A closed container has 5.60 x 1023 molecules of oxygen gas (O2). How many moles is that?

If a || b and e || f, what is the value of y ?

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition