C3H8 + 5O2—> 3CO2 +4H2O 65.8 grams of C3H8 reacted with excess oxygen. The percent yield of water was 35.0%. How many grams of water were produced?

In which phase(s) do the molecules take the shape of the container?

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.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false