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2. Which of the following is not a property of water? (3 points)

A. Hydrogen bonding causes a high surface tension.
B. Hydrogen bonds exist only in the solid state.
C. Water can dissolve ionic and polar molecules,
D. Water's solid state is less dense than its liquid state.

3. Which of the following changes would decrease the rate at which a solid salute dissolves in a liquid solvent?

A. decreasing pressure
B. Decreasing surface area
C. Increasing rate of stirring
D. Increasing temperature

Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon

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?

Which formula can be used to calculate the molar mass of hydrogen peroxide