Write the equation for ion formation and calculate the pH of the following solutions: 0.045 M HNO3

0.032 M Sr(OH)2

What is the empirical formula for c4h8o2

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.

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.