How would you prepare 100.0 mL of 0.400 M
CaCl2 from a stock solution of 2.00 M CaCl)?
DONE

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules