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E. Los componentes de una mezcla no se combinan químicamente.
F. El aderezo para ensaladas de aceite y vinagre es un ejemplo de una mezcla heterogénea.
G. Una mezcla homogénea no está bien mezclada.

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true or false

E. The components in a mixture do not combine chemically.
F. Oil and vinegar salad dressing is an example of a heterogeneous mixture.
G. A homogeneous mixture is not well mixed.

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?

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

What best discribes the relationship between wavelength and frequency in a electromagnetic wave