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If 250.0 mL of 0.354 M Phosphoric acid need to be prepared, how many grams of H3PO4 need to be added to water to make this solution?
an energy of 353 kJ/mol is required to cause a Mg atom on a metal surface to lose an electron. calculate the loses frequency of that can ionize a Mg atom.
Predict what a plot of temperature versus the volume of distillate will look like for the simple distillation and the fractional distillation of
Converting between Units of Pressure Gases are different from solids and liquids. In a sample of gas, the molecules are far apart. The gas molecules also move around and collide with each other as well as with the walls of the container. These col..
4-isopropyl-2-methyl hexane and 2,4- dimethyl-3-t-butyl pentane are not genuine IUPAC names. what are the correct names and structure
Determine the Kelvin temperature required for 0.0470mol of gas to fill a balloon to 1.20L under 0.988atm pressure.
A compound is 42.9% C, 2.4% H, 16.7% N, and 38.1% O, by mass. Addition of 6.00 grams of this compound to 50.0 ml benzene, C6H6 (d = 0.879 g/mL), lowers the freezing point from 5.53 to 1.37 degrees celsius. What is the molecular formula of this com..
The reaction is first order and has a rate constant of 6.2 ? 10-5 /s at 35?C when the H+ concentration is 0.10 M. Suppose that the initial concentration of sucrose in the solution is 0.40 M. How many minutes will it take for the sucrose concentrat..
Write a short article about how chromatography is used in every day life. I've been unsuccessful finding much information on exactly how and why it is used for any specific task
what volume will a 300.0 mL sample of gas at STP occupy when the pressure is doubled at constant temperature
for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 425mL of a solution that has a concentration of Na+ ions of 1.50M?
What are the structures of the products that would be expected to be obtained on hydration of 1-octyne and 2-octyne?
The rate of disappearance of HBr in the gas phase reaction 2HBr (g) → H2 (g) + Br2 (g)
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