Potassium (k) combines with magnesium bromide (mgbr2) to form potassium bromide (kbr) and magnesium (mg) during a chemical reaction.
which of the following shows the balanced chemical equation for this reaction?

a) k + mgbr2 = kbr + mg
b) 2 k + mgbr2 → 2 kbr + mg
c) 2 k + mgbr2 = kbr + 2 mg
d) 2 k +2 mgbr2 = 2 kbr + 2 mg

What is the value of keq for the reaction expressed in scientific notation?

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.

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature