# What is law of mass action

## What is law of mass action explain?

Law of mass action, law stating that the rate of any chemical reaction is proportional to the product of the masses of the reacting substances, with each mass raised to a power equal to the coefficient that occurs in the chemical equation.

## What is Rate law and law of mass action?

The rate law is composed of rate constant and concentration of the reactants with the order of overall reaction. The law of mass action equation consists of a concentration of reactants and products raised to the power of the stoichiometric coefficient.

## Why is the law of mass action important?

It attempts to explain why and how humans behave much like atoms, at least in some aspects of their collective lives. The law of mass action (generalized if it is necessary) is the main tool to produce the equation of interactions of humans in sociophysics.

Peter Waage

## What is positive catalyst give an example?

Positive Catalysts

Example: In the preparation of NH3 by Haber’s process Iron oxide acts as a positive catalyst and increases the yield of ammonia in spite of less reaction of Nitrogen.

## Who is mass?

Mass, in physics, quantitative measure of inertia, a fundamental property of all matter. … It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. The greater the mass of a body, the smaller the change produced by an applied force.

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## What is active mass?

1 : the concentration of a reacting substance expressed usually in moles per liter. 2 : the concentration of the portion of a dissolved electrolyte that is dissociated into ions and hence is capable of carrying the electric current.

## What is the difference between rate law and rate constant?

A rate law is an expression showing the relationship of the reaction rate to the concentrations of each reactant. … A large value of the rate constant means that the reaction is relatively fast, while a small value of the rate constant means that the reaction is relatively slow.1 мая 2013 г.

## What is positive catalyst?

(i) Positive catalyst: The catalyst which activates the rate of reaction is called a positive catalyst. (ii) Negative catalyst: The catalyst which deactivates the rate of reaction is called a negative catalyst.

## Is law of mass action applicable to physical equilibrium?

The law of mass action states that the rate of a reaction is proportional to the product of the concentrations of each reactant. … The law of mass action also suggests that the ratio of the reactant concentration and the product concentration is constant at a state of chemical equilibrium.

## What is the relationship between Q and K?

Q can be used to determine which direction a reaction will shift to reach equilibrium. If K > Q, a reaction will proceed forward, converting reactants into products. If K < Q, the reaction will proceed in the reverse direction, converting products into reactants. If Q = K then the system is already at equilibrium.

## Does law of mass action apply on the following reaction?

Yes, law of mass action apply here.

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According to the law of mass action, mass of reactants is always equal to the mass of products. … of molecules in reactants is 4 and that of products is also 4. hence, the law is applicable here.

Berthollet