33) Arrange the following pure substances according to boiling points from the lowest to the highest CH3
CH3CH2CH2CH3
CH3-O-CH2CH3 CH3CH2OH CH3-CH-CH3 Naci
butane
ethyl methyl ether
ethanol
methylpropane
butane, ethyl methyl ether, methylpropane, ethanol, NaCI
NaCl, methylpropane, butane, ethyl methyl ether, ethanol
NaCl, butane, methylpropane, ethyl methyl ether, ethanol
methylpropane, butane, ethyl methyl ether, ethanol, Naci
ethanol, ethyl methyl ether, butane, methylpropane, NaCl

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?

Geothermal energy for industrial use is available almost anywhere. a.true b.false

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled