What is the freezing point in the given solutions
What is the freezing point in (C) the solutions below? For water, Kf=1.86 (Ckg)/mol. The vapor pressure of water at 45.0 C is 71.93mm Hg.
1. A solution of 12.5 g of urea, CH4N2O, in 135 g of water at 45 C.
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When trimethylamine, (CH3)3N, dissolves in water, it partially ionizes, producing the trimethylammonium ion, (CH3)3NH+. What effect, if any, would dissolving trimethylammonium chloride [(CH3)3NHCl], a soluble salt, in this solution have on the equili
At 500°C and 93.2 kPa, the mass density of sulfur vapour is 3.710 kg m-3. What is the molecular formula of sulfur under these conditions.
Calculate the average atomic mass in units of amu for iron (Fe) given that the naturally occurring element exists mainly as a mixture of Fe-56 (91.754%0), Fe-54 (5.845%), and Fe-57 (2.119%). Does your value agree with that shown in the periodic ta
Using formal charges, draw the resonance form from among all the Lewis structures that is most important in describing BeCl2
If someone ate 6259 mL of snow, how much water would they have consumed? How many kJ would be required to bring it to body temperature?
Suppose that 2.0mol H2 at 2.0atm and 25C and 4.0mol N2 at 3.0atm and 25C are mixed at constant volume. Calculate delta mix G. Also, what would be the value of delta mix G had the pressures been identical initially?
What is the chemical formula of the product formed from the reaction of calcium chloride and potassium oxalate? Make sure to include the correct number of waters of hydration.
An aqueous solution contains metal cations Hg^+2 and Mn^+2 belonging to groups 2 and 3 respectively. Thioacetamide which produces H2S is added and the solution is buffered to a pH of 8 by addition of NH3/NH4Cl
500.0 mL of 0.120 M NaOH is added to 575 mL of 0.200 M weak acid (Ka = 3.84 × 10-5). What is the pH of the resulting buffer. HA(aq) + OH^-(aq) ---> H20(l) + A^- (aq) pH=
Bromobutane can be converted to butan- ol using aqueous potassuim hydroxide solution. Outline one possible method. that does NOT involve the use of rate experiments, of determining wether the mechanism of the reaction is SN1 or SN2
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