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Free CLEP Science and Mathematics Exam Braindumps (page: 31)

Page 30 of 128
PDF with 494 Questions

At which point can all three phases exist simultaneously?

  1. Point A
  2. Point B
  3. Point C
  4. Point D
  5. Point E

Answer(s): A

Explanation:

Point A, also known as the triple point, is where a substance coexists as a solid, liquid, and a gas at equilibrium.



At which point can only the liquid phase exist?

  1. Point A
  2. Point B
  3. Point C
  4. Point D
  5. Point E

Answer(s): E

Explanation:

The area of the phase diagram where E is located corresponds to the liquid phase.



The product of this reaction is an insoluble precipitate.

  1. HI(aq) + NaOH(aq)
  2. H2O(l) + HOCl(aq)
  3. K(s) + H2O (aq)
  4. Xe(g) + H2O(g)
  5. Zn(s) + CuSO4(aq)

Answer(s): E

Explanation:

Zn(s) + CuSO4(ag) Cu(s) + ZnSO4(aq)



This reaction produces an acidic solution.

  1. HI(aq) + NaOH(aq)
  2. H2O(l) + HOCl(aq)
  3. K(s) + H2O (aq)
  4. Xe(g) + H2O(g)
  5. Zn(s) + CuSO4(aq)

Answer(s): B

Explanation:

H2O(l) + HOCl(aq) H3O+(aq) + OCl-(aq)






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