Answer:

no. 1

The reactants that is comsumed first and limits the amount of product(s) that can be obtained is the limiting reactants. To identify the limiting reactant, calculate the number of mole of each reactant present and compare this ratio to the mole ratio of the reactants of the balanced chemical equation.

no. 2

Molecules must collides with sufficient energy, known as the activation energy, so that chemical bond can break. Molecules must collides with the proper orientation. A collision that meets this two criteria, and the result in the chemical reaction, is known as a successful collision or an affective collision. :)

Explanation:

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