Which best represents a balanced equation? O
A. HgO -> Hg + O2
B. 2Fe + 02 - Fe2O3
C. 2H2 + 02 -> 2H2O

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

Which is an example of a highly unstable isotope that is often used in fission reactions?