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Calculate the wavelength in nanometers of the spectral line of hydrogen for which n2n1 = 6 and = 3. 4 sig figs
a) Explain the mechanism of formation of the products. b) Explain the relative proportion of the products on the basis of their structures.
explain with revelant mechanism why sec-butly alcohol loses its optical activity in sulfuric acid but retains its
It takes 1.35 kJ of energy to heat a sample of pure silver from 12.0°C to 15.5°C. Calculate the mass of the sample of silver.
make up a solution of an unknown that will contain lead, silver, mercury(I), copper, manganese, barium, and sodium ions, all in the same solution.
Calculate how many milliliters of 0.100 M HCl shoule be added to how many grams of sodium acetate dihydrate (NaC2H3O2 x 2H2O) at 5 degrees C to prepare 250.0 mL of a 0.100 M buffer at a pH=5.00. At 5 degrees C
the rate of effusion of a particular gas was measured and found to be 24.0 mlmin. under the same conditions the rate of
What is the Total Ionic Equation for:2Al + 2KOH + 6H2O = 2KAl(OH)4 +3H2
Assume the only MgCO3 could produce gas CO2 what percent of original sample was magnesium carbonate? What was the pressure of the CO2 produced
Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.
how much glucose wii be burnt in the body in one hr and what is the heat produced? room temperature =27 oc and enthalpy of combustion of glucose = - 2822.5 kj /mol at 20 oc
Calculate the pH at equivalence. The pKb of pyridine is 8.77.
you know that a number 8 less than 60 is the number 52. so you could rewrite your answer from the previous part as what
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