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Review Of Exampro Rate And Extent Of Chemical Change Answers References. Manganese oxide is a catalyst which can be used to speed up the decomposition. Factors which affect the rates of.
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The Rate And Extent Of Chemical Change Calculating Rates Of Reactions Rate Of Reaction Collision Theory Chemical Reactions Can Only Occur When Reacting Particles Collide With Each Other With Sufficient Energy.
€ the chemical names are shown below each bottle. The more reactive the metal is compared with copper, the bigger the temperature change. Four bottles of chemicals made in the 1880s were found recently in a cupboard during a health and safety inspection at lovell laboratories.
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Figure 5 the student repeated the experiment three times with each metal. Increasing the temperature increases the frequency of collisions and makes the collisions more energetic, therefore increasing the rate of 3.5 using the idea of particle collisions, explain why the reaction rate is faster when the concentration of the acid is greater.
It Increases The Number Of Gas Molecules In The Same Volume And So Increases The Frequency Of Collisions And Therefore Increases The Rate Of Reaction.
This increases the rate of reaction. Mean rate of reaction = n e n in s e of gas in cm3 [3 marks] mean rate of reaction = _____ cm3/s 3.3 give two variables which the student should control during this investigation. The rate of the forward reaction is equal to the rate of the backward reaction.
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Rate & extent of chemical change paper 3: The student used the apparatus shown in figure 1 to collect the gas produced. Increasing the pressure of a gas increasing the pressure of reacting gases, is the same as increasing concentration.