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The statements in the following multiple choices deal with the relationship between solute concentration and various colligative properties. Choose the statement which is true. a) Increasing the concentration of a nonvolatile solute in water decreases the osmotic pressure of the solution. b) Decreasing the concentration of a nonvolatile solute in water decreases the boiling point of the solution. c) Increasing the concentration of a nonvolatile solute in water decreases the boiling point of the solution. d) Decreasing the concentration of a nonvolatile solute in water decreases the vapor pressure of the solution. e) Decreasing the concentration of a nonvolatile solute in water decreases the freezing point of the solution.
What is the ionization state of aniline (protonated, deprotonated, or a mix) at pH 1, 4.6, and 14?
Why is the ability to separate 2 liquids by fractional distillation drastically reduced if heat is applied too rapidly to the distillation flask
determine whether a solid forms when solutions containing the following salts are mixed. if so write the net ionic equation for the reaction. a)Na3PO4(aq) and AgNO3(aq). b)K2SO4(aq) and Na2CO3(aq). c)Pb(NO3)2(aq) and Na2CO3(aq). d)BaCl2(aq) and KO..
Ozone reacts with nitric oxide discharged from jet planes to form oxygen gas and nitrogen dioxide. 0.740g of ozone react with 0.670g of nitric oxide. Determine the identity and quantity of the reactant supplied in excess.
Calcultae the observed rotation of a mixture of + and - tartaric acid containing 60% of the S isomer
Consider the reaction CuSO4(s) ! CuO(s) + SO3(g) . If G? = -14.6 kJ at 950?C for this reaction, calculate G for an SO3(g) pressure of 50 bar at this temperature.
calculate w for the following reactions that occur at 298k and 1 atm pressure, CO2(g) + NaOH(s) -> NaHCO3(s) and 3O2(g) -> 2O3(g)
How much heat is needed to convert 10.0 g of ice at -25.0ºC to water at 80.0ºC?
When butane (C4H10) reacts with oxygen, ... carbon dioxide and water are produced. The balanced equation for this reaction is
a piece of metal with a mass of147g is placed in a 50ml graduated cylinder. the water level rises from 20ml to 41ml. what density of the metal?
students are advised to dispose of the 95% ethanol mother liquor from the recrystallization step n the nitration of bromobenzene in a waste bottle for halogented wastes while the same solvent used for the recrystallization
A 15.0 L flask contains 2.00 moles of N2 and 6.00 moles of H2 at 728 oC. A. Before any reaction takes place, what is the partial pressure of N2 in the flask?
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