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Describe the structure and bonding in Graphite?

Arranged in different hexagonal layers, strong covalent bonds exist between carbon atoms, requiring lots of energy input in order to break. However, only weak inter-molecular forces exist between the differe...
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Answered by Rawan E. • Chemistry tutor
5173 Views

Discuss the formation of metamorphic rocks, including foliation development

Metamorphic rocks form when a rock of any classification (igneous, meta, or sed) is subjected to heat and/or pressure , resulting in recrystallisation. Contact metamorphism occurs around a crustal intrusion ...
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Answered by Amy M. • Geology tutor
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What are some techniques I can employ within the exam setting, to answer English Language close reading questions?

Some personal tips I would give to a student during this setting, revolve around 1, good time management, and 2, having three different coloured highlighters, or pens. In terms of time management, I would al...
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Answered by Miranda G. • English tutor
2785 Views

A balloon's volume is 0.002m^3 at room temperature (20°C). What volume will the balloon occupy when it is cooled to -5°C? Give your answer to 3 significant figures.

(Charles' Law) V₁/T₁ = V₂/T₂ (Rearrange) V₂ = (V ₁T₂)/T₁ (What are all the values in the equation?) V₁ = 0.002m^3 T₁ = 20°C T₂= -5°C V₂= ?? (Convert all temperature values into Kelvin) T₁ = 20+273 = 293K T₂=...
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Answered by Ellen W. • Physics tutor
1888 Views

Explain longshore drift.

The prevailing wind blows over the sea at an angle to the coastline, therefore it will cause the swash to run up the beach at a 45 degree angle, this will carry sediment with it which will be deposited. The ...
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Answered by Hattie O. • Geography tutor
2458 Views