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Use Le Chatelier's principle to explain why the buffer prevents large changes from occuring in PH when
i) an acid enters the bloodstream.ii) a base enters the blood stream.
when heated hydrogen sulfide gas decomposes according to the equation above. a 3.40 g sample of h2sg is introduced into
You dissolve 650.0 g of sugar (C12H22O11) in 726 mL of water. The density of wat is 1.00 g/mL.
Calculate the maximum number of grams of phosphorus trichloride that could be formed from 44.1 grams P subscribe 4.
what is the molarity of a solution prepared by adding 132 grams potassium chloride to enough water
What is the wavenumber in cm-1 for the HOMO to LUMO transition predicted by PM3, What value of ? can you infer, that would bring the HMO method into agreement with the more advanced Extended Huckel method?
Draw the major E2 reaction product formed when trans-1-chloro-2-ethylcyclohexane reacts with hydroxide ion in DMSO
Draw the molecule by placing atoms on the grid and connecting them with bonds. If there is more than one answer, draw all o
A student adds 0.1 mol of oxalic acid (H2C2O4) and 0.1mol of sodium dihydrogen phosphate to enough water to make 1.0L of solution. The following equilibrium is established with Kc from this reaction greater than 1
write the chem equation for the reaction which occurs when nickel metal is added to nitric acid.
Suppose that, during an extraction, you lost track of which flask contained the aqueous layer. What could you do to determine which layer is which
Would it be a good idea for a person to take a couple of aspirin tablets before attending a cocktail party? Explain your reasoning. This needs to be from a chemistry stand point.
Ammonia, NH3, reacts with the hypochlorite ion, OCl-, to produce hydrazine, N2H4. How many moles of hydrazine are produced from 5.85 mol of ammonia if the reaction has a 78.2%
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