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Define how many grams of the excess reactant are left over according to the reaction below given that you begin with 10.0 g of Al and 19.0 grams of O2?Reaction: 4Al + 3O2 --> 2Al2O3
what is the mass in grams in 2.28 mol of each of the following: a) N2, b)SO3, c)C3H6O3, d)Mg(HCO3)2, e)SF6. Please use significant figures.
Determine how much PV work is done if 80.0 g of C 2 H 4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules
Calculate the mass deficiency in amu, binding energy in J/atom, and binding energy in MeV/nucleon for zinc-64, with an actual mass of 63.9291amu
the critical temperature of the mixture is known to be 200 F. Compare your answer with the critical pressures of pure methane and pure n-hexane.
a student performed the nitration of benzoic acid. shehe started with 7.2 g of starting material and obtained 4.8 g of
an auto mechanic spills 91 ml of 2.3 m h2so4 solution from a rebuilt auto battery. how many milliliters of 1.5 m nahco3
1) Draw the form (structure) of ascorbic acid that is present at physiological pH (in the body; pH= 7.4). What diseases can be prevented and/or treated by the intake of ascorbic acid?
What is the hydronium-ion concentration of a 4.07 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4?
a student placed 13.5 g of glucose c6h12o6 in a volumetric flask added enough water to dissolve the glucose by swirling
what is the pOH of a solution prepared by adding 2.88 g of sodium nitrite, NaNo2, to 135mL of water? ka of HNO2 is 4.5x10^-4.
All ammonium compounds, that comprise the ammonium ion (NH4+) and negative ion, are thermally unstable. Explain two ways that ammonium compounds decompose when they are heated.
After the second dilution 100.00ml of that solution where transferred to a 150.0 mL flask and it was diluted to the mark. What is the concentration of the final solution
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