Given that the ph of a substance is 2.5, what is the poh?

a.
0

b.
3.5

c.
7.5

d.
11.5

As a part of an experiment a student burns propane to produce carbon dioxide and water she remembers that she must follow the law conservation of matter when writing a balanced chemical equation which of these equation adheres to the law of conservation of matter

Where are chemicals found at work? a. only in cleaning products b. only in carpets and paint c. in every area of work d. only in food preparation submit

Once similarity and one difference between a mixture of elements and a mixture of compounds