Table of Contents
- 1 How many litres of air required to burn 8 litres of C2h2?
- 2 What volume of air is required for complete combustion?
- 3 What volume of air containing 21\% of oxygen by volume is required to completely burn 10 gram of Sulphur which has a purity level of 98\%?
- 4 What volume of air at NTP contains 21\% oxygen by volume is required to completely burn 1000 g of Sulphur?
- 5 How many volumes of dioxygen are required for complete combustion of acetylene?
- 6 How much excess air should be used in flue gases?
How many litres of air required to burn 8 litres of C2h2?
Thus 8 L of acetylene require = of oxygen. Now as air contains 21 \% of oxygen in atmosphere: Air required will be : Thus 105 L of air is required to burn 8L of acetylene.
What volume of air is required for complete combustion?
At 300 K and 1 atm, 15 mL of a gaseous hydrocarbon requires 375 mL air containing 20\% O2 by volume for complete combustion. After combustion,the gases occupy 330 mL.
What is air required for?
All organisms present on Earth require air to sustain themselves. Among all the gases oxygen and nitrogen are two gases that are used by organisms to fuel their cells. During respiration oxygen is inhale into the lungs and then release into the bloodstream and oxygen is distributed in all cells of the body.
What is the volume of oxygen needed for the complete combustion of 1 Litre of methane?
The volume of oxygen required for complete combustion of 0.25 mole of methane at STP is 11.2 dm3. As, we know that, the volume of 1 mole of gas is 22.4 L. Hence, 11.2 dm3 of oxygen required for the complete combustion of 0.25 mole of methane.
What volume of air containing 21\% of oxygen by volume is required to completely burn 10 gram of Sulphur which has a purity level of 98\%?
5 × 22.4 = 112 litres. This is 21 \% of volume of air.
What volume of air at NTP contains 21\% oxygen by volume is required to completely burn 1000 g of Sulphur?
Volume of air required = 100/21*672 = 3200 L air required.
How much oxygen is required from air for combustion of fuel?
∴ Oxygen required from air for the complete combustion of fuel will be (2.66C + 8H + S – O) which can be written as 2.66C + 8 (H – O/8) + S, the term in the bracket being known as the available hydrogen.
How do you calculate the volume of dry products of combustion?
Let V 1 m 3 be the amount of air supplied per m 3 of gas in excess of that required for complete combustion and V be the volume of dry products of combustion when minimum quantity of air is supplied. ∴ Total volume of actual products of combustion = (V 1 + V) m 3.
How many volumes of dioxygen are required for complete combustion of acetylene?
We need a stoichiometric equation to represent the combustion: And thus given that at constant pressure, and constant temperature (conditions that must be reasonably assumed!), one volume of acetylene gas requires 5 2 volumes of dioxygen for complete combustion……….
How much excess air should be used in flue gases?
The excess air may approach 100 per cent but the modern practice is to use 25 to 50 per cent. The excess air is indicated by CO 2 \% in flue gases. When the boiler plant of Lancashire boiler type employs hand firing with natural draught system 10\% to 12\% CO 2 in flue gases would be considered good practice.