How much of a 500 g sample of potassium-42 is left after 62 hours? the half life of k-42 is 12.4 days

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 must occur for air masses to form fronts

Write a balanced equation showing the formation of copper (ii) nitrite from its elements