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nikdorinn [45]
3 years ago
7

When something is plumb, it is

Engineering
2 answers:
GrogVix [38]3 years ago
5 0

Answer:

  C. exactly vertical

Explanation:

"Plumb" means "exactly vertical."

Anna [14]3 years ago
5 0

Answer:

C

Explanation:

The definition of plumb can either be "vertically" or "exactly". In math, the definition of plumb is in face "exactly vertical".

Best of Luck!

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In order to fill a tank of 1000 liter volume to a pressure of 10 atm at 298K, an 11.5Kg of the gas is required. How many moles o
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Answer:

The molecular weight will be "28.12 g/mol".

Explanation:

The given values are:

Pressure,

P = 10 atm

  = 10\times 101325 \ Pa

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Temperature,

T = 298 K

Mass,

m = 11.5 Kg

Volume,

V = 1000 r

   = 1 \ m^3

R = 8.3145 J/mol K

Now,

By using the ideal gas law, we get

⇒ PV=nRT

o,

⇒ n=\frac{PV}{RT}

By substituting the values, we get

       =\frac{1013250\times 1}{8.3145\times 298}

       =408.94 \ moles

As we know,

⇒ Moles(n)=\frac{Mass(m)}{Molecular \ weight(MW)}

or,

⇒        MW=\frac{m}{n}

                   =\frac{11.5}{408.94}

                   =0.02812 \ Kg/mol

                   =28.12 \ g/mol

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