Is sodium potassium nitrate exo or endo?​

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

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.