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Water, pH and Macromolecules

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

ethanol
methanol
octanol
butanol

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Water, pH and Macromolecules
The lone pair electrons on oxygen in a H20 molecule

carry a partial positive charge
carry a partial negative charge
form covalent bonds in ice
are not important for the properties of water

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Water, pH and Macromolecules
Who discovered and described the blood groups (ABO) classification?

Karl Landsteiner
Theodor Kocher
Otto Warburg
Karl Hooper

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Water, pH and Macromolecules
The reason that fats contain more energy than simple sugars, is fats have many more

carbon atoms
hydrogen bonds
hydrogen atoms
covalent bonds

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

its conjugate acid
its conjugate base
highly reactive
a hydronium ion

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

none of these
molecules
ions
acids

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