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If toluene is an aromatic hydrocarbon, a compound composed of only C and H. If you burn 0.356 g of the compound and determine that it produces 1.22 g of CO2 and 0.286 g H2O, Find out the empirical formula of the compound.
The net potential energy EN between two adjacent ions is sometimes represented by the expression: EN = -(C/r) + D exp(-r/p) in which r is the interionic separation and C, D, and p are constants whose values depend on the specific material.
The concentration of hydrogen ions in a solution of 40.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO- to be 500 pm
Draw the structure(s) of all carbocations that could potentially form from the alkene and label each carbocation as primary, secondary or tertiary. 1-butene
Calculate the rms (average) speed of ClO2 atoms or molecules at 297 oC. Use R = 8.314 kg-m2/K-s2-mol for the value of the gas constant.
If a 0.568m soloution had a 3.75 C difference in its freezing point from the pure solvent, what is the freezing point depression constant Kfp for the solvent
The concentration of a commercially available concentrated nitric acid is 70.0 percent by mass, or 15.9 M. In 100 grams of solution there are 1.11 mol of HNO3. Calculate the VOLUME of 100 grams of the solution
an airplane is pressured to 650 mm Hg, which is the atmospheric pressure at a ski resort at 1.30 * 10^4 ft altitude. If air is 21% oxygen,
What volume of gold would be equal in mass to a piece of copper with a volume of 140.0 mL? The density of gold is 19.3g/mL; the density of copper is 8.96 g/mL.
A 1.20 sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 735mmHg .
The two objects have the same mass. If they are to have the same total kinetic energy, what should the ratio of the cylinder's angular speed to the spherical shell's angular speed be?
Compute the percents ionic character of the interatomic bonds for the following compounds: TiO2, ZnTe, CsCl, InSb, and MgCl2.
what final temprature would be required to increase the pressure to 760 torr. the volume being held consant?
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