Rate Of Reacton

Chemical response can be observed by
1. playscript of gas libe lay outd (Laboratory Work 1.2, Experiment 1.1)
2. Pressure changes
3. come down formation (Experiment 1.2)
4. Change in the concentration of a fluidness reactant
5. Change in the pH encourage
6. Change in cud during the reaction
7. Colour changes / Change on the colour of intensity
8. Temperature changes (Experiment 1.3)
Rate of reaction is the measurement of the speed which reactants are converted into products in a chemical reaction.
Average place of reaction is the average value of the rate of reaction over an interval of time.
Instantaneous rate of reaction / Rate of reaction at a habituated time are the actual rate of reaction at that instant.
Factors Affecting the Rate of Reaction
1. Total surface area of upstanding reactant
2. Concentration of reactant
3. Temperature of reactant
4. Use of gun
5. Pressure of gaseous reactant
printing of congeries surface area of solid reactant on the rate of reaction
1. littler the size (increase the total surface area), cm3, of the solid reactant, the higher(prenominal) the rate of reaction, cm3 s-1 or cm3 min-1.
picture of concentration of a liquid reactant on the rate of reaction
1.



Higher the concentration, mol dm-3, of a liquid reactant, the higher the rate of reaction, mol dm-3 s-1 or mol dm-3 min-1.
Effect of temperature on the rate of reaction
1. Increase in temperature, the higher the rate of reaction.
Effect of throttle on the rate of reaction
1. Alters the rate of reaction
2. It is specific in its action. It can save catalyse a particular reaction
3. Does non change the quantity of products formed
4. Only small amount of catalyst is needed to increases the rate of reaction. (An increase in the quantity of catalyst will increase the rate of reaction but only a very slight increase.)
5. Catalyst remains chemically unchanged but may undergo physical changes.
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