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When a mixture of 10.0 g of C2H2 and 10.0 g of O2 is ignited, the resultant combustion reacion produces CO2 and H2O. How many grams of C2H2, O2, CO2, and H2O are present after the reaction
The density of diamond is 3.51 g/cm . The international (but non-SI) unit for weighing diamonds is the "carat" (1 carat = 200 mg exactly.) What is volume of a 0.66 carat diamond?
Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?
A 33.0 g sample of a nonelectrolyte was dissolved is 700. g of water. The solution's freezing point was -2.84°C.
Calculate the value of w (work) for the following system if 29.0 g of NaN3 reacts completely at 1.00 atm and 22 °C.
what relative masses of dimethyl amine and dimethyl ammonium chloride do you need to prepare a buffe
If a reaction vessel initially contains only co and NH3 at concentrations of 1.00 m and 2.00m , respectively, what will the concentration of HCONH2 be at equilibrium?
When setting temperature scan program of Diffrential Scanning Chromatography,
Calculate the cell potential after the following volumes of 0.1000 M Cr2+ is added to 50.00 mL of 0.1000 M Fe(CN)63-
Write down the second period elements (ie. lithium through neon), on order of increasing first ionization energy and Write the electron configuration for a gallium atom.
acid catalyzed hydrolysis of esters is usually better than base catalyzed hydrolysis. True or False.............2. Borane selectively reduces a carboxylic acid while it leaves an ester alone.
An object made of aluminum has a mass of 8.37g. When it was placed in a graduated cylinder containing 20.0mL of water, the water level rose to 23.1mL. Calculate the density and specific gravity of the object.
What are the pressures, temperatures, enthalpies, and mass densities of the substance at the beginnings and ends of the processes?
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