A rigid, brittle polymer used in disposable food containers. The backbone of the polymer contains phenyl rings. Polyvinyl chloride A polymer produced through a condensation reaction, with applications ranging from clothing to packaging. Polyethylene terephthalate A rigid polymer used often in construction materials. The structure contains a halogen. Polyethylene terephthalate A flexible polymer used in the manufacturing of grocery bags. The molecular structure is ( C 2 H 4 ) n . Choose...

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?

How far is the region from the equator or control climate

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients