NLN PAX Nursing Admission Exam - Question List

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96. A catalyst increases the rate of a reaction by lowering the activation energy of the reaction. True or false?
  1. True
  2. False
97. Many of the properties of metals can be accounted for with the delocalized electron model. True or false?
  1. True
  2. False
98. Electrolysis requires energy input to force a non-spontaneous reaction to occur. True or false?
  1. True
  2. False
99. A cell placed in pure water has swelled. Why?
  1. The cell was in an isotonic environment, so water flowed into it.
  2. The cell was in a hypotonic environment, so water flowed into it.
  3. The cell was in a hypertonic environment, so water flowed into it.
  4. The cell was in a hypotonic environment, so water flowed out of it.
  5. The cell was in a hypertonic environment, so water flowed out of it.
100. Which of the following is not true about London dispersion forces?
  1. They are the weakest intermolecular forces
  2. They arise from temporary dipoles
  3. Dispersion forces are weakest between molecules that are easily polarized
  4. Larger atoms form dipoles easier than smaller atoms, so their dispersion forces are stronger
  5. Molecular shape affects the strength of London Dispersion forces

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