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Problem- An aqueous solution has a normal boiling point of 103 c. What is the freezing point of his solution? For Water Kb= 0.51 C/m and Kf= 1.86 C/,
Answer showing how to make each solution will get rated
An aqueous solution of iron (III) chloride reacts with magnesium solid to give solid iron an aqueous magnesium chloride. Write the balanced equation for this reaction.
A stellar object is emitting radiation at 3.75 mm. If the detector is capturing 3.3*10^8 protons per second at this wavelength, what is the total energy of the photons detected in one hour
compare the stabilities of each of the four conjugate bases that would be formed from the doprotonation of the four different OH groups and determine which of hte OH is most acidic.
Ignoring activities find out the molar solubility of copper (I) aside (CuN3) in a solution with a pH of 12.04. Ksp (CuN3) = 4.9 × 10-9; Ka (HN3) = 2.2 × 10-5.
Calculate the molecule weight of the liquid If 2.31grams of the vapor of a volatile liquid is able to fill a 498-ml flask at temperature of 100 degree Celsius and pressure of 775 mm Hg? also determine the density of the vapor under these conditi..
Gibbs Free Energy and Equilibrium The reaction SO2(g)+2H2S(g)?3S(s)+2H2O(g) is the basis of a suggested method for removal of SO2 from power-plant stack gases
Compare and contrast temperature and heat.When bonds or attractions are formed is the energy change given a negative or positive sign? Explain.
If barium needs a minimum frequency of 6.07x10^14 s-1 to eject electrons, calculate the kinetic energy of the electron emitted when barium is illuminated with a wavelength of 385 nm
If a 0.3146-g sample of a mixture of NaCl(s) and KBr(s) was dissolved in water. Then the resulting solution required 53.60 mL of 0.08765 M AgNO3(aq) to precipitate the Cl-(aq) and Br-(aq) as AgCl(s) and AgBr(s). Compute the mass percentages of NaC..
In the balanced molecular equation for the neutralization reaction between phosphoric acid and potassium hydroxide, the products are: a. 3H2O b. K3PO4 + 3H2O c. KPO4 + H3OH d. K+(aq) + PO43-(aq) + 3H+ + 3OH-
an equilibrium mixture at 594degc in a 1342-ml container involving the chemical systemnbspn2g 3h2g 2nh3gnbspis found
The yield of the reaction to form your chalcone is not quantitative. What side products might be formed from your aldol condensation?
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