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What functional groups can you identify within the coumpounds; dioxin, Furan, Hexachlorobenzene, what structural features do each have in common?
a gas diffuses only .5 times as fast as an oxygen molecule at the same temperature. what is the molecular weight of the gas?
What is the maximum number of electrons that can be identified with each of the following sets of quantum numbers? In some cases, the answer may be "none."
Calculate the amount of water (in liters) that a camel can produce from 1.0 kg of fat. Assume for simplicity that the fat consists entirely of tripalmitoylglycerol. please show work how you arrive with the answer.
What volume of 2.811 M oxalic acid solution is needed to react to the equivalence point with a 5.090 g sample of material that is 92.10% NaOH
Gas stoichiometry and Percentage of calcium carbonate in the sample
Sodium carbonate reacts with hydrochloric acid as shown below in an unbalanced chemical equation. What mass of CO2 is produced from the reaction of 2.94g Na2CO3 with excess HCL
A heater burns normal Butane (n-C4H10) using 40% excess air. combustion is complete . the flue gas leaves the stock at a pressure of 100 kpa and a temperature of 260 c
The acid-catalyzed addition of alcohols to alkenes occurs via a mechanism analogous to acid-catalyzed alkene hydration. The reaction occurs in 3 steps
What are the concentrations of each of the ions in a saturated solution of PbBr2, given the Ksp of PbBr2 is 2.1 x 10^-6?
What was the molar solubility of CaCO3 in this solution (Kb1(CO32-) = 1.8 × 10-4)
What would you use to prepare a buffer system with a pH of around 4.2. What would you use to make a buffer with a pH of around 9.2? Describe the process you used to choose the correct buffer for each pH.
What is the value for the rate constant, k? What is the concentration of urea in this solution after 4700 seconds if the starting concentration is 0.495 M?
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