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What occurs at the molecular level of an extraction? We did an extraction of benzoic acid using NaOH and diethyl ether dried to 1, 4-dimethoxybenzoate using NaOh. What occurs at molecular level of an acid base reaction?
if 0.80 g of sulfur dioxide at 10.00 atm pressure (pi) dissolves in 5.00 l of water at 25.0 degress celcius how much will sulphur dioxide dissolve in 1 l of water at 9.00 atm pressure (p2) and the same temperature?
A gas has a volume of 150 ml when its pressure is 0.947 atm. What will the volume of the gas be at a pressure of .987 atm, if the temperature remains constant
A 347 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present.
The contents of one 80. lb bag of topsoil will cover 30. square feet of ground to a depth of 1.7 in. What number of bags are needed to cover a plot that measures 600. by 700. m to a depth of 1.5 cm.
Write the balanced net ionic equations for the reactions that occur in each of the given cases as. Cr2(SO4)3(aq) + 3(NH4)2CO3 (aq) = Cr2(CO3)3 ( s) + 3(NH4)2SO4 ( aq).
what is the volume in milliliters of 20.0 g of acetone if the density of acetone is .791 g/ml?
Assume the density of the vinegar solution is 1.00 g/mL and 5.00% by mass acetic acid. Determine the volume of vinegar that can be neutralized with 25.0 mL of 0.100 M NaOH.
What is the volume of 290. mL of oxygen gas at 112°C and 790. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
a typical aspirin tablet contains 324 mg of aspirin (acetylsalicylic acid, C9H8O4, Ka = 3.0×10-4). Imagine you dissolve two aspirin tablets in a 275 mL glass of water. Calculate the solution's pH.
Determine what is element Y if you have a compound consists of element "Y" and H, only and know that it is 79.89% element Y by mass. Each molecule has 3.00 times as many H atoms as Y atoms?
A mixture of 0.1079 M CO (g) and 0.1079 M H2O(g) was allowed to react and come to equilibrium at some temperature. If Kc = 5.668, what is the equilibrium molar concentration of H2 for the reaction.
osmium has a density of 22.6 g/cm3. what volume (in mL) would be occupied by a 21.8 g sample of osmium?
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