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If the volume of an unknown liquid is measured and found to be 6.510 L, what is the volume of the unknown liquid in milliliters?
A 250.0 mL aliquot of 2.50 M H2SO4 solution is mixed with a 250.0 mL aliquot of 4.00 M HNO3 solution. What is the molarity of hydrogen ions in the combined solution.
For carbon tetrachloride, the boiling point constant is 5.03°C · kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.
What is the [OH-] in a solution that has a [H3O+] = 1 x 10-6 M?
Calculate the wavelength of the light that is absorbed for the electron's transition from n = 5 to n = 6 in Be3+ ion. (ans in nm.)
What are two primary advantages of using nuclear power? Uranium reserves on our planet are 5 million metric tons.
If 10.0mL of acetic acid, CH3COOH, is diluted with water to a total volume of 200.0mL, what is the percent by volume of acetic acid in the solution.
A close chemical relative of the banned insecticide DDT is methoxychlor (C16H15Cl3O2). Methoxychlor is currently used as a home insecticide. Calculate the mass percent of oxygen in methoxychlor.
Does ammonium chloride added to water produce a simple solution, does the ammounium chloride dissociate or does a chemical reaction occur resulting in a new set of compounds.
A water sample has a pH of 8.21 and a total calcium concentration of 143 ppm. What is the total alkalinity of the water?
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
When 79.272 cg of nitrogen gas is reacted with 79.272 cg of hydrogen gas, how many grams of ammonia are formed?
For a particular reaction, H = -30. kJ and S = -88 J/K. Assume that H and S do not vary with temperature
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