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Depict the structures of all alkenyal side products that could be formed by dehydration of 1- methyl-2-butanol by an e1 mechanism
A radioactive sample contains 1.30g of an isotope with a half-life of 3.5 days. What mass of the isotope will remain after 5.6 days? (Assume no excretion of the nuclide from the body.)
What element has the same physical and chemical properties as magnesium and strontium but a lower atomic mass
Consider the titration of 100.0 mL of 0.110 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va= 0,2,5,8,10,10.1,11,11.1, and 12 mL Compute Ve, first.
the temperature inside a balloon is raised from 25.0 degc to 250.0 degc. if the volume of cold air was 10.0 l what is
The artificial sweetener aspartame is a dipeptide made from two amino acids, aspartic acid and phenylalaline. Write two possible structures for this peptide.
A 65.25 g sample of CuSO4•5H2O (M = 249.7) is dissolved in enough water to make 0.800 L of solution. What volume of this solution must be diluted with water to make 1.00 L of 0.100 M CuSO4
calculate the molarity and the molality of an nh3 solution made up of 27.5 g of nh3 in 70.0 g of water. the density of
What is the molarity of an unknown H2C2O4 solution if 10.0 mL of the H2C2O4 solution required 21.3 mL of 0.025 M KMnO4 solution to obtain
Assign oxidation numbers to all the elements in each of the following compounds or polyatomic ions: a)N2O b)LiOH c)SbO2^- d)IO4^-
Ammonium carbamate (NH2COONH4) is found in the blood and urine of mammals. At a temperature of 424 K, Kc = 0.080 for the following equilibrium:
aluminum will react with bromine to form aluminum bromide al2br6. what mass of bromine g is needed to form 1.03 mol of
opportunism in health care is especially perceptible in the health insurance markets. consider the area in which you
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