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Suppose that in procedure to separate benzoic acid you mistakenly added 20 mL of aqueous NaHCO3 at once (instead of adding to portions of 10 mL). How would it affect the recovery of benzoic acid and why?
To perform a FSO2 analysis using the AO method, you discover that you are out of 3% H2O2. There are 30 samples to test. Will 40 ml of 30% H2O2 be enough to get through all the FSO2 samples and why
Yeast and other organisms can convert glucose (c6h12o6) to ethanol (ch3ch2oh) by a process called alchoholic fermentation. The net reaction is
Calculate the pH of the 0.20 M NH/0.26 M NHCl buffer. What is the pH after the addition of 20.0 mL of 0.050 M NaOH to 90.0 mL of the buffer solution
What concentration of SO32- is in equilibrium with Ag2SO3(s) and 7.10 × 10-3 M Ag. The Ksp of Ag2SO3 can be found here.
State the selection rule for infrared-active molecules. Also, give an example of a molecule that is IR-active and identify an IR-active bond in the molecule, as well as where one would find its transition what frequency
What is the role of sodium sulfite in the experimental procedure of the creation of Benzoic acid. -I know that it breaks down any remaining bleach that did not react, but can someone please explain how it works
An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the compound contains 1.29x10^19 calcium ions, how many iodide ions does it contain
What is the bond order of a molecule with 10 valence electrons 12valence electrons,13 valece electrons,14 valence electrons
how much energy is released when 89 grams of water vapor (steam) is cooled from 503 K to 354 K?
1 some bacteria are able to harvest light of 1000 nm wavelength. a what is the energy in kilojoules of a mole of 1000
Naturally occurring thallium has two isotopes, thallium-203 (202.9723442 amu) and thallium-205 (204.9744275 amu). The atomic mass of thallium is 204.38 amu. What is the percent of thallium-205
explain the main concept behind the VSEPR theory of molecular shape. how do both number and type of electron pairs influence the shape of a molecule?
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