Place coefficients in the reactants and or products to balance the following chemical reactions. 1. fe + s fes 2. h2 + cl2 hcl 3. mg + o2 mgo 4. o2 + h2 h2o 5. hgo hg + o2 6. ca + h2o ca(oh)2 + h2 7. ch4 + o2 co2 + h2o 8. na2o2 + h2(so4) na2(so4) + h2o2 9. n2 + h2 nh3 10. al + o2 al2o3 11. kmno4 k2o + mno + o2

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.

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule