Given the following equation formats, which form matches a single replacement reaction?
O AB + CD → AD + CB
O A+B → AB
O A + BC → AC + B
O AB → A+B

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?