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Chemistry
A Level

Why does ice float on water?

When water freezes into ice, the H2O molecules form Hydrogen bonds between each other and arrange themselves into an open lattice structure. This causes the molecules in ice to be further apart...

JC
Answered by James C. Chemistry tutor
29504 Views

Draw the mechanism for the reaction between ethanoyl chloride and a nucleophile

nucleophile will attack partially postive charged carbon, and kick out leaving group i.e the chloride ion. Giving a product.

JT
Answered by Jake T. Chemistry tutor
2859 Views

How many moles of carbon dioxide is produced when 73.6 g of ethanol is burned completely in oxygen?

Write down the formula of ethanol: CH3CH2OH . Then the reaction equation: CH3CH2OH + 3O2 ----> 2 CO2 + 3H2O Calculate the mo...

JX
Answered by Jinyi X. Chemistry tutor
7135 Views

How do you convert between different SI units, for example, nmol to mmol?

Convert 560nmol to mmol. 1) nmol – 10-9 --> mmol – 10-3 2) L <--  S (Large goes on the left) 3) Bounce decimal point to the l...

JP
4225 Views

Why is ethylamine a stronger base than phenylamine?

A base is a proton acceptor. 

Amines work as bases due to the electronegativity of the nitrogen atom. The lone pair in the nitrogen atom is filled in a 2p(z) orbital, in phenylamine, the p orbital ...

AM
Answered by Adhib M. Chemistry tutor
10449 Views

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