What part of a reflecting telescope would you measure to find the aperture?

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Sugar is dissolved in water. which is the solute? sugar neither both water

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.