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Water, pH and Macromolecules

Water, pH and Macromolecules
H2O and CH4 are both examples of

molecules
ions
acids
none of these

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Water, pH and Macromolecules
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?

Haldanes equation
Michaelis-Menten equation
Henderson-Hasselbalch equation
Hardy-Windberg law

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Water, pH and Macromolecules
Which of the following alcohols would be most soluble in water?

methanol
ethanol
butanol
octanol

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Water, pH and Macromolecules
A Bronsted acid becomes __________ upon losing a proton.

a hydronium ion
its conjugate base
its conjugate acid
highly reactive

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Water, pH and Macromolecules
A solution with pH = 5 is __________ than a solution with pH = 7.

2 times more basic
10 times more basic
100 times more acidic
10 times more acidic

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Water, pH and Macromolecules
Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.

noncovalent
ionic
covalent
hydrogen

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