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Oxalic acid (H2C2O4) is present in many plants and vegetables.
If a 1.00-g sample of plant matter requires 34.0 mL of 0.0200 M KMnO4 solution to reach the equivalence point, what is the percent by mass of H2C2O4 in the sample?
Out of white phosphorus and red phosphorus, which one is more reactive and why?
a mixture consists of 35 heg and 65 n2g by mass. if it exerts a total pressure of 2.15 atm what is the partial pressure
what is the half life for this reaction B) how long will it take for the concentration of SO2Cl2 to decrease to 25 percent of its initial concentration C) if the inital concentration of SO2Cl2 is 1.00 M
The crystal lattice structure of LaF3 is different from those discussed. Assume it is unknown. Using the equation of Kapustinskii, estimate the lattice energy.
The molar concentration of the indicator HIn (Ka= 4.8x10 -6 )and its conjugate base In- at 450 were determined as ?In-= 2.06x104 , respectively. Calculate the absorbanc (b=1.00cm) for the buffered(pH=6.00) having total indicator concentration of 2..
When 3.00 mol of benzene is vaporized at a constant pressure of 1.00 atm and at its normal boiling point of 80.1°C, 101.8 kJ are absorbed and P?V for the vaporization process is equal to 8.70 kJ then
Write a mechanism for the base-catalyzed hydrolysis of methyl salicylate. 2.) Devise another route by which methyl salicylate can be converted to acetylsalicylic acid
If Delta H = -60.0 kJ and Delta S = -0.200 kJ/K, the reaction is spontaneous below a certain temperature. Calculate that temperature
A student used 40.5mL of 0.48M sodium carbonate solution and 45.6mL of the hydrochloric acid solution. The substance in the beaker at the end of the experiment had a mass of 0.93g. Calculate the concentration of the hydrochloric acid solution.
The vapor pressure of pure ethanol is 56 torr. if a solution prepared from 560.0 g of methanol and 210.0 g of ethanol has a vapor pressure of .31 atm over the soultion.
The Starship Enterprise is caught in a time warp and Spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral.
An unknown compound P isolated from a mould was found to be optically active as well as to have a molecular formula of C11H20. Hydrogenation of P with excess H2 utilizing a finely divided platinum catalyst produced compound Q, C11H24.
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