3.0g of clean magnesium ribbon 8 .0g of clean copper metal were burnt separately in equal volume of air and both metals reacted completely with air; a)State and explain where there was greater change in volume of air Mg=24 Cu=64 ,b) write an equation for the reaction between dilute sulphiric acid and product of burnt copper​

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In reversible reaction chemistry equilibrium is attained when the forward and reverse reactions are taking place at the same rate, thus, the concentrations of reactants and products remain the same. a reversible reaction is a chemical reaction where the reactants form products that, in turn, react together to give the reactants back. in irreversible reactions on the other hand, the reactants react to form the products, which cannot revert back into reactants.

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