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FAQ

High chemistry: Does the catalyst affect the heat and heat of the reaction?

The catalyst that has no effect affects only the rate of reaction

Please name 2 common examples of catalysts.Thank you?

Well, there's Adam's Catalyst (PtO2) which is one of the most used catalysts.

Hydrogen and nitrogen in the high temperature and pressure and catalyst conditions for the synthesis of ammonia chemical equation

3H2 + N2 = 2NH3 conditional catalyst

how can you tell when a substance serves as a catalyst?

The purpose of a catalyst is to provide an alternate pathway for a reaction to proceed, often one with a lower activation energy, such that the reaction will generally proceed faster. The key to catalysts if they they are NOT consumed by the reaction in the end (they may be consumed in an intermediary step, but if so, a subsequent step will recreate the catalyst). In other words, catalysts do not actually participate in the reaction, so they may be reused when the reaction has completed.

How does the catalyst affect chemical balance? Why the catalyst has no effect on the chemical equilibrium, for v-t diagram

Negative catalyst increases the activation energy, so that the reaction time becomes longer

Can some chemical reactions have a variety of catalysts that are correct or wrong?

Very correct, many reactions can have a lot of catalyst. Such as hydrogen peroxide decomposition can be used manganese dioxide or fe destroy

Will the catalyst change the reaction rate in the chemical reaction?

Many of the catalysts are specific in varying degrees, and when added to the chemical reaction system that it can catalyze, it must change the rate of chemical reaction, and of course both positively and negatively catalyzed. Chemical reaction rate, it can not be called a catalyst.

When you write a chemical equation, how do you want to add "catalyst" and "?" When you do not have to write?

This is the need for your memory, write a few times, will naturally cooked