2AI + 6HCI -> 2AICI3+ 3H2 aluminum reacts with hydrochloric acid. How many moles of aluminum are necessary to produce 11 L of hydrogen gas at STP?

Which formula can be used to calculate the molar mass of hydrogen peroxide

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.