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Explain a solution is prepared by dissolving 57.87 grams of NaCl in enough water to make 2525mL of solution. Explain what is the molarity of the solution?
What is the strongest intermolecular force in a liquid containing molecules with nonpolar bonds
chlorine has an average atomic mass of 35.453 amu. the main isotopes of chlorine are 35cl which has an atomic mass of
2.00 l of h2 at a pressure of 368 torr and 1.00 l of n2 at an unknown pressure. if the total pressure in the flasks is
How much PV work is done (in kilojoules) and what is the value of deltaE (in kilojoules) for the reaction of 6.50g of acetylene at atmospheric pressure if the volume change is -2.80 L?
A sample of nitrogen gas is contained in a piston with a freely moving cylinder. At 0 C,the volume of the gas is 361 mL. To what temperature must the gas be heated to occupy a volume of 492 mL.
Starting with BCl3, give the steps for the synthesis of the following compounds (indicate the organic compounds or special reagents used)
Four moles of N2 Nitrogen grams at 500K and 2.00 bar undergo a reversible adiabatic compression to a final temperature of 1000K. Calculate w,q,?U and ?H for the process, assuming that N2 gram is ideal with Cp=30.5JK^-1mol^-1
In an oversight in the experiment Jamie did not add the 4-5 additional drops of 6M HNO3. As a result, will the reported number of moles of oxygen be too high or too low in the final product. Explain.
Write the Henderson-Hasselbalch equation for a solution of propanoic acid (CH3CH2CO2H, pKa = 4.874 ) using HA and A- in the expression. Using this equation, calculate the quotient [A-]/[HA] at A) pH 4.01 B) pH 4.874 C) pH 5.20
A piece of metal with mass of 147 g is placed in 50-mL graduated cylinder.The water level rises from 20mL to 41ml. what is the density of the metal?
Starting with solid sodium chloride, how would you make one liter of 2.000 ppm sodium chloride solution
Calculate the pH of the solution after a)10.0mL b)20.0mL c)30.0 mL of acid have been added; pkb of (CH3)3N=4.19 at 25 degree celcius.
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