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What are the resonance structures and intermediates in the formation of bromoacetanilide from the reaction of acetanilide and bromine liquid with acetic acid
the freezing point (5.5 C) and boiling point (80.1 C) of benzene and the temperature difference between these points was divided into 50 units (called X), what would be the freezing and boiling points of water in X
if a 2.5 L of Hydrogen is collected over water at 40C and 767 mmHg, what is the volume of dry gas at standard conditions, The vapor pressure of water is 55.3 mmhg at 40 C
100 mL of 0.200 M HCl is titrated with 0.250 M NaOH .What is the pH of the solution at the equivalence point?Express the pH numerically.
Calculate the percent population of the first 10 rotational energy levels for HBr (rotational constant B = 8.46cm^-1) at 298K?
What mass of a copper ore consisting of 46% copper(I) sulfide must be mined in order to produce 1.0 x 10^3 kg (1.0 metric ton) of copper metal?
Calculate the maximum non-expansion work that can be done on the surroundings from the combustion per kilogram of H2(g) at constant pressure and 298.15K. If the H2 is oxidized in a fuel cell with maximum efficiency to drive an electric version
The density of benzene at 15C is 0.8787 g/mL. Calculate the mass of 0.1500 L of benzene at this temperature.
A chemist wants to make 5.5L of a 0.280M CaCl2 solution. What mass of CaCl2 (in g ) should the chemist use?
that of the Ce(III)/Ce(IV) system is +1.44V, calculate the potential at the following points during the titration of 100 ml of 0.05M Fe(II) with 0.05M cerium (IV)
what is the pH of a solution made by mixing 30.00mL of .10M acetic acid with 40.00 mL 0f .10M KOH? Assume the volumes are additive and Ka=1.8*10^-5 for CH3CO2H
Calculate the molar mass of the uknown compound. The boiling point elevation constant for water is0.52°C/m
how many grams of carbon are required to react with 1.5x10^25 atoms of hydrogen to form CH4
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