Given the equation representing a closed system: n2o4(g) < => 2no2(g)
which statement describes this system at equilibrium?
(1) the volume of the no2(g) is greater than the volume of the n2o4(g)
(2) the volume of the no2(g) is less than the volume of the n2o4(g)
(3) the rate of the forward reaction and the rate of the reverse reaction are equal
(4) the rate of the forward reaction and the rate of the reverse reaction are unequal

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

How are the terms group and period used on the periodic table

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?