Why Does the Rate of the Reaction Decrease Over Time

question 20

Multiple Choice

Why does the rate of the reaction decrease over time?

• A)Exothermic reactions lose heat which cools the reaction which decreases reaction rate.
• B)As the reaction proceeds,the concentration of the products results in fewer collisions.
• C)As the reaction proceeds,a decrease in the concentration of reactants results in fewer successful collisions.
• D)Not all molecules will react and some choose to stay in their present form.
• E)none of the above

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Definitions:

Menu Costs

Menu costs are the costs to firms of changing their prices, including the physical costs of changing price tags and the intangible costs of updating pricing information.

Advertising New Prices

The practice of notifying consumers about changes in the prices of goods or services through various forms of media.

Collision Detection

The computational procedure to check and identify when two or more entities in a digital simulation or physical environment occupy the same space at the same time, to prevent or resolve conflicts.

Network Access Control

The method of accessing the network media (cable) to ensure that data are transmitted in an organized manner in order to reduce the possibilities of data corruption.