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A pure titanium cube has an edge length of 2.68 . How many titanium atoms does it contain? Titanium has a density of 4.50 g/cm3.
the recommended daily dietary intake of calcium for adult men and pre-menopausal women is 1100 mgday calcium citrate
Explain what volume (in mL) of a 0.2587 M NaOH solution do you require to completely neutralize 25.00mL of a 0.1500 M H2SO4 solution? H2SO4(aq) + 2NaOH(aq) ? 2H2O(l) + Na2SO4(aq)
Paradichlorobenzene, C6H4Cl2 is a component of mothballs. A solution of 2.00 g in 22.5 g of cyclohexane boils at 82.39 C . The boiling point of pure cyclohexane is 80.70 C. Calculate Kb for cyclohexane. Express the constant numerically in degrees C..
Explain what is the magnitude of the angular momentum of an SF6 molecule define when it is rotating with its minimum energy
How many moles of hydrogen are in a sample of octane, C8H18, that contains 303.9 grams of carbon
Calculate the pH of a solution prepared by mixing 15.0mL of 0.10M NaOH and 30.0mL of 0.10M benzoic acid solution. (Benzoic acid is monoprotic; its dissociation constant is 6.5x10^-5.)
What functional group is present in glucose? Is glucose a reducing or nonreducing carbohydrate?
What is the molar mass of X if 0.85g of X depresses the freezing point of 100g of benzene by 0.47Cdegrees?
15.0 moles of gas are in a 7.00 tank at 20.0. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a = 2.300L(squared).atm/mol(squared) and b = 0.0430 L/mol.
how long will it take for the concentration of A to decrease from 1.0 M to 0.25 M? If [Bo] = 1.5 M, what will be the concentration once [A] = 0.25 M?
what would be the formula for the compound sample if a sample of a compound contains 1.36 mol of nitrogen atoms and
In the confirmation test that you performed for silver (I) ion, addition of nitric acid, HNO3, to a solution containing Ag+ produced the precipitate AgCl. Where did the chloride ion come from
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