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Aluminum has a density of 2.699 g/cm3, and the radiu of the aluminum atom is 143 pm. Verify that the metal crystallizes as a face-centered cube.
What is the pH of the solution obtained when 135 mL of 0.618 M NaOH is diluted to 16.0 L with water?
Dissolve the appropiate amount of HEPES (sodium salt) (formula weight is 260.31) in water to an approxiamte volume of 60 mL in a 150 mL beaker that is equipped with a stirring bar.
if 625g of fe3o4 is produced in the reaction, how many molecules of hydrogen are produced at the same time?
How many grams of chlorine gas are needed to react with 11.5 grams of sodium metal
How many grams of magnesium hydroxide are present in 1.0 L of a saturated solution at room temperature
An old synthetic procedure starts by calling for fifteen kilo grams of sulfuric acid. If your largest reaction vessel holds ten litres, can you put the fifteen kilograms of acid into the vessel, or would you require to scale down the reaction reag..
This is the given reaction CaC2(s) + 2H2O(l) = C2H2(g) + Ca(OH)2(aq) determine How much H2O is needed If 48 g of CaC2 are consumed in this reaction?
During a titration, the following data were collected. A 25 mL portion of a solution of an unknown monoprotic acid was titrated with 1.0 M NaOH(aq).
How can i find the pressure of oxygen if it's in a mixture of .40 moles of oxygen and .20 moles of nitrogen at 1.2 atm pressure
NO (g) + O3 (g)-> NO2 (g) + O2 (g) For the reaction given, the frequency factor A is 8.7 x 1012 s-1 and the activation energy is 63 kJ/mol. What is the rate constant for the reaction at 75°C.
A mixture of acetaldehyde CH3CHO and propanal C2H5CHO under basic conditions
The di basic compund B(pkb1=4.00),pkb2=8.00 was titrated with 1.00 M HCl. the intial solution of B was 0.100M and had a volume of 100.0mL. A) At what volumes are the two equivalence points?
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