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Alecsey [184]
3 years ago
10

What are is a most important event in causing geysers

Chemistry
1 answer:
Montano1993 [528]3 years ago
8 0
Heat underneath the ground making its water boil
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What process is aided by lightning legumes and soul bacteria
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so this is right answer

For reasons that are unclear, no eukaryotic enzymes can break the triple bond of N2. The reduction of N2 to NH3 (nitrogen fixation) is limited to prokaryotes and is catalysed by nitrogenase. Since most of the nitrogen entering the biosphere (around 100 million metric tonnes of N2 per annum) does so through nitrogenase activity (lightning contributes about 10%), those plants that associate with nitrogen-fixing bacteria have a significant selective advantage under conditions of limiting nitrogen.

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A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas reaction vessel. The vessel is
Andre45 [30]

Answer:

525°C is the maximum safe operating temperature the engineer should recommend for this reaction.

Explanation:

Volume of the cylindrical container = V = \pi r^2h

Height of the vessel = h =60.0 cm

Diameter of the vessel = d = 50.0 cm

Radius of the vessel = r = 0.5d = 25.0 cm

V=3.14\times (25.0 cm)^2\times 60.0 cm=117,809.72 cm^3=117,809.72mL

1 cm^3=1 mL

1 mL = 0.001 L

117,809.72 mL = 117,80972 L ≈ 118 L

Pressure of the gas in vessel = P = 7.40 MPa = 7.40\times 10^6 Pa

1 MPa = 10^6 Pa

1 atm = 101325 Pa

P=\frac{7.40\times 10^6}{101325} atm=73.0 atm

Mass sulfur hexafluoride gas = 19.2 kg = 19200 g

1 kg = 1000 g

Moles of sulfur hexafluoirde = \frac{19200 g}{146 g/mol}=131.5 mol

Temperature of the gas in vessel = T

Using an ideal gas equation :

PV=nRT

T=\frac{PV}{nR}=\frac{73.0 atm\times 118 L}{0.0821 atm L/mol K\times 131.5 mol}

T = 797.8 ≈ K 798 K

T = 798 - 273°C = 525°C

525°C is the maximum safe operating temperature the engineer should recommend for this reaction.

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