1. which of the following does not indicate that a chemical change may have taken place?
a. fracture formation
b. gas production
c. precipitate formation
d. energy transfer

2. what happens to matter during a chemical reaction?
a. matter is neither destroyed or created.
b. some matter is destroyed
c. some matter is created
d. some matter is destroyed and some is created.

How does a hydroelectric power plant converts energy into energy.

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.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.