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Hydrogen chloride (HCl) has a melting point of -114.2 °C. Sodium chloride (NaCl) has a melting point of 801 °C. Explain in terms of structure and bonding why these substances have such different melting points?

Hydrogen chloride has a simple molecular structure. The atoms within the molecule are held together by strong covalent bonds. However, for simple covalent molecules to melt only the weak intermolecular force...
AJ
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What is meant by a strong acid?

When the acid is completely or fully ionised in aqueous solution or if it is dissolved in water.
IL
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What does the percentage atom economy mean

It is the atomic mass of the desired product divided by the total atomic mass of all the products in the reaction, multiplied by 100
TE
Answered by Tobias E. • Chemistry tutor
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Give the characteristics of a homolgous series.

A homologous series is a group of compounds that share the same functionl group. Members of the same series have similar chemical properties and show a gradation in physical properties. Each member differs f...
JW
Answered by Jessica W. • Chemistry tutor
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Explain the trend in reactivity of group 1 metals.

Going down the 1st column of the periodic table the group 1 metal have increasing numbers of electrons.All group 1 metals have a single electron in their outer shell and with an increasing number of electron...
TL
Answered by Thomas L. • Chemistry tutor
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