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Explain what is the formula of a compound that contains hydrogen as +1, sulfur as +4 and oxygen as -2? Define how to do this
Your friend brings you a 1.50 M sample of HONH3Cl and wants yo know the pH. You politely ask for the Ka of the acid and she responds that she only knows that the Kb for HONH2 = 3.0 x 10^-6
Draw the predominance diagram (the logarithm of species concentration versus pH). Locate the system points and the approximate pH that satisfies the Proton-Balance Equation for addition of NaHSe to water.c) List the solute species present at pH=5...
The valve connecting a 2.93 L bulb containing a oxygen gas at a pressure of 2.94atm, and a 9.27 L bulb containing carbon dioxide gas at a pressure of 4.52 atm
prepare 10 ml of solution that represents a 4 fold dilution of the stock solution
a calculate the molarity of a solution made by dissolving 12.5 grams of na2cro4 in enough water to form exactly 550 ml
Draw any resonance form and state whether it is more or less stable than the original. ( if this is explained i will reward all points)
concentrated hydrofluoric acid is 28.9M and has a density of 1.18g/mL. What is the weight percent of concentrated HF?
Draw all of the eclipsed and staggered conformations for the c3-c4 bond in hexane starting with the conformation that has the lowest energy.
The mole fraction of nitrogen in a air is 0.78. If the total barometric pressure is 760 torr, what is the partial pressure of nitrogen
How many grams of Potassium Chlorate decompose to passium chloride and 638mL of O2 at 128 degrees C and 752 Torr. 2KClO3 (s) => 2KCl (s) + 3O2(g)
consider the dissolution of mns in water ksp 3.0 times 10-14.nbspmnss h2ol mn2aq hs-aq oh-aqhow is the solubility
Why is saturated sodium chloride solution, rather than dilute solution specified for the final washing of the 2-chloro-2-methylpropane produced? (created from 2-methyl-2-propanol)
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