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ArbitrLikvidat [17]
3 years ago
14

Why is graphite used instead of gold or copper wires to conduct electricity in very hot situations such as an industrial kiln?

Chemistry
2 answers:
Amanda [17]3 years ago
7 0

In very hot situations like an industrial klin, there is risk of melting of wires if they are made up of metal with low melting point. Also, metal with high electrical conductivity is required under such situations.

Graphite is good conductor of heat and electricity also, it has very high melting point therefore, it is used instead of copper and gold with low melting point to make wires.

Other advantages of graphite are it is thermal shock resistant, The coefficient of thermal expansion is 3 times less than that of copper. The melting of graphite does not take place and it gets converted directly from solid to liquid at 3400 °C (extremely high temperature). It forms lighter electrode because density of graphite is 5 times less than that of copper.

Molodets [167]3 years ago
4 0
It wont melt like gold and copper would at that temperature

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Just find the energy of the <span>blueviolet light with a wavelength of 434.0 nm using the formula:

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E = 0.45 x 10^{-18} J

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<span>Means the electron will not be removed

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2. A quantity of 1.922g of methanol (CH3OH) was burned in a constant-volume
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<h3><u>Answer;</u></h3>

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