Chemistry, 21.01.2021 14:00 chitteshchandra56
(c) There are two theories used to explain why graphite can act as a solid lubricant.
Theory a The forces of attraction between the layers are weak,
allowing the layers to slide over one another.
Theory B Gas molecules are trapped between the layers
allowing the layers to slide over one another.
The table shows the ability of graphite to act as a lubricant in different locations.
Ability to act as a lubricant
Location
Earth's surface
good
high altitude
average
outer space
very poor
Suggest which theory is supported by the evidence in the table.
Give a reason for your choice.
Answers: 3
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(c) There are two theories used to explain why graphite can act as a solid lubricant.
Theory a The...
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