15.A compound's empirical formula is CH3. If the molar mass is 30 g/mol, what is the molecular formula? a. CH3
c. C2H6
b. CH4
d. C3H9

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Compare and contrast the bohr model and the electron cloud models of the atom.