The water in a 150-ml flask is poured into a beaker that contains 600 ml of ethyl alcohol. which substance is the solvent in this mixture?
~ water because it is a very polar compound
~ ethyl alcohol because it has a lower density than water
~ ethyl alcohol because it has a much larger volume than water
~ water because it has dissolved in ethyl alcohol

the role of the microscope world in creating new materials .

2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.