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A 0.109 m aqueous formic acid solution (HCOOH) freezes at -0.210 ºC. Calculate the van't Hoff factor of formic acid (e.g.amount dissociated/total amount of formic acid).
Initally, only H2S is present at a pressure of 0.123 atm in a closed container. What is the total pressure in the container at equilibrium
Calculate the enthalpy of vaporization of Br2. This element has vapor pressures of 271 mm Hg and 565 mm Hg at 30.0 °C and 50.0 °C, respectively.
argon copper sodium chloride and carbon dioxide all crystallize in the face centered cubic fcc structure. how can this
Question- Write the charge balance and mass balance equations for aqueous solution containing 0.010 M Na2SO4 and 0.0050 M CaCl2.
Given the bond length of 1.278 Angstroms and having a 116.8 degree angle, calculate the moment of inertia and the rotational constants A, B and C.
Explain The pentose phosphate pathway is another possible direction for G-6-P. What are the two major products of the pentose phosphate pathway
what is the maximum mass of sucralose (C12H19Cl3O8) you can add to 3.0 kg of pure water and still have the solution freeze? Assume that sucralose is a molecular solid and does not ionize when it dissolves in water
a solution of volume 25.00 ml containing 0.0311 m na2c2o4nbspwas titrated with 0.0257 m laclo43nbspto precipitate
Activity of a cation (M+) is 0.0487 mol/liter. Calculate the concentration of the cation if y=0.84. Show work.
What is the % Yield of the reaction if a student reacted 2.00 g of salicylic acid with excess acetyl chloride and after extraction and recrystallization the mass of aspirin was 1.45 g
Why is 2-naphthol soluble in sodium hydroxide? Q.3 why is o-toluic acid soluble in sodium bicarbonate?
What is covalent bonding? why is it different from ionic bonds?
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