Balance this equation by inserting coefficients as needed, zns+h2br2 and znbr2+h2s

What is a spectator ion in the reaction between ba(no3)2(aq) and (nh4)3po4(aq)?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m