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Nature of Energy quiz #1 Flashcards

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Nature of Energy quiz #1
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  • In a chemical compound, where is the chemical energy contained?
    In a chemical compound, chemical energy is contained in the chemical bonds between atoms.
  • What is the definition of energy in the context of thermal chemistry?
    Energy is defined as the capacity to do work or to produce heat. It is a central concept in thermal chemistry.
  • Which type of energy is associated with the motion of atoms?
    Kinetic energy is associated with the motion of atoms. It can be further broken down into thermal energy.
  • What is the SI unit for energy and after whom is it named?
    The SI unit for energy is the Joule. It is named after the English scientist James Joule.
  • How is thermal energy related to kinetic energy?
    Thermal energy is a form of kinetic energy associated with the temperature generated by the motion of atoms. It reflects the movement of particles in a substance.
  • What is the value of one calorie (lowercase 'c') in joules?
    One calorie (lowercase 'c') equals 4.184 joules. This is a standard energy conversion factor.
  • How many joules are in one Calorie (uppercase 'C') used in food nutrition?
    One Calorie (uppercase 'C') equals 4,184 joules. This unit is commonly used in food nutrition.
  • What is the energy equivalent of one kilowatt hour in joules?
    One kilowatt hour equals 3.6 x 10^6 joules. This conversion is often used in electrical energy calculations.
  • Are students typically required to memorize energy conversion factors for exams?
    Students are usually not required to memorize energy conversion factors. These values are often provided in exam questions or on formula sheets.
  • Which two main categories can energy be broken down into based on atoms?
    Energy can be broken down into potential energy (energy of position) and kinetic energy (energy of motion). Each category can be further subdivided into more specific types.