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write the acid ionization equation and ionization conexpression for the hydrogen carbonate ion
Given stock solutions of glucose (1 M), asparagine (100 mM) and NaH2PO4 (50 mM), how much of each solution do you need to prepare 500 mL of a reagent that contains 0.05 M glucose, 10 mM asparagine, and 2 mM NaH2PO4?
There is a low concentration of H+ and a high concentration of OH- D. the pH only tells us about H+; it tells us noting about the amount of OH-
If the work function of a metal is 4.51 eV, what is the maximum wavelength of light that can be used to observe the photoelectric effect
Use a molar mass of 800g/mol for the vegetable oil and use a density of 0.88g/mL for vegetable oil and 0.79 g/mL for methanol to calculate how many moles of ethanol are used.
One hour later, the two containers are opened and the temperature of each substance is measured. The aluminum has cooled to 35C while the water has cooled only to 66 . C.Explain this difference.
How many litres of ethyl mercaptan (C2H5SH ; liquid density = 0.8931 g/cm^3) should be added to 100,000 standard cubic meters of natural gas to produce a concentration in the gas of 1ppm
what is the mass percent ch3oh of a 0.256 m ch3ohaq
Consider a lithium nucleus, of charge +3q Calculate the first three electron energies for an electron in Li++ ion
When 4.6 mol O2 is heated at a constant pressure of 3.25 atm, its temperature increases from 252 K to 300. K. Given that the molar heat capacity of O2 at a constant pressure is 29.4 JK-1 mol-1, calculate q, ?H, and ?U.
Samples of the following volatile liquids are opened simultaneously at one end of a room. If you ate standing at the opposite end of the room, list the following species in order you would smell them? Assume that your nose is equally sensitive to ..
From a consideration of the Lewis structure of the thiocyanate ion, SCN- in which carbon has double bond with both the sulfur and nitrogen atoms, what are the formal charges on the sulfur, carbon, and nitrogen atoms respectively
Calculate what mass of solid potassium monohydrogen phosphate should be dissolved in this solution to yield the required buffer
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