Which definition best describes the term activation energy?

Which definition best describes the term activation energy?

a) the energy required to remove an electron from a gaseous atom

b) the minimum kinetic energy that particles must possess for a chemical reaction to occur

c) the energy of motion

d) the energy required to separate ions in a crystalline solid

So, I think it's C; because activation energy is the amount of energy required for a chemical reaction to take place. This is the starting energy before we go on the reaction. If there is no activation energy, no reaction will occur. And if the energy of the colliding molecules is less than the activation energy, no reaction will also occur.

is this right?

Thanks 🙂

6 Answers

  • Your description shows you understand the concept,

    but you should have translated that to choice B.

    A is the definition for ionization energy

    C is the definition of kinetic energy

    D could be the definition of lattice energy.

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    RE:

    Which definition best describes the term activation energy?

    Which definition best describes the term activation energy?

    a) the energy required to remove an electron from a gaseous atom

    b) the minimum kinetic energy that particles must possess for a chemical reaction to occur

    c) the energy of motion

    d) the energy required to separate ions in a...

  • Describe Activation Energy

  • It is (B) the minimum

    kinetic energy

    that particles

    must possess

    for a chemical

    reaction to

    occur

    .Note that it is the introduction of a catalyst that lowers the activation energy thereby creating a new reaction pathway.Take care

  • Which Definition

  • most chemical reactions obey one of three differential rate laws. Each rate law contains a constant, k, called the rate constant. The units for the rate constant depend upon the rate law, because the rate always has units of mole L-1 sec-1 and the concentration always has units of mole L-1...Zero-Order Reaction... For a zero-order reaction, the rate of reaction is a constant.... When the limiting reactant is completely consumed, the reaction abrupts stops

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