Which of the following best describes urine? Heterogeneous mixture

Pure substance

Homogeneous mixture

Element

Compound

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

Answer explain why it is not possible to deduce a complete order of reactivity.

Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?