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Rank the following chemicals for their tendency to partition from the air into fog water (pH 2.8): chloroform, acetic acid, methyl ethyl ketone, phenol, aniline, paraquat. Rank from highest fugacity to lowest fugacity for entering fog water. It is possible that some are equivalent.
how many ml of concentration sulfuric acid, 94%(g/100g solution), density 1.831 g/cm3 are required to prepare 1L of 0.100 M solution.
A mole of photons in the blue visible region of the electromagnetic spectrum has an energy of 2.54 × 10 2 kJ/mol, calculate the frequency in s-1 of the photon.
Write the net ionic equation to show the formation of a precipitate (insoluble salt) when the following solutions are mixed. write none if there is not a precipitate. a)Ca(NO3)2(aq) and Na2S(aq). b)Na3PO(aq) and Pb(NO3)2(aq). c)FeCl3(aq) and NH4NO..
What structural similarities exist between indigo, tyrian purple, alizarin, picric acid, and the main component of mauveine? The compounds beta-carotene and crocetin are not listed as part of this group
A buffer is made by dissolving 0.037 mol of potassium fluoride in 135 mL of 0.0237M hydrofluoric acid. Assume no volume change when the salt is dissolved. Calculate the pH of the buffer.
If 30.0 grams of sulfuric acide react with 25.0 g of aluminum hydroxide, identify the limiting reactant.
We have a solution that is in equilibrium with solid Ag2SO3 (ksp=1.5x10^-14), and buffered at pH=8.00. The sulfite anion (SO3(2-)) is the conjugate base of the bisulfite anion (HSO3-), Calculate the concentrations of all chemical species present i..
What if any experimental evidence do you have that the equilibrium is affected by the addition of concentrated HCL? Explain Are your observation and explanation in A consistent with Le Chatelier's Principle? Explain
Write the structural formula of a compound with an unbranched chain of five carbon atoms that is an alkanal, Consider E/Z stereochemistry of alkenes. Do not show stereochemistry in other cases.
The molar heat capacities of Iron and Gold are 25.19 J/(mol*(*C) and 25.41 J/(mol*(*C) respectively. What is the final temperature of the water and the metal?
What types of crystals are formed by the following solid elements and compounds: BF3 BN (NH4)CO3? In each case, state the types of forces among the particles
What is the mechanism for turning 1-bromotbutane when it reacts with KI and DMF into n-butyl acetate?
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