What is the gram formula mass of potassium hydroxide (KOH) ?

40

56

51

47

Power is calculated by multiplying voltage by a. current. b. energy. c. resistance. d. voltage.

Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. 2 al (s) + 6 hcl (aq) → 2 alcl3 (aq) + 3 h2 (g) what mass of h2 (g) is produced from the reaction of 1.35 g al (s) with excess hydrochloric acid?

The Atomic weight of an element is equal to the number of what?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2, chlorine gas cl2, oxygen gas o2, water h2o, and a great deal of energy.

Which of the following atoms would have the greatest velocity of each atom had the same kinetic energy? A) fluorine B) chlorine C) oxygen D) bromine

What part of an original isotope's number of atoms remains after two half lives?

What gas has formed when bubels form when water is boiled?

A physical property can be observed or measured without changing the identity of a substance. Which of these choices describes a physical property? The temperature at which a liquid will boil. The tendency of a substance to explode.

What is the correct order of sediment size from smaller particles to bigger particles?

How do the chemical properties of oxides change from left to right across a period? From top to bottom within a particular group?