Flashcards on Chemical Kinetics

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What is chemical kinetics?

Chemical kinetics is the study of the rates at which chemical reactions occur and the factors that affect those rates.

What is the difference between a fast and a slow reaction in chemical kinetics?

In chemical kinetics, a fast reaction occurs when the reactants are converted to products quickly, while a slow reaction takes a longer time for the conversion.

How do temperature and concentration affect reaction rates in chemical kinetics?

An increase in temperature generally increases the rate of a reaction in chemical kinetics, while an increase in concentration of reactants also leads to a faster reaction.

What are catalysts in chemical kinetics?

Catalysts are substances that increase the rate of a chemical reaction by providing an alternate pathway with lower activation energy.

Define activation energy in chemical kinetics.

Activation energy is the minimum energy required for a chemical reaction to occur.

Explain the concept of reaction rate in chemical kinetics.

Reaction rate in chemical kinetics refers to the change in concentration of reactants or products per unit time.

How does surface area influence reaction rates in chemical kinetics?

Increasing the surface area of reactants generally increases the rate of a reaction in chemical kinetics.

What is collision theory in chemical kinetics?

Collision theory explains that chemical reactions occur when reactant particles collide with sufficient energy and proper orientation.

How does the presence of a catalyst affect reaction rates in chemical kinetics?

A catalyst can increase the reaction rate by providing an alternative reaction pathway with a lower activation energy.

What is the order of a reaction in chemical kinetics?

The order of a reaction in chemical kinetics represents the dependence of its rate on the concentration of reactants.

Explain the concept of rate-determining step in chemical kinetics.

In chemical kinetics, the rate-determining step is the slowest step of a reaction that determines the overall rate of the reaction.

What is the role of enzymes in chemical kinetics?

Enzymes are biological catalysts that increase the rate of chemical reactions in living organisms.

How does pressure affect reaction rates in chemical kinetics?

An increase in pressure can enhance the rate of reactions involving gaseous reactants in chemical kinetics.

What is the rate equation in chemical kinetics?

The rate equation in chemical kinetics describes the relationship between the rate of a reaction and the concentrations of its reactants.

What are some experimental methods used in chemical kinetics?

Experimental methods in chemical kinetics include measuring changes in concentration, pressure, volume, and temperature over time.

What is chemical kinetics?

Chemical kinetics is the study of the rates at which chemical reactions occur and the factors that affect those rates.

What is the difference between a fast and a slow reaction in chemical kinetics?

In chemical kinetics, a fast reaction occurs when the reactants are converted to products quickly, while a slow reaction takes a longer time for the conversion.

How do temperature and concentration affect reaction rates in chemical kinetics?

An increase in temperature generally increases the rate of a reaction in chemical kinetics, while an increase in concentration of reactants also leads to a faster reaction.

What are catalysts in chemical kinetics?

Catalysts are substances that increase the rate of a chemical reaction by providing an alternate pathway with lower activation energy.

Define activation energy in chemical kinetics.

Activation energy is the minimum energy required for a chemical reaction to occur.

Explain the concept of reaction rate in chemical kinetics.

Reaction rate in chemical kinetics refers to the change in concentration of reactants or products per unit time.

How does surface area influence reaction rates in chemical kinetics?

Increasing the surface area of reactants generally increases the rate of a reaction in chemical kinetics.

What is collision theory in chemical kinetics?

Collision theory explains that chemical reactions occur when reactant particles collide with sufficient energy and proper orientation.

How does the presence of a catalyst affect reaction rates in chemical kinetics?

A catalyst can increase the reaction rate by providing an alternative reaction pathway with a lower activation energy.

What is the order of a reaction in chemical kinetics?

The order of a reaction in chemical kinetics represents the dependence of its rate on the concentration of reactants.

Explain the concept of rate-determining step in chemical kinetics.

In chemical kinetics, the rate-determining step is the slowest step of a reaction that determines the overall rate of the reaction.

What is the role of enzymes in chemical kinetics?

Enzymes are biological catalysts that increase the rate of chemical reactions in living organisms.

How does pressure affect reaction rates in chemical kinetics?

An increase in pressure can enhance the rate of reactions involving gaseous reactants in chemical kinetics.

What is the rate equation in chemical kinetics?

The rate equation in chemical kinetics describes the relationship between the rate of a reaction and the concentrations of its reactants.

What are some experimental methods used in chemical kinetics?

Experimental methods in chemical kinetics include measuring changes in concentration, pressure, volume, and temperature over time.

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