Look at the chemical equation: zn + 2hcl → zncl2 + h2 how many atoms of hydrogen (h) are present on both sides of the equation?

If you want to create an electrical current, which situation would produce a solution capable of this

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?