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Answer to the same number here
Methane enters a 5-cm ID pipe at 35 °C and 12 bar with an average velocity of 7.5 m/s and emerges at a point 150 m lower than the inlet at 35 C and 10 bar. (a) without doing any calculations, predict the signs (+ or-) of ΔΕk and ΔEp , where Δ signifies (outlet -inlet). Briefly explain your reasoning. (b) Calculate ΔΕk and ΔΕ, (W), assuming that the methane behaves as an ideal gas.
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