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Three beakers labeled NaX (0.10 M, pH=7.0), NaY (0.10M pH=8.0), and NaZ (0.10 M pH =9.00). Organize the acids HX, HY and HZ in order of decreasing strength. As well find out the pKa of each.
A hydrate of calcium chloride contains 49.3% water and has a formula weight of 219 g/mol. Calculate the molecular formula of the hydrate.
The half reactions for CCl4 and Fe are: CCl4(aq) + 1/2H+ + e- = 1/2CHCl3 + 1/2Cl- E0 = 0.67 Volts Fe3+ + e- = Fe2+ E0 = 0.771 Volts Could a microorganism gain any energy from an overall reaction in which it reduced CCl4 with dissolved Fe2+ as a re..
A 1 L flask is filled with 1.45 g of argon at 25 C}. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.what is the partial pressure of argon in the flask?
What is the largest alkane (number of carbons) that can be named not exceeding "decane" as a parent? Where is the primary How many What family. I.e. what Where and what carbons? Is the primary functional group?
How much 1.0 M NaOH must be added to a 100 ml of 10 mM H3PO4 to raise the pH of the solution to 7.0? B) If 2 volumes of 2.0 M Na2HPO4 are added to 1 volume of 0.1 M H3PO4, what is the pH of the resulting phosphate buffer?
Given that an atom of a semiconductor has a diameter of 3.10 A, what is the maximum number of moles that fit in the channel of a processor chip that is 79.9 nm long, 76.1 nm wide and 315 nm thick
Inversion of Configuration and Determination of R/S. Draw a compound with an asymmetric center. Rotate so that you can determine whether it is R or S. Invert the stereochemistry
Calculate the molarity of a solution that is 7.00% by mass Magnesium sulfate and has a density of 1.071g/ml
The osmotic pressure of the solution is 1.21 atm at 27 °C. What is the molar mass of the solute?
How does boiling point relate to freezing in this scenario. would the same one with the higher bioling point also have a lower freezing point. why
Write a chemical equation for the reaction of an aqueous solution of sodium stearate with each of the following
the pkas of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0 respectively.a. determine the keq for the
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