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What is the difference between a heterogeneous reaction and a homogeneous reaction?
In homogenous reaction all the components/reactants taking part in the reaction form one single phase, with the reaction occurring in the bulk of this system. In heterogeneous reaction all the components/reactants taking part in the reaction are in different phases, with the reaction occurring between the delimiting surface of the components/reactants.
When a chemical reaction and it and reverse are occurring at the same time and at the same rate the reaction has achieved?
equilibrium
How many types of catalyst are there?
There are mainly two types of catalysts: homogeneous catalysts, which are in the same phase as the reactants, and heterogeneous catalysts, which are in a different phase. Homogeneous catalysts are usually dissolved in the same solvent as the reactants, while heterogeneous catalysts are typically solid catalysts in contact with the reactants.
What will be the consequences of adding or removing a reactant or aproduct from a reaction that is at dynamic equilibrium?
if reaction is at equ. then adding product will cause reaction to proceed forward and product will increase and removing product will do the same while removing reactant will cause reactn 2 proced bakward and reactant will increase and adding product wl do the same it is in accordnc wth LeChateliars principle
What simple experiment can you perform to test the hypothesis that an enzyme is not used up during the reaction?
To test the hypothesis that an enzyme is not used up during a reaction, you can perform a simple experiment where you measure the enzyme activity before and after the reaction. If the enzyme activity remains the same before and after the reaction, it indicates that the enzyme is not used up. This can be done by measuring the substrate conversion rate or product formation rate.
Does the product of a chemical reaction retain the same characteristics of the reactants?
no
What is the difference between a heterogeneous reaction and a homogeneous reaction?
In homogenous reaction all the components/reactants taking part in the reaction form one single phase, with the reaction occurring in the bulk of this system. In heterogeneous reaction all the components/reactants taking part in the reaction are in different phases, with the reaction occurring between the delimiting surface of the components/reactants.
What are the new substances formed in a chemical reaction called?
The substance that is created is called a product.
What two phases in dynamic equilibrium?
the total number of molecules in each phase stays constant
What are the two important classes of catalysts?
The two important classes of catalysts are homogeneous catalysts, which are in the same phase as the reactants, and heterogeneous catalysts, which are in a different phase from the reactants. Each class has its own advantages and applications depending on the specific reaction and conditions.
In what system can reactants exist in the same physical states?
Reactants can exist in the same physical state in a homogeneous system. This means that all the reactants are in the same phase, such as all being in the gas phase or all being in the liquid phase. This is common in reactions that occur in solutions or gases.
What is a change called in which the products are the same as the reactants?
A change in which the products are the same as the reactants is called a reversible reaction or an equilibrium reaction. This means that the reaction can proceed in both the forward and reverse directions, resulting in a dynamic balance between reactants and products.
Why would reactants at the beginning of a chemical reaction weigh the same as the product at the end?
In a chemical reaction, atoms are rearranged to form new substances. The law of conservation of mass states that mass is neither created nor destroyed during a chemical reaction, so the total mass of reactants must be equal to the total mass of products. Therefore, the mass of the reactants at the beginning of a reaction is the same as the mass of the products at the end.
How are reactant atoms and molecules similar to their product atoms and molecules?
The numbers of atoms with the same atomic number are the same in both reactants and products in any chemical reaction.
A chemical reaction has not occurred if the products have?
The same chemical properties as the reactants.
What are the examples of heterogeneous and homogeneous?
catalysts which are in the same phase to that of reactants and products
When a chemical reaction and it and reverse are occurring at the same time and at the same rate the reaction has achieved?
equilibrium
