Practice Quiz

SAT Chemistry - Question List

Select how would you like to study

Study Mode Free Daily Question Test Mode
141. Which of the following assumptions about gases is not found in the Kinetic Theory of Gases?
  1. Gas particles are infinitely small
  2. Gas particles are in constant motion
  3. Gas particles are in random motion
  4. Gases experience intermolecular forces
  5. Energy is proportional to temperature
See answer
142. Calculate the bond dissociation energy in the following equation:

CH4(g) + 2O2(g) --> CO2(g) + 2H20 (g)

Given the following:

DHf° C-H = 87 Kcal/mol
DHf° O=O = 118 Kcal/mol
DHf° C=O = 178 Kcal/mol
DHf° O-H = 111 Kcal/mol
  1. +584 KCal
  2. +216 KCal
  3. -584 KCal
  4. -216 KCal
  5. -228 KCal
See answer
143. Calculate the change in entropy of the following equation:

FeCl3(s) + 3Na(s) --> Fe(s) + 3NaCl(s)
  1. 52.1 J/K
  2. -52.1 J/K
  3. 64.1 J/K
  4. -64.1 J/K
  5. -11.6 J/K
See answer
144. 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.
See answer
145. What is the order of reaction for the following equation?

A + B --> 2C
  1. Zero order
  2. First order
  3. Second order
  4. Third order
  5. Fourth order
See answer

Select how would you like to study

Study Mode Free Daily Question Test Mode