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Aleksandr-060686 [28]
3 years ago
12

What is the mass occupied by 44.8 l of nitrogen (n2​)​ at standard​ conditions?

Chemistry
1 answer:
Shalnov [3]3 years ago
6 0
Data Given:
                  Volume  =  V  =  44.8 L

                  Standard Pressure  =  P  =  1 atm

                  Standard Temperature  =  T  =  273 K

According to Ideal Gas Equation,

                            P V  =  n R T

Solving for n,

                            n  =  P V / R T

Putting values,

                            n  =  (1 atm × 44.8 L) ÷ (0.0821 atm.L.mol⁻¹.K⁻¹ × 273 K)

                            n  =  1.99 mol

Now, calculating for mass,

                            n  =  Mass / M.mass
Or,
                            Mass  =  n × M.mass

                            Mass  =  1.99 mol × 28 g.mol⁻¹

                            Mass  =  55.72 grams
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9.5314 L is the volume of nitrogen dioxide formed at 103.25 kPa and 22.75 °C.

<h3>What is an ideal gas equation?</h3>

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

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Weight of NO_2 produced - 0.4 X 46

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Given data are:

P=103.25 kPa =1.01899827 atm

T= 22.75 °C +273 = 295.75 K

n=0.4 moles

V=?

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Putting the value in PV=nRT

V =  \frac{nRT}{P}

V =  \frac{0.4 \;moles \;X \;0.0821\; liter\;atm/\;mol \;K X \;295.75 \;K}{1.01899827 atm}

V= 9.5314 L

Hence, 9.5314 L is the volume of nitrogen dioxide formed at 103.25 kPa and 22.75 °C.

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Explanation:

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