What is the mass of zinc required to combine with 0.5 mol of chlorine to produce zinc chloride, ZnCI[subscript 2]? [Relative atomic mass : Zn = 65]
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Evaporation: this is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). water vapour droplets join together to make clouds! condensation: this is when water vapour in the air cools down and turns back into liquid water.