Three classes: 28×3=84 students
8 test tubes per student: 84× 8= 672
hope this helps!
Answer:
Laura can look for a transparent and translucent liquid and hence determine which beaker has water and which has solution
Explanation:
Pure water is a compound that is transparent in color. However, a solution is a liquid mixture comprising of a solvent or a solute. The atoms of solute occupy space between the atoms of solvent and hence are said to dissolve in it. Water can be a solvent.
Thus, if the beaker has a transparent liquid in it, then it would be pure water while a beaker having a translucent liquid, then it would be a solution
Thats burning of glucose as fuel in the cells. It generates heat and is an exothermic reaction. In Mitochondria, which act as furnaces, the fuel helps generate heat for the cells of the body.
5.2e+26is it this? im not sure
In a bronsted lowry proton transfer reaction, the
hydroxide functions as a/an <u>proton acceptor.</u>
Bases are the opposite of acids. Bases are basic since they
take or accept protons. For example, a Hydroxide ion can accept a proton to
form water.