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Explain a reaction was performed in which 0.49 g of dibenzyl ketone was reacted with 0.49 g of benzil to make 0.73 g of 2,3,4,5-tetraphenylpentadienone. Compute the theoretical yield and percent yield for this reaction.
Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 3.40A of current is drawn from the battery for 4.50 hours?
When 1.1g of a nonvolatile substance is added to 45.5g of benzene, the vapor pressure decreased from 97.0 to 95.7 tor. From the mol fraction of the substance in the solution estimate the molar mass of the compound
Patients suffering from respiratory disorders are often treated in oxygen tents in which the atmosphere is enriched in oxygen. What is the partial pressure of O2 in an oxygen tent consisting of 45% O2 for an atmospheric pressure of 753 mm Hg?
How many moles of methane are produced when 82.6 moles of CO2 gas react with excess hydrogen gas? CO2+4H2----->CH4+2H2O I am having problems trying to set this problem up correctly, any help would be appreciated
Calculate how many milliliters of 0.100 M HCl shoule be added to how many grams of sodium acetate dihydrate (NaC2H3O2 x 2H2O) at 5 degrees C to prepare 250.0 mL of a 0.100 M buffer at a pH=5.00. At 5 degrees C
the equation a abc becomes nonlinear at high concentrations of the absorbing substance. suppose you prepare a solution
A compound contains merely oxygen and fluorine and is 45.7% oxygen by mass. A gaseous sample of the compound has a density of 2.70 g/L at 904 torr and 102°C. Explain what is the molecular formula of the compound
Calculate the amount of heat evolved in the complete oxidation of 8.17g of al at 25 degrees celcius and 1 atm pressure. delta H of f for al2O3 id -1676kj/mol
How many planes of symmetry does a benzene molecule possess. What chloro-substituted benzene of formula C6HnCl6-n has exactly four planes of symmetry
Draw structure for the product from reaction of 1,3-cyclohexadiene and maleic acid (cis-2-butenedioic acid).
The lighter isotope has an abundance of 67.7%. Calculate the atomic mass of the element X.
a stream of toluene at 500degc and 2 bar flowing at 40 kmolh is cooled to 200degc and 1 bar pressure in a heat
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