Physical Chemistry

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Q. What type of solutions does Raoult's Law apply to most accurately?
  • A. Ideal solutions
  • B. Non-ideal solutions
  • C. Concentrated solutions
  • D. Dilute solutions
Q. What type of solutions does Raoult's Law apply to?
  • A. Ideal solutions only.
  • B. Non-ideal solutions only.
  • C. Both ideal and non-ideal solutions.
  • D. Concentrated solutions only.
Q. What volume of 0.5 M HCl is required to completely react with 0.1 moles of Na2CO3?
  • A. 200 mL
  • B. 400 mL
  • C. 100 mL
  • D. 300 mL
Q. What volume of 0.5 M NaCl solution contains 1 mole of NaCl?
  • A. 1 L
  • B. 2 L
  • C. 0.5 L
  • D. 0.25 L
Q. What volume of 0.5 M NaOH solution contains 1 mole of NaOH?
  • A. 1 L
  • B. 2 L
  • C. 0.5 L
  • D. 0.25 L
Q. What volume of 1 M NaOH solution is required to completely neutralize 0.5 moles of HCl?
  • A. 0.5 L
  • B. 1 L
  • C. 0.25 L
  • D. 2 L
Q. When analyzing forces in equilibrium, which of the following is true about the net force?
  • A. It must be greater than zero
  • B. It must be less than zero
  • C. It must be equal to zero
  • D. It can be any value
Q. Which colligative property can be used to determine the molar mass of a solute?
  • A. Vapor pressure lowering
  • B. Boiling point elevation
  • C. Freezing point depression
  • D. All of the above
Q. Which colligative property is affected by the presence of electrolytes?
  • A. Vapor pressure lowering
  • B. Boiling point elevation
  • C. Freezing point depression
  • D. All of the above
Q. Which colligative property is used to determine molar mass of a solute?
  • A. Boiling point elevation
  • B. Freezing point depression
  • C. Osmotic pressure
  • D. All of the above
Q. Which colligative property is used to determine the molar mass of a solute?
  • A. Boiling point elevation
  • B. Freezing point depression
  • C. Osmotic pressure
  • D. All of the above
Q. Which element has the electronic configuration 1s2 2s2 2p6 3s2 3p1?
  • A. Al
  • B. Si
  • C. P
  • D. Cl
Q. Which element has the electronic configuration 1s2 2s2 2p6 3s2 3p6 4s2?
  • A. Arsenic
  • B. Calcium
  • C. Krypton
  • D. Titanium
Q. Which factor does NOT affect the Gibbs Free Energy of a reaction?
  • A. Temperature
  • B. Pressure
  • C. Concentration of reactants
  • D. Nature of the solvent
Q. Which factor does NOT affect the Gibbs Free Energy of a system?
  • A. Temperature
  • B. Pressure
  • C. Concentration of reactants
  • D. Nature of the solvent
Q. Which gas has the highest density at the same temperature and pressure?
  • A. He
  • B. Ar
  • C. N2
  • D. CO2
Q. Which gas has the highest rate of diffusion at a given temperature?
  • A. O2
  • B. N2
  • C. He
  • D. CO2
Q. Which gas is produced during the reaction of an acid with a carbonate?
  • A. Oxygen
  • B. Hydrogen
  • C. Carbon dioxide
  • D. Nitrogen
Q. Which gas law relates pressure and temperature at constant volume?
  • A. Boyle's Law
  • B. Charles's Law
  • C. Avogadro's Law
  • D. Gay-Lussac's Law
Q. Which gas law relates the volume and temperature of a gas at constant pressure?
  • A. Boyle's Law
  • B. Charles's Law
  • C. Avogadro's Law
  • D. Graham's Law
Q. Which gas law relates volume and temperature at constant pressure?
  • A. Boyle's Law
  • B. Charles's Law
  • C. Avogadro's Law
  • D. Ideal Gas Law
Q. Which hybridization corresponds to a tetrahedral molecular geometry?
  • A. sp
  • B. sp2
  • C. sp3
  • D. dsp2
Q. Which is the correct order of adsorption strength from highest to lowest?
  • A. Physisorption > Chemisorption
  • B. Chemisorption > Physisorption
  • C. Physisorption = Chemisorption
  • D. None of the above
Q. Which law states that energy cannot be created or destroyed?
  • A. Zeroth law
  • B. First law
  • C. Second law
  • D. Third law
Q. Which law states that the total enthalpy change for a reaction is the same, regardless of the number of steps taken?
  • A. First Law of Thermodynamics
  • B. Second Law of Thermodynamics
  • C. Hess's Law
  • D. Gibbs Free Energy
Q. Which law states that the total enthalpy change for a reaction is the same, regardless of the number of steps in the reaction?
  • A. First Law of Thermodynamics
  • B. Second Law of Thermodynamics
  • C. Hess's Law
  • D. Gibbs Free Energy
Q. Which law states that the total entropy of an isolated system can never decrease over time?
  • A. Zeroth Law
  • B. First Law
  • C. Second Law
  • D. Third Law
Q. Which law states that the total pressure of a gas mixture is equal to the sum of the partial pressures of its components?
  • A. Dalton's Law
  • B. Boyle's Law
  • C. Charles's Law
  • D. Avogadro's Law
Q. Which molecule exhibits sp hybridization?
  • A. CCl4
  • B. CO2
  • C. NH3
  • D. H2O
Q. Which molecule has a bent shape due to lone pairs?
  • A. CO2
  • B. O3
  • C. CH4
  • D. BF3
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