Balancing equations

aluminum nitrate + sodium hydroxide →
aluminum hydroxide + sodium nitrate

The clouds are grey and ground is wet. a quantitative b qualitative

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.