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Chemistry
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What are the factors that affect the rate of a chemical reaction?

For a reaction to occur molecules must collide with energy greater than or equal to the activation energy, in the correct orientation. The factors affecting the rate of a reaction are:
Pressure of re...

AJ
Answered by Amelia J. Chemistry tutor
3245 Views

You are given a clear solution that is either an alkene or an alkane. Describe a test using bromine water that you could use to determine whether it is an alkene or alkane solution.

1 mark : Indication that the solution and bromine water should be mixed together1 mark : Indicating that the bromine water will de-colourise / go colourless if the solution contains an alkeneOR 1 mark awa...

NH
Answered by Noah H. Chemistry tutor
2252 Views

Part a) Draw the mechanism of the attack of CN- on CH3COCH3 in the presence of HCN Part b) Explain why the product of this reaction does not rotate the plane of plane polarised light

Part a) 1 mark : Show the nucleophilic attack of CN- at the carbonyl forming the O-1 mark : Show the protonation of the O- via the deprotonation of HCNPart b)1 mark: Student has identified that the interm...

NH
Answered by Noah H. Chemistry tutor
3607 Views

What is the empirical formula of a compound with the following composition by mass, 48.0g C, 4.0g H and 48.0g O?

There are 3 Steps to answering this question:But first you need to understand what is meant by empirical formula:The simplest whole number ratio of the atoms of each element present i...

EC
Answered by Eleanor C. Chemistry tutor
5564 Views

Explain what would happen to the pH of a solution of aqueous hydrochloric acid if you add water.

pH is a measure of the concentration of H+ ions contained within a given volume of a solution. Adding water, without increasing the amount of hydrochloric acid particles within the solution, increases the...

MR
4850 Views

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