3 years ago

Every population is part of a ___? Help plz!! I'll mark brainliest!

1 answer:

7 0

Answer:

In statistics, a population is the entire pool from which a statistical sample is drawn. A population may refer to an entire group of people, objects, events, hospital visits, or measurements. A population can thus be said to be an aggregate observation of subjects grouped together by a common feature.

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The rate of a physical or chemical process

Nady [450]

Answer:

(A) rate=

Explanation:

The rate of chemical is a measure of the speed of a chemical reaction.

The measurement of the reaction rate is based on the disappearance of a reactant or appearance of a product with increasing reaction time.

Reaction rate is usually expressed in terms of a change in concentration of the chosen reactant or product per unit of time.

During a reaction, the concentration of the reactant decreases exponentially with time while that of a product increases exponentially with time.

Reaction rate = $\frac{change in concentration of a reactant/product}{Time taken}$