Many of the unique properties of water, such as cohesion and its reputation as a universal solvent, come from its atomic structure. What causes these properties?
a) Atoms in water molecules are stuck together with atomic bonds.
b) Atoms in water molecules are stuck together with covalent bonds.
c) Water molecules are electrically polarized.
d) Water molecules contain sodium (Na) ions that break down substances.
e) Many other ions can substitute for the hydrogen (H) atoms in a water molecule.
C
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Jean, who weighs 800 N, stands at rest on two bathroom scales in such a way that one scale reads 500 N. The other scale reads
A. 400 N. B. 200 N. C. 300 N. D. 800 N. E. none of the above
Predict how urban form in Central Asia will change from the Soviet era
What will be an ideal response?
Earth's velocity of rotation is at its maximum at the ____
a. poles b. Arctic/Antarctic circles c. tropics d. equator e. mid-latitude zone
Which of the three isomeric alcohols, 2-butanol, 2-methyl-1-propanol, and 2-methyl-2-propanol, are chiral?
A) only 2-butanol B) only 2-methyl-1-propanol C) both 2-butanol and 2-methyl-1-propanol D) both 2-methyl-1-propanol and 2-methyl-2-propanol