Factors Affecting Reaction Rates and Evidences of Chem. Reaction

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Factors that affect reaction rates and evidences of chemical reaction

Temperature

the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)

Catalyst

(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

Stirring

stirring increases the rate at which particles dissolve

concentration

describes how much solute is present in a solution compared to the amount of solvent

surface area

the extent of a 2-dimensional surface enclosed within a boundary

Formation of Gas

indicator of a change in the form of bubbles

Precipitate

A solid that forms and settles out of a liquid mixture

Change in color

clue that a chemical change has occurred

change in temperature

indicate that energy has been absorbed or released in a chemical reaction

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