The table shows some properties of four elements. Use the data to answer the following questions. (Assume

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The table shows some properties of four elements. Use the data to answer the following questions. (Assume that steel has similar properties to iron.)

a. Why is aluminium with a steel core used for overhead electricity cables in preference to copper?

b. Suggest why many car engine blocks are made from aluminium alloys rather than from steel.

c. Explain the differences in tensile strength and electrical conductivity of iron and sulfur.

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Cambridge International AS And A Level Chemistry Coursebook

ISBN: 9781316637739

2nd Edition

Authors: Lawrie Ryan, Roger Norris

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Question Posted: Sep 16, 2021 01:04 AM

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The table shows some properties of four elements. Use the data to answer the following questions. (Assume

Question:

Element Density / Tensile g cm- Electrical strength / conductivity/ 10 Sm1 1010 Pa aluminium iron 2.70 7.0 0.38 7.86 21.1 0.10 copper 8.92 13.0 0.59 breaks easily sulfur 2.07 1x 10-23

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Cambridge International AS And A Level Chemistry Coursebook

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