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Calculate the ph at the equivalence point for the titration of .250 methylamine and .250 HCL. The Kb of methylamine is 5.0X10^-4
how long would it take for 1.50mol of water at 100.0 degrees to be converted completely into steam if heat were added
Draw a Lewis structure for BrF with an arrow representing that dipole moment. Estimate the percent ionic character of the BrF bond. Which way does the dipole moment point
What you observed upon the addition of NH3(aq) to magnesium chloride solution / what species are present in the test tube?and what happened when we add NH4Cl? Explain this observation with respect to the equilibrium reactions that exist in the test..
What is the hybridization of the nitrogen atom in sulfathiazole? Assuming that the sulfur atom is sp2-hybridized, how many -electrons are there in the sulfathiazole ring?
write the balance the eguation fot the neutralization reaction between H2 SO4 KCH
The diatomic molecule AB has a dipole moment of 1.21 D and the A-B bond distance is 115 pm. Determine the percent ionic character of the bond in AB
determine the net change of oxidation number of each of the elements in the redox equations.
Identify which of the following statements about the halogenation of alkane hydrocarbons are correct. a) Halogenation of alkanes follows a chain mechanism.
The balloon is blown up with air from a starting volume of 1 m3 to a volume of 3 m3. Find the final mass of air assuming it is at 25oC and the work done by the air
In terms of ionic equilibria and solubility product theory, explain dissolution of silver chloride in aqueous ammonia and reprecipitation with nitric acid
The radius of a potassium atom is 235 pm. Determine the density of potassium in g/cm3.
What products are generated by the yeast enzyme fermentation of fruit sugar. Write out this chemical reaction.
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