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A mass of mercury occupies 0.950 L. What volume would an equal mass of ethanol occupy? The density of mercury is and the density of ethanol is 0.789 g/mL.
A 100.0 g sample of water at 90.°C is added to a 500.0 g sample of water at 10.°C. Calculate the final temperature of the water.
What is the percent by mass of NaHCO3 in a solution containing 80 g of NaHCO3 dissolved in 600 mL of H2O?
drinking water was determined in seven replicate measurements with the following results (in ppb): 1.84; 1.92; 1.94; 1.92; 1.85; 1.91; 1.97. What is the standard deviation of these measurements in ppb?
oxygen are mixed according to the equation 2 H2 + O2 = 2 H2O, which is the limiting reagent
What mass of sucrose should be combined with 493 g of water to make a solution with an osmotic pressure of 9.00 atm at 320 K? (Assume the density of the solution to be equal to the density of the solvent.)
Calculate the volume of dry CO2 produced at body temperature (37°C) and 0.966 atm when 26.0 g of glucose is consumed in this reaction.
What difficulties could you encounter trying to determine the cp of a chunk of metal that has a hollow center?
a sample of 0.600 moles of metal M reacts completely with excess of flourine to form 46.8g of MF2. How many moles of F are present in sample of MF2 that forms?
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
from the plots of the boiling point versus the volume of distillate in either of the fractional distillations of the ethanol-water mixture,what conclusion can you draw about the homogeneity of the distillate?
A student placed 13.0 g of glucose C6YH12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water
Liquid acetone was placed in a 3.00L flask, then vaporized at 95'C and 1.02 atm. The vapor filling the flask weighed 5.87g. Calculate the molar mass of acetone.
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