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A gas mixtue of Ne and Ar has a toal pressure of 4.00 atm and contains 16.0 mol of gas. If the partial pressure of Ne is 2.75 atm, how many moles of Ar are in the mixture
the advantages and disadvantages of using methanol, ethanol and water as a solvent for reactions with sodium borohydride?
How many micrograms of fluoride are present in 2.0 g of a solution that has a fluoride concentration
The mole fraction of A in the vapor is found to be 0.67. What is the mole fraction of A in the solution?
The entatic state theorem proposes that enzymes create at the active site an area with its energy closer to that of a unimolecular transition state, rather than that corresponding to a conventional, limiting form of the molecule
Calculate the amount of N2 gas released (in liters at 37oC and 1 atm) when the diver returns to the surface of the water, where the partial pressure of N2 is 0.80 atm.
If a mixture of gases contained 78% nitrogen at a pressure of and 22% carbon dioxide at 345 torr, what is the total pressure of the system?
Consider that there is 26.38 g NaCl in a solution that has a total volume of 1,780 mL with a density of 0.8495 g/mL. A) What is the molarity of NaCl? B)What is the mass/mass %?
what is the K value for compound Z in this biphasic system, (2) how much do you remove in each individual extraction, (3) how much of compound Z is extracted with those three 33.3 mL extractions added together, AND (4) how much is still in the wat..
How many mL of 6.0M H2SO4 are required to react with .80g of CuO according to the equation CuO
In a titration of HNO3, you add a few drops of phenolphthalein indicatior to 50.00 mL of acid in a flask. You quickly add 20.00 mL of 0.143 M NaOH but overshoot the end point
A student needs 65g of butonic acid for a reaction. The student has 450g of a 43% in ethanol.
How many grams of dipotassium phthalate (242.3 g/mol) must be added to 700 mL of 0.175 M potassium hydrogen phthalate to give a buffer of pH 6.00?
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