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Predict the products of electrolysis of molten calcium chloride and explain which ions are at each electrode

Electrolysis is a process in which electrical energy, from a direct current (dc) supply, breaks down electrolytes. the free moving ions in electrolytes are attracted to the oppositely charged electrodes whic...
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Answered by Yasmeen M. • Chemistry tutor
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Image a graph. In which instances is it more appropriate to use an adjacency list instead of an adjacency matrix?

There are two criteria that usually determine whether we use an adjacency list or an adjacency matrix?a. The size of the graph and the number of edges. If the graph has a very big number of nodes but has onl...
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Answered by Calin B. • Computing tutor
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The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5 Work out the area of the triangle.

3+4+5=12 72/12=6 3 6= 18 4 6=24 5 6=30 Area of a right-angled triangle= a b/2 18 24 0.5= 216
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Answered by Saif K. • Maths tutor
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Explain how blood vessels reduce the amount of heat lost from the body. (3)

blood vessels narrow (vasoconstriction) reduces blood flow blood vessels are close to the surface of the skin less heat lost by radiation
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Answered by Soham S. • Biology tutor
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How does temperature affect the rate of reaction?

For a reaction to occur particles reacting must have a neccessary activation energy (kinetic energy). As temperature gets higher, so does the kinetic energy of particles, which can be ilustrated with a Maxwe...
Answered by • Chemistry tutor
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