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Which bronsted-lowry acid is not considered to be a strong acid in water? A)H I B)H Br C)H2S O3 D)H NO3
Calculate the pH after the addition of 0.0 mL, 5.0 m, 10,0 mL, and 20,0 mL NaOH. At each of these three points, indicated by formula the chemical species present in solution
A sample of a fluorocarbon gas was allowed to expand to twice its volume. In this reversible, adiabatic expansion, the temperature dropped from 298.15K to 248.44K. assuming the gas acts ideally during the expansion, estimate Cv for one mole
In the following reaction, how many moles of the non-limiting reactant are in excess if 4.4 mol Al are combined with 2.7 mol HCl
What volume in mL of concentrated nitric acid (72.0% HNO3 (w/w), sp. gr. 1.42) is required to prepare exactly 2.00 L of 0.200 M HNO3?
carbon and oxygen occupies a volume of 452 ml at 63 C and 745 mmHg. identify the gas in the sample (R= 0.0821 L*atm/K*mol)
What is the half-life of a compound if 63 percent of a given sample of the compound decomposes in 72 min? Assume first-order kinetics.
at 84 degrees C the total vapor pressure of a solution contains 1.2 moles A and 2.3 moles B is 331 mmHg. Upon the addition of another mole of B to the solution, the vapor pressure increasing to 347mmHg.
The concrntration of the alkane C20H42 (FM 282.55) in particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL
A student wants to prepare exactly 1000 mL of a 0.500 M aqueous potassium hydroxide solution. What mass of potassium hydroxide should the student dissolve in the solution?
Assuming that the copper and lead are pure, determine the relative amounts of each kind of BB. A bag contains a mixture of copper and lead BBs
What are the concentrations of H30+, OH-, NH4+ at the equivalence point? What is the pH of the solution at the equivalence point
You have 50 ml of an 86% (w/v) glucose (C6H12O6) solution. How many grams of glucose are in the solution?
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