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A solution contains 0.400 mol of calcium nitrate as well as 6.500 mol of water. Compute the vapor pressure of the solution at 55 degrees Celsius. The vapor pressure of pure water at 55 degrees Celsius is 118.1torr. Presume that the solute completely dissociates.
The density of a gaseous compound was found to be 1.23 g L-1 at 330 K and 25.5 kPa. What is the molar mass of the compound?
If it takes three "breaths" to blow up a balloon to 1.2 \rm L, and each breath supplies the balloon with 0.060 moles of exhaled air, how many moles of air are in a 3.0 \rm L balloon
If emitted particles with a given diameter are found to settle out after 7 days, how long would it take a particle of the same material with 1x the diameter to settle out?
A 20.0-mL sample of this glucose solution was diluted to 0.500 L . How many grams of glucose are in 100. of the final solution
Construct a plot of the Gibbs free energy of this system as a function of partial pressures of BrCl as the reaction approaches equilibrium.
it takes 480. joules amount of energy to increase the temperature of 103.1 grams mercury from 20.0degc to 53.5degc.
What is the pH of a solution prepared by dissolving 0.10 mol sodium acetate and 0.20 mol of acetic acid in enough water to make 2.0 L? Ka= 1.75 *10^-5
Write the correct equation for the principal B/L acid/base equilibrium reaction in 0.1 M (H4N)2So4.
What mass of lithium phosphate is needed to prepare 600 ml of a solution having a lithium ion concentration of 0.225 M?
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24 0C
Calculate the vapor pressure of each component, the total pressure, and the composition of the vapor phase when the mole fraction of Br2 is 0.050. Assume that the conditions of an ideal dilute solution are satisfied at this concentration.
what is the purpose of anhydrous CaCl2? Why it is important that none of the solid CaCl2 be included in the final distillation of your 1-bromobutane?
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