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Verdich [7]
3 years ago
9

Read the passage from "Ode on a Grecian Urn." What men or gods are these? What maidens loth? What mad pursuit? What struggle to

escape? What pipes and timbrels? What wild ecstasy? What is the impact of Keats's repetition of the word what? It explains the overall theme. It makes the poem more formal. It emphasizes the curious tone of the speaker. It expresses the thoughts of the people on the urn.
Chemistry
2 answers:
IRISSAK [1]3 years ago
5 0

Answer:

the correct answer is C

NeX [460]3 years ago
4 0
I believe the correct answer is <span>that it emphasizes the curious tone of the speaker.
The speaker is interested in what is going on on that urn, what is depicted there and why. He wants to have answers to many of his questions because he is curious, and this is why he is constantly repeating the interrogative word what.
</span>
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Pressure gauge at the top of a vertical oil well registers 140 bars. The oil well is 6000 m deep and filled with natural gas dow
andreyandreev [35.5K]

Explanation:

(a)  The given data is as follows.

              Pressure on top (P_{o}) = 140 bar = 1.4 \times 10^{7} Pa       (as 1 bar = 10^{5})

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         Density of gas = \frac{PM}{ZRT}

                \frac{dP}{dZ} = \rho \times g

               \frac{dP}{dZ} = \int \frac{PM}{ZRT}

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           ln (\frac{P_{1}}{P_{o}}) = \frac{18.9 \times 10^{-3} \times 9.81 \times 4700 m}{0.80 \times 8.314 J/mol K \times 288 K}

                              = 0.4548

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                                 = 1.4 \times 10^{7} Pa \times 1.5797

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Hence, pressure at the natural gas-oil interface is 2.206 \times 10^{7} Pa.

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                 P_{2} = P_{1}  + \rho \times g \times h

                             = 2.206 \times 10^{7} Pa + 700 \times 9.81 \times (6000 - 4700)[/tex]

                             = 309.8 \times 10^{5} Pa

                             = 309.8 bar

Hence, at the bottom of the well at 15^{o}C pressure is 309.8 bar.

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