How does the law of conservation of mass apply to this reaction c2h4+02--> 2h2o+2co2

Why does his teacher ask him to balance the equation by including the correct coefficient

In which situation can a mixture always be called a solution

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.