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Give the structure that corresponds to the following molecular formula, reaction data, and 1H NMR spectrum: This compound undergoes catalytic hydrogenation to give 2,2,4-trimethylpentane.
calculate the number of moles of gaseous N2 contained in a sample of 300 ml of gas saturated with water vapour at 25 degree celcius and 95 kPa.
What type of forces must be overcome when solid I2 is dissolved in dissolves in methanol, CH3OH? What type of forces must be disrupted between methanol molecules when I2 is dissolved?
What is the best and easy way to determine the frequency (in hz) of the interacting photon. A photon interacts with a ground state electron in a hydrogen atom and is absorbed.
How much energy is required to vaporize 48.7 g of dichloromethane (CH2Cl2) at its boiling point, if its ?Hvap is 31.6 kJ/mol?
what is the minimum number of Kilo Joules needed to change 40 grams of water 100 C to steam at the same temperature and pressure?
The J=0 to J=1 transition for carbon monoxide (12C16O) occurs at 1.153 X 10^5 MHz. Calculate the bond length of carbon monoxide.
Using the Henderson-Hasselbalch equation determine the pKa for illinic acid from the following values: At pH 9.02, the concentration of illinic acid and its conjugate base
A sample of pure silver jewelry has mass of 63.3g and is heated to a temperature of 111.4C. It is placed into a container of water at 17C.
A 2.154 g sample of HgO produces 125 mL of oxygen gas. The gas is collected over water at 24 C and an atmospheric pressure of 763 torr.
Using Henry's law, calculate the molar concentration of O2 in the surface water of a mountain lake saturated with air at 20 ^ C and an atmospheric pressure of 665 torr. The partial pressure of O2 is .21 atm.
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy
A 9.767-g gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen.
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