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PT1. Oxygen and sulfur have similar chemical properties due to having six valence electrons.  Both form molecules...

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Chemistry

PT1. Oxygen and sulfur have similar chemical properties due tohaving six valence electrons.  Both form molecules withtwo hydrogen atoms.  Surprisingly, water (H2O)is a liquid, yet H2S is a gas, even though sulfur ismuch larger and heavier than oxygen.  Why? Explainfully.

PT2.

The ion product of water, Kw=[H+][OH-] = 0x10-14  (3 points)

  1. Why is a solution at pH 7.0 said to be neutral?
  2. What is the H+ concentration and pH of a 1mMsolution of NaOH?
  3. If the pH of a solution is 5.0, what is the concentration ofOH- ions?

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