Top answers

Chemistry
A Level

In terms of reaction mechanisms, what exactly is the rate-determining step?

The easiest way to visualise this is to imagine a line of four dinner ladies serving you different parts of a school meal e.g. the first peas, the second mash potatoes, the third chicken and the fourth gr...

AW
Answered by Adam W. Chemistry tutor
3479 Views

What are the different forms of elemental carbon?

Carbon can be found in different forms, with different structures and bonding.

Graphite is a structure in which each carbon atom is bonded to three other carbon atoms, to...

EM
Answered by Eleanor M. Chemistry tutor
6909 Views

What's the difference between an aldehyde and a ketone?

Both aldehydes and ketones contain a double bond between carbon and oxygen.

Aldehydes have the double bond at the end of the molecule. T...

EM
Answered by Eleanor M. Chemistry tutor
45585 Views

Explain how a buffer solution controls pH

Equilibrium: 

BH <--> H+ + B-

alkali reacts with H+, so equilibrium shifts to right to buffer change

acid reacts with B- to form BH, so equilibrium shift...

GS
Answered by George S. Chemistry tutor
4991 Views

How do I test for the presence of a carboxylic acid?

 

Add NaHCO3 or K2COthe reaction will produce COi.e Bubbles!

KD
Answered by Katie D. Chemistry tutor
6108 Views

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