10. math! balance the equations.
mgoz+ hbrz— mgbr2 + h2o
n2 + o2 – n205
c2h4 + o2 + co2 + h2o
fe + hcl → fecl2 + h2

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

The same side of the moon always faces earth because the

What is the correct lewis dot structure for arsenic?