If you react 300 molecules of hydrogen and 200 molecules of oxygen, how many oxygen molecules will you have that do not engage in the reaction

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution