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Normal blood contains 3 mEq/L of Mg2+. How many milligrams of Mg2+ are present in 150.0 mL of blood
Twenty wt % of a styrene oligomer having a number average-degree of polymerization of 7 is mixed with a commercial polystyrene sample having a number average
Isobutane is the fuel used in disposable lighters. The lighters' operation is dependent upon the butane's ability to vaporize and be ignited, and this depends somewhat upon the large pressure difference between the inside of the lighter and the at..
Important information about Synthesis of Aromatic Compounds - Toluene to methyl benzyl ether and phenol to phenacetin
Equal initial pressures of hydrogen and nitrogen are added to a container at 298K where they react as in question 1. (question 1 is at the end) a. If the equilibrium pressure of hydrogen is 1.5 atm, determine the equilibrium pressures of nitrogen a..
Determine the molarity of Ni in the 20.0 mL solution? Determine the mass in grams of Ni in the original sample? Determine the weight percent of Ni in the sample?
The conditions of a gas change in a steady flow process from 20 degrees C and 1000 kPa to 60 degrees C and 100 kPa. Devise a reversible nonflow process
The addition of barium nitrate solution, followed by dilute hydrochloric acid, to a solution of sodium dichromate.
Commercial concentrated aqueous ammonia is 28% by mass and has a density of 0.90 .What is the molarity of this solution?
How much faster do ammonia (NH3) molecules effuse than carbon monoxide (CO) molecules? Enter the ratio of the rates of effusion.
As a result, the pressure inside the vessel drops to 30.64 atm at 25 C. Calculate the final percent by mass of ozone in the vessel.
if air contains 78 n2 by volume what is the solubility of n2 in water of 25oc and 1 atm henrys constant kh for n2 in
write a chemical equation for rm hclaq showing how it is an acid or a base according to the arrhenius definition.
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