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When someone leaves an outside door open on a cold, still day, it is often said that the person is letting in cold air. Is this correct? Explain. Your automobile has a "radiator" as part of its cooling system. Is radiation the only method of heat transfer in this system? Explain.
State balanced net ionic equation for the first, second and third stage of dissociation of the triprotic acid H3PO4 as a net ionic equation. Identify all of the phases in your answer.
Using the grignard reaction, carry out the following transformations. Any necessary organic or inorganic reagents may be used. Name all reactants and products.
The Ka for hydrofluoric acid is 7.1x10^-4. The percent ionization of hydrofluoric acid at a concentration is 0.43 mol/L is _____. looking for percent numbers since we're doing percent ionization stuff.
The activation energy of a certain reaction is 46.7 kJ/mol. At 28 C, the rate constant is .0150 s^-1. At what temperature in degrees Celsius would this reaction go twice as fast
Write the systematic (IUPAC, or CA) names for the amines shown below. The names should have the format alkanamine.
A buffer solution is .200 M in HNO2 and .185 M in NaNO2. What is the pH of the buffer system after 50 ml of .100 HCl is added to 250 ml of the buffer solution?? Ka of HNO2 = 4.6*10^4. (please show all work)
A student then measures 10.00 mL of an unknown solution of Fe2+ into an Erlenmeyer flask and dilutes with 90 mL of 1.0 M hydrochloric acid. He then titrates this sample with the soultion prepared above. If 38.40 mL of the potassium dichromate solu..
a glucose solution contains 52.0 g of glucose c6h12o6 in 465 g of water. compute the freezing point and boiling point
a hydrocarbon is a compound that contains mostly carbon and hydrogen. calculate the percent composition by mass of the
Calculate the heat of enthalpy for the reaction: PCl5(g) → PCl3(g) + Cl2(g)
Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution
Consider the highest angle line on the diffraction pattern of Cu and of Pb, measured at 20 celsius with CuK radiation. by what percentage is the intensity of each of these lines reduced by thermal vibration of the atoms
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