Chemistry

Explain the following observation in terms of the collision theory, restricting each to about 25 words.

NO(g) + O3(g)--> NO2(g) + O2(g)

(a) An increase in temperature increases the reaction rate.

(b) Compressing the gases into a smaller volume increases the reaction rate.

(c) Adding a small amount of a nickel catalyst to the reaction vessel increases the rate without increasing the temperature.

asked by Patrick
  1. a. Increasing T increases the energy of the molecules which increases the probability that a reaction will take place when a collision takes place.

    b. Compressing the gas into a smaller volume increases the concn of the gases and that increases the change of a collision.

    c. Adding a Ni catalyst provides a surface to which the molecules can form an intermediate. It effectively lowers the activation energy for the reaction.

    posted by DrBob222
  2. Did you get the formal charge question taken care of? Do you understand how to assign formal chargers.

    posted by DrBob222
  3. what is the mean of non integer coefficients in the chemical reactions and why is used?

    posted by nooshin

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