Balanced equation: 2Al(s) + 3Cl2(g)--> 2AlCl3(s). b. If you begin with 3.2 g of aluminum and 5.4 g of chlorine, which is the limiting reactant? c. How many grams of aluminum chloride can be produced from the amount of limiting reactant available? d. Calculate the mass of excess reactant that remains after the reaction is complete.

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent