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Phenol, commonly known as a carboxilic acid, was used by Josheph Lister as an antiseptic for surgery in 1865. Its principal use today is in the manufacture of phenolic resins and plastics. Combustion of 5.23 mg of phenol yields, 14.67 mg CO2 and 3.01 mg of H2O. Phenol contains only C, H and O. Based on the emperical formula of phenol what is the total number of atoms of carbon in one molecule of phenol?
A compressed air tank carried by scuba divers has a volume of 9.5 L and a pressure of 130 atm at 20 C. What is the volume of air in the tank (in liters) at STP?
a 100000 gal tank is 75 full of liquid containing 60000 lb of solid in suspension. water flows into the tank at a rate
How many Cl2O molecules of different masses naturally exist. Give the masses of the three most abundant Cl2O molecules.
what is the pressure in torrs of the volume of a sample of a gas is 7.6 liters when 0.46 moles of gas are at 54 degrees
if the reaction is not in equilibrium for the conditions in part a, calculate the pH at which the reaction will be at equilibrium if MNO4 = 10^-10 M.
Suppose that 24 of each of the following substances is initially at 29.0. What is the final temperature of gold upon absorbing 2.30 of heat?
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 10-6) by 0.200 M HNO3. Calculate the pH of the resulting solution after the 20.0 mL of HNO3 have been added.
The rate constant for the first order decomposition of SO2Cl2 is 1.37 x 10^-3 min-1 at a certain temperature. If the concentration is initially 0.500 M, predict it after 300 min.
Garlic smell is easily noticable due to the compound that is responsible for this is Allicin , when we analysed this compaound and find out molecular formula of molar mass= 486 grams
Fatty acid breakdown generates a large amount of acetyl CoA. What wil be the effect of fatty acid breakdown on pyruvate dehydrogenase complex
Which reaction responds more strongly to changes of temperature, one with an activation energy of 52 kJ mol-1 or one with an activation energy of 25 kJ mol-1
Calculate the degree of dissociation and dissociation constant of the salt and how many times the reaction rate changes in the presence of catalyst at the same temperature.
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