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What is the change in length of a 2 m copper pipe if its temperature is raised from 21degrees C to 973degrees C?
Wiki User
∙ 12y ago
The change in temperature is 973-21 = 952C
The expansion over that range is 20.8 x 10 to the minus 6 per degree
The change in length over 2 meters is
20.8E-06 x 952 x 2 = 0.0396 meters
Wiki User
∙ 12y ago
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What is the mass of a piece of copper that undergoes a 25 degrees C temp change with the loss of 428 J of energy?
q = mass * specific heat * change in temperature 428 joules = (mass)(0.385 J/gC)(25o C) = 44 grams copper ============
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because in 1982 there was a war going on and copper was short and they needed copper for their weapons so they stoped using copper for the so called "penny" and used zinc instead but they still used a copper collered coating. :) hope this helped because in 1982 there was a war going on and copper was short and they needed copper for their weapons so they stoped using copper for the so called "penny" and used zinc instead but they still used a copper collered coating. :) hope this helped
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What temperature does copper change from a solid to a liquid?
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69
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The chemical reaction between the copper and the nitric acid produces heat. study island...
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