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Chemistry
A Level

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
2538 Views

What affects the boiling point of an alkane and why?

There are two ways to affect the boiling point, both of which are to do with London forces found between molecules. Firstly, the chain length. If the chain length increases, the molecules will have a larg...

TB
Answered by Thomas B. Chemistry tutor
11362 Views

How do you calculate the units for Kc?

The units for Kc changes depending on the concentrations of each reactant and product in the equation. It can also be possible that there are no units for Kc because the concentrations at the top and the ...

HM
Answered by Huma M. Chemistry tutor
53919 Views

Why does the pH of neutral water drop when it is left out in an uncovered container on a worktop for a long period of time?

This question tests your knowledge on; the properties of non-metal oxides in solution, the concept of equilibrium, pH.

Non-metal oxides such as (CO2, P4O10, SO2, etc) are acidic in solution. When l...

NG
2168 Views

What is the electronic configuration of Chlorine and of a chloride ion and explain why Chlorine is 'happiest' as a chloride ion.

Cl - 1s22s22p63s23p5

Cl- - 1s22s22p63s23p6

The 3p orbital is slightly unstable because of the single unpaired electron which is at a higher energy and wants to pair up, the 3p orbital is mor...

MS
Answered by Molly S. Chemistry tutor
13326 Views

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