Question

a carbon dioxide fire extinguisher of 3 litres capacity contains 4.4 kg of carbon dioxide. what volume of gas could this fire extinguisher deliver at NTP

Answer 1

Answer:

The volume of CO₂ gas delivered at NTP is 2240 litres.

Explanation:

Mass of CO₂in fire extinguisher = 4.4 kg = 4400 g

The molecular weight of CO₂ is 44 g/mol.

∴Moles of CO₂ = 4400 g / (44 g/mol) = 100 moles

Since 1 mole of a gas contains 22.4 litres of volume in NTP.

∴ Volume of CO₂ gas delivered at NTP = 22.4 * 100= 2240 litres

Answer 2

A CO₂ extinguisher with 4.4 kg of CO₂ within, delivers 2240 litres of volume of gas at NTP.

Given data :

Weight of the gas CO₂ = 4.4 kg

                                      = 4.4 x 1000 grams

                                      = 4400 grams

Step by Step Calculation :

Molecular weight of CO₂ = 12 + 16(2)

                                          = 12 + 32

                                          = 44 grams / molecule

No.of moles of CO₂ =  Weight / Gram molecular weight

                                  = 4400 / 44  moles

                                  = 100 moles

We all know that,

At Normal Temperature Pressure, 1 mole of gas contains 22.4 litres of volume.

So, 100 moles of CO₂ contains 100 x 22.4 = 2240 litres of volume.

Therefore, The volume of gas CO₂ could this fire extinguisher deliver at NTP is 2240 litres.

Learn more :

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