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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For my class data from reading a value off the buret with water inside my class results are 11.21, 11.23, 11.23, 11.23, 11.23, 11.24, 11.24, 11.25, 11.25, 11.25, 11.25, 11.25, 11.26, 11.28, 11.28, 11.29, 11.30 from increasing order.
Assume that the coffee has the same density, 0.997g/mL , and specific heat capacity, 4.184\rm J/(g\cdot K) , as water over this temperature range. Express the number of photons numerically.
How do you find the net ionic equation for Hg2Cl2(s) + 2NH3(aq) --> Hg(l) + HgNH2Cl(s) + NH4+(aq) + Cl-(aq)
Why does the temperature continually decrease as a solution containing solute freezes instead of maintaining a constant temperature as a pure liquid would do?
How does the chromatographic seperation ability of thin layer chromatography compare to seperation (resolving) power of column chromatography?
A reaction has a standard free-energy change of -12.30 kJ mol-1 (-2.940 kcal mol-1). Calculate the equilibrium constant for the reaction at 25 °C.
Determine the balanced chemical equation for this reaction. CaH18(g) + O2(g) > Ca2(g) + H2O(g) Enter the coefficients for each compound in order, separated by commas
As a side?reaction, organometallic reagents can react with atmospheric CO2 to produce metal carboxylates while the CaCl2 drying tube cannot prevent the incursion of CO2. Explain why this side?reaction is not expected to be problematic in this expe
Heart pacemakers are often powered by lithium-silver chromate "button" batteries. The overall cell reaction is: 2 Li(s) + Ag2CrO4(s) ? Li2CrO4(s) + 2 Ag(s) The overall cell potential is 3.5V. What is the half-cell potential for the follow half rea
Solution of Barium chlorate with a solution of Silver fluoride
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