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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 f...

AJ
27724 Views

How should I approach a source based question?

When answering source based questions it is incredibly important to devote at least 10-15 minutes on analysing the source itself, this will help you plan and structure your answer more effectively. You sh...

MB
Answered by Miriam B. History tutor
1835 Views

How does Shakespeare make use of comic conventions in Twelfth Night?

Comic conventions are utilised in a number of ways typical of Shakespearean comedies in Twelfth Night. The most obvious traditional Shakespearean conventions all appear in Twelfth Night, these include mar...

MB
Answered by Miriam B. English tutor
6024 Views

"La Haine est sans doute un film pessimiste et anti-autoritaire".  Dans quelle mesure êtes-vous d'accord avec ce jugement?

Le film 'La Haine' est un film qui donne une vision pessimiste de la période de la société française qu'il montre, avec des éléments anti-autoritaires. Premièrement, l'image que Kassovitz donne de la poli...

MB
Answered by Miriam B. French tutor
7291 Views

Explain how neurotransmitters are transmitted across the synapse?

The action potential travels down the presynaptic neuron, depolarising the membraneCauses voltage-gated calcium channels to openCalcium ions cause the neurotransmitter to fuse with the membraneThe neurotr...

HI
Answered by Hasan I. Biology tutor
2314 Views

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