene glycol, C2H4 (OH)2, a non-electrolyte) if the radiator of an automobile contains 12 liters of water. The Kf for water is 1.86oC, m-1
The vapor pressure of methyl alcohol is 254 mm Hg at 40oC and at the same temperature the vapor pressure of ethyl alcohol is 135 mm Hg. Solutions of the two alcohols behave ideally; that is, they follow Raoult's law.
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