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Calculate the volume of a .1 M solution of HCl required to neutralize 100 mL of a saturated calcium carbonate solution
Which statement best describes relationships in a modern periodic table? A.) Each transition element is placed in the column of the main group element that it most closely resembles.
Assuming no O2 dissolved in the water over which it was collected, calculate the volume of O2 collected under standard conditions (O degress Celsius and 760 mm Hg).
Calculate the pH during the titration of 25.9 mL of 0.618 M ammonia NH3 with 0.205 M HCl after 11.5 mL of the acid have been added. Kb of ammonia = 1.8 x 10-5.
use this data for the questions...-mass of tube mno2 21.5403g-mass of tube mno2 kclo3 kcl 22.5518g-constant mass
A sample of N2 gas occupies 2.40 L at 20oC. If the gas is in a container that can contract or expand at constant pressure, at what temperature will the N2 occupy 4.80 L
What is the enthalpy change for the neutralization reaction of 1 mol of CsOH in kJ?
A carboxylic acid can react with a strong base, such as NaOH, to produce a carboxylate salt (in this case, a sodium salt of a carboxylic acid)
what is the purpose of dissolving the acetanilide in glacial acetic acid prior to beginning the nitration reaction?
If silicon, atomic number 14, combines with chlorine, atomic number 17 what is the most likely formula based on your knowledge of the periodic nature of the elements
Two unknowns X and Y both having molecular formulas C4H8O, give the following results with four chemical tests. Propose structures for X and Y consistent with this infomation, Bromine Na Metal Chromic Acid Lucas Reagent
A mixture of Ne and Ar gases at 347 K contains twice as many moles of Ne as of Ar and has a total mass of 52.0 g. If the density of the mixture is 3.86 g/L, what is the partial pressure (in atm) of Ne?
How many grams of MgCl2 would be needed to prepare 2.000 L of a solution that is 197 ppm in Mg2+ ions. Note: there is one Mg2+ ion in every MgCl2.
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