Skip to main content
Back

[OLD] Spontaneous Reaction quiz

Control buttons has been changed to "navigation" mode.
1/15

Terms in this set (15)

  • What is thermodynamics concerned with in physical science?
    Thermodynamics is concerned with the transformation of heat and other forms of energy from one type to another.
  • What is a spontaneous reaction?
    A spontaneous reaction is one that occurs naturally without the need for an outside energy source.
  • What is a non-spontaneous reaction?
    A non-spontaneous reaction requires a continuous supply of external energy to occur.
  • Give an example of a spontaneous process mentioned in the lesson.
    A boulder rolling downhill using its own momentum is an example of a spontaneous process.
  • Give an example of a non-spontaneous process from the lesson.
    A car running, which requires gasoline and a battery, is an example of a non-spontaneous process.
  • Which variables help determine if a reaction is spontaneous?
    Variables such as delta G, delta S, and k help determine if a reaction is spontaneous.
  • Does spontaneity depend on the speed of a reaction?
    No, spontaneity does not depend on the speed; a spontaneous reaction can be fast or slow.
  • What does kinetics deal with in chemical reactions?
    Kinetics deals with the speed or rate at which a reaction occurs.
  • What does thermodynamics focus on in reactions?
    Thermodynamics focuses on whether a reaction will occur naturally and the movement towards equilibrium.
  • What happens to a non-spontaneous reaction if the energy source is removed?
    A non-spontaneous reaction will stop if the external energy source is removed.
  • Is the reverse of a spontaneous reaction always non-spontaneous?
    Yes, if a reaction is spontaneous in one direction, it is non-spontaneous in the reverse direction.
  • Do spontaneous reactions always move towards equilibrium?
    Yes, spontaneous reactions naturally progress towards equilibrium.
  • Can you create a non-spontaneous reaction that continues without energy input?
    No, a non-spontaneous reaction cannot continue without ongoing energy input.
  • How can you use real-life logic to identify spontaneous reactions?
    If a process happens naturally in real life, it is likely spontaneous; if it requires constant energy or seems unnatural, it is non-spontaneous.
  • What is the main difference between natural and unnatural processes in terms of spontaneity?
    Natural processes are spontaneous and occur on their own, while unnatural processes are non-spontaneous and do not occur without external energy.