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Ethane-1,2-diol can be dissolved in water to act as an anti-freeze in car radiators. Explain why ethane-1,2-diol is very soluble in water. (2)

Has O–H (bonds)OR has hydroxyl (groups) OR has hydroxy (groups) Forms hydrogen bonds with water (molecules)
PQ
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How have ideas about atomic structure changed through history?

The Greeks were the first to think of atoms, Democritus defined an atom as the smallest indivisible piece of matter using the idea that if you continue to cut a material in half, you must eventually reach a ...
SW
Answered by Scott W. • Chemistry tutor
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What are the different types of bonding?

There are 3 main types of bonding: covalent, ionic and metallic. Covalent bonding occurs when there are a shared pair of electrons between two atoms. Ionic bonding is the electrostatic attraction between two...
RM
Answered by Rachel M. • Chemistry tutor
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How do you calculate the number of moles of CO2 molecules if the mass is 22g

Firstly, you need to understand that mass= moles x relative formula mass. Using this equation and the understanding of the periodic table, you can work out the relative atomic mass of carbon which is 12 and ...
CC
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Define the three types of chemical bonding.

Ionic bonding occurs between metallic and non-metallic atoms. Electrons are transferred from metal atoms to non-metal atoms. This results in positively charged metal ions and negatively charged non-metal ion...
EP
Answered by Ellie P. • Chemistry tutor
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