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tatiyna
3 years ago
5

Which is a better conductor of thermal energy a plastic foam cup or window glass?

Physics
1 answer:
taurus [48]3 years ago
7 0
<span>Window glass is a much better conductor of thermal energy than a plastic foam (styrofoam) cup. The exact "thermal conductivity" rating of window glass depends on its mineral composition . The thermal conductivity of styrofoam is very low, because it traps air in small pockets, and air has a very low thermal conductivity. That is why styrofoam is widely used as insulation.</span>
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