A 25.00 mL sample of HCl solution is neutralized by exactly 31.22 mL of 0.08152 M Ca(OH)2. What is the molarity of the HCl solution

Which element would mostly likely have an electron affinity measuring closest to zero

The fact that the total amount of energy in a system remains constant is a(n)

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green