The addition of a catalyst in a chemical reaction:

A. Increases the concentration of products at equilibrium.
B. Increases the fraction of reactant molecules with a given kinetic energy.
C. Provides an alternate path with a different activation energy.
D. Lowers the enthalpy change in the overall reaction.

Question

The addition of a catalyst in a chemical reaction:

A. Increases the concentration of products at equilibrium.
B. Increases the fraction of reactant molecules with a given kinetic energy.
C. Provides an alternate path with a different activation energy.
D. Lowers the enthalpy change in the overall reaction.

Anonymous · Answer

the addition of catalyst in a chemical reaction has 2 functions 
 
 if you add negative catalyst then the rate of chemical reaction decreases 
 if you add positive catalyst then the rate of chemical reaction increases.

Anonymous · Answer

The correct answer is C: A catalyst provides an alternate path with a different activation energy. It speeds up chemical reactions by lowering the activation energy needed for the reaction to occur, without affecting the overall position of equilibrium. 
 ;

Answer (2)

Related Questions in Chemistry

📝 Answered - An organic chemist measures the temperature [tex]$T$[/tex] of a solution in a reaction flask. Here is the result: [tex]$T=32.394^{\circ} C$[/tex] Convert [tex]$T$[/tex] to SI units. Round your answer to 6 significant figures.

📝 Answered - Which of these changes is an example of a chemical change? A. sodium making an explosion when added to water B. solid CO₂ turning into gaseous CO₂ C. water droplets forming outside a glass on a hot day D. evaporation of water from a pan

📝 Answered - Why study chemistry? a) to be better informed about the world b) to be better able to make informed decisions c) to learn a technique for identifying and solving problems d) all of the above