Q. Polyprotic acids such as H₃PO₄, can act as acid-base buffers

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Q. The pH of a solution is determined by

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Q. The reactions of molecules

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Q. Which of the following indicates that the pK of an acid is numerically equal to the pH of the solution when the molar concentration of the acid and its conjugate base are equal?

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Q. Which of the following will easily dissolve in a polar solvent?

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Q. The elements oxygen, nitrogen, and carbon

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Q. Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.

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Q. Salt dissolves well in water as water molecules

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Q. Buffer solutions

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Q. A Bronsted acid becomes __________ upon losing a proton.

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Q. Most of the important functional groups in biological molecules contain

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Q. What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7?

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Q. Which of the following alcohols would be most soluble in water?

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Q. Which of the following acid/base pairs act as natural buffers in living systems?

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Q. If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water?

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Q. A compound that is capable of forming hydrogen bonds with water

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Q. What makes water a liquid at room temperature?

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Q. ΔG is negative for which of the following processes?

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Q. ΔH is positive for which of the following processes?

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Q. What is the factor that is responsible for salts like NaCl to dissolve in water easily?

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