You have prepared a 1.0 M solution of CaCl2 in the laboratory. What is the concentration of chloride ions in the solution?

a. 0.50 M
b. 1.0 M
c. 1.5 M
d. 2.0 M

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?