Given the following dissolved oxygen data for an aeration test at 15° C with Cs - 9 mg/L, the KLa value measured during the test and corrected to 20 C is most nearly? Time (min) Concentration (mg/L) 10 7 O A. 0.14 1/min O B. -0.17 1/min C. 0.17 1/min OD.-0.14 1/min

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Q: 1. A fluid temperature of 70°F; fluid pressure of 1 atm 2. An inner pipe diameter of 0.34 inches…

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Q: A wastewater sample with a DO content of 1.4 mg/L is diluted with deionized water with a DO content…

A: DO of waste water sample = 1.4 mg/LDO of diluted water = 8.8 mg/LDO after mixing = 7.8 mg/LA)…

Q: 100 grams of X metal at 100 ° C is put into 140 mL of water at 25 ° C (specific is: 4.184 J / g "C)…

A: Mass of metal X (mx) = 100 g Metal temperature (Tm) = 100°c  Volume of water = 140 ml Water…

Q: Liquid benzene (A) in a laboratory tube with a vapor pressure of 0.20 atm at a temperature of 298 K…

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Q: a.What units must the constant 0.644 have? b.What should be the value of the constant when all units…

A: Given that : h = 0.644 k0.67(vρ)0.5Cp0.33D0.5u0.17

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A: Step 1:Step 2:

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A: Given: The wavelength of Radiation = 459 nm Work Function of Metal = 4.5 eV

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Q: What units must the constant 0.644 have? 2.What should be the value of the constant when all units…

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Q: What units must the constant 0.644 have? = What should be the value of the constant when all units…

A: following expression is given in the question h=0.644k0.67vp0.5 cp0.33D0.5 μ0.17        1unit of…

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Q: ) Find the number of particles per unit volume as N2 (particles / m3)

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Q: In a room 2 m high, 5 m wide and 2.5 m long a container with 9 liters of water is placed. After 3…

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Principal Quantities and EOS

A physical quantity represents the physical state of a system. It is expressed as the product of a number and unit. The basic quantities used in science are length, mass, and time. The principal quantities are the quantities that are independent of other quantities.