How many moles of iron (III) oxide are produced from 0.275 moles of diatomic oxygen? 4Fe + 3O2 --> 2Fe2O3

In saturated organic compounds, all the bonds between carbon atoms are called?

What are the first three quantum numbers for the electrons located in subshell 2s?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.