Iron corrodes because turns iron into ions through the process of water, reduction
water, oxidation
iron(iii) oxide, oxidation
iron(iii) oxide, reduction

What is the mass of 0.46 mol of mgcl2

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o