Why is it important that a chemical equation is balanced?

Consider sodium oxide, Na2O. Choose the best explanation for the subscript, 2, from the list provided.

How efficient are electric engines

How many atoms are in 0.31 moles

In the video, the whale exhaled carbon dioxide, which is made of one carbon atom and two oxygen atoms. list two things a scientist might ask about the movement of carbon dioxide through the whale and its surroundings.

How many valence electrons does chlorine have?

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

The line of longitude used as the origin in a system of coordinates

In the ground state, has only 1 electron in a p orbital. A. carbon B. fluorine C. hydrogen D. nitrogen E. aluminum