Chemistry, 24.08.2019 01:10 tinandalp7ctf8
Ahorizontal pipe 15 cm in diameter and 4 m long is buried in the earth at a depth of 20 cm. the pipe-wall temperature is 75 degree c and the earth surface temperature is 5 degree c. assuming that the thermal conductivity of the earth is 0.8w/m. degree c. calculate the heat lost by the pipe. what is the heat lost if the pipe was buried at a depth of 180 cm?
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Adepositional also feature that forms where a stream enters a lake or an ocean is a
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13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
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Complete each row of the table below by filling in the missing prefix or missing exponent.
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Ahorizontal pipe 15 cm in diameter and 4 m long is buried in the earth at a depth of 20 cm. the pipe...
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