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Chemistry
A Level

Draw the reaction mechanism for the formation of ethanol from bromoethane and water and name the mechanism.

The first step is the draw out the molecules in question to understand what is happening in the reaction. You can see that the bromine atom has been substituted for an alcohol group (OH) in the enthane mo...

HH
Answered by Henry H. Chemistry tutor
7195 Views

What is entropy?

Entropy is the level of disorder in the universe. The more disordered something is, the higher its entropy. Molecules in solids ae specifically arranged and vibrating, hence the level of disorder is low, ...

RB
Answered by Rajas B. Chemistry tutor
1923 Views

Explain why chlorine has a lower boiling point than Bromine. (2 marks)

Chlorine molecules are smaller than bromine molecules in size, therefore, the van der Waals forces (intermolecular forces) are weaker between Cl2 molecules than compared to Br2 molecules.

JB
Answered by Joseph B. Chemistry tutor
10426 Views

Balance the following redox equation: PbO2 + SO32- ==> Pb2+ + SO42-

To balance redox equations, do the following steps:
-Divide into 2 half equations
-Balance the formula EXCEPT for oxygen and hydrogen
-Balance the number of oxygens by adding water
...

ZC
Answered by Zain C. Chemistry tutor
12338 Views

How does HBr add across a double bond? Predict the regiochemistry when HBr is reacted with 2-methylpropene

When HBr is dissolved in solution it dissociates in its two major components: H+ and Br-. The acidic environment promotes nucleophilic of the alkenes to the electrophilic protons to ...

RM
Answered by Ryan M. Chemistry tutor
2723 Views

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