Practice Quiz

AP Chemistry Exam Prep - Question List

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56. Which of the following is not a part of the first and second laws of thermodynamics?
  1. Energy can exist as light, heat, chemical energy, or electrical energy
  2. Energy can be created and destroyed
  3. Energy is always conserved
  4. Entropy is the measure of the randomness/disorder of a system
  5. If no energy enters or leaves the system during a reaction, the potential energy at the final state will be less than the initial state.
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57. Given the following experimental values, for the reaction A + B --> C, figure out the rate constant (k).Initial values: [A] = 0.0100M; [B] = 0.0100M; Rate = 5.00 * 10-6 M/sExperiment 1: [A] = .0200M; [B] = 0.100M; Rate = 2.50 * 10-5 M/sExperiment 2: [A]= 0.0100M; [B]=0.0200M; Rate = 5.00 * 10-6 M/s
  1. k = 5.00 * 10-2 M*s
  2. k = 5.00 * 10-2/(M*s)
  3. k = 5.00 * 10-2/(M2*s)
  4. k = 5.00 * 10-3 M*s
  5. k = 5.00 * 10-3/(m*s)
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58. Which of the following is not true about complex ions?
  1. Complex ions are formed with a metal as the central atom
  2. The other molecules that bond to the metal are called ligands
  3. Ligands act as Lewis Acids
  4. The coordination number of a complex ion refers to the number of bonds the center atom forms
  5. All of the above are true
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59.

What are London Dispersion Forces?

  1. The forces responsible for the movement of tectonic plates in the Earth's crust
  2. A type of hydrogen bond that occurs between molecules containing hydrogen and a highly electronegative atom
  3. Weak attractive forces between the electrons of one atom and the nuclei of another atom
  4. A type of covalent bond formed between two non-metal atoms sharing electrons
  5. Temporary attractive forces that arise due to the random fluctuations of electron density in molecules
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