How many types of atoms can you expect to find in a sample of any element?

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

An experimental procedure requires a 10 ml of acid to be dissolved