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1) The normal freezing point of water, H2O is 0.00 °C and its Kfp value is 1.86 °C/m.
Assuming complete dissociation of the electrolyte, if 14.54 grams of chromium(III) acetate (Cr(CH3COO)3, 229.2 g/mol) are dissolved in 278.8 grams of waterwhat is the freezing point of the solution?
__________ °C
2) The normal boiling point of water, H2O is 100.00 °C and its Kbp value is 0.512 °C/m.
Assuming complete dissociation of the electrolyte, if 12.53 grams of sodium chloride (NaCl, 58.44 g/mol) are dissolved in 157.8 grams of water, what is the boiling point of the solution?
_________°C
a small bar magnet experiences a 2.1 x 10-2nm torque when the axs of the magnet is at 45 degree to a 6.00 10-2 t
Show how to make N-methylpropionamide using propionic acid and methylamine and other necessary reagents. The methylamine and propionic acid do not both have to be used in the first step.
Rank the subsequent of increasing Vapor pressure at 25 degrees Celsius Argon,Hg,CH3OCH3, CH3CH2OH, C Which of the subsequent reactions have the largest delta s value NH3(g)+HCl(g) arrow NH4Cl(s) 2H2+O2(g) arrow 2H2O(g) C graphite arrows C diamond
Construct a plot of the Gibbs free energy of this system as a function of partial pressures of BrCl as the reaction approaches equilibrium.
You are given a 76.0% solution of sulfuric acid, H2SO4. What is the molality of this solution. The density of the H2SO4 solution is 1.278 g/mL.
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively
Problem- Draw all stereoisomers for 2, 4 dimbromo-2, 4-dimethylpentane using the fisher projections for each of the determined stereoisomers. Then label the stereoisomers as either enantiomers, diastereomers or meso.
how many grams of copper hydroxide can be prepared from 2.7 g of copper(II)nitrate and excess sodium hydroxide?
Briefly describe the pathway of the protons and electrons of two hydrogen atoms that come from NADH/H+ and pass through the electron transport chain apparatus (including complexes I - V). What are the major electron carriers within these complexes
the first ionization energy of lead pb is 716 kjmol. if a pb atom is ionized using a photon of ultraviolet radiation
what precipitate would form if calcium chloride, 5% dextrose, 0.9% sodium chloride, and potassium phosphate
If 3.6 g of butanoic acid, C4H8O2 is dissolved in enough water to make 1.0 L of solution, explain what is the resulting pH. A table with Ka values can be found here.
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