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प्रश्न
Samples of the gases O2, N2, CO2 and CO under the same conditions of temperature and pressure contain the same number of molecules represented by X. The molecules of Oxygen, occupy V litres and have a mass of 8 g. Under the same conditions of temperature and pressure :
What is the volume occupied by : X molecules of N2.
उत्तर
X molecules of N2 occupies V litres.
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संबंधित प्रश्न
Prove the Following :
Oxygen is a diatomic molecule.
What volume of oxygen is required to burn completely a mixture of 22.4 dm3 of methane and 11 .2 dm3 of hydrogen in to carbon dioxide and steam? Equations of the reactions are given below:
CH4 + 2O2 → CO2 + 2H2O
2H2 + O2 → 2H2O
Give two tests of the following:
Water vapour
Calculate the volume of oxygen at STP required for the complete combustion of 100 litres of carbon monoxide at the same temperature and pressure.
\[\ce{2CO + O2 → 2CO2}\]
Pure calcium carbonate and dilute hydrochloric acid are reacted and 2 litres of carbon dioxide were collected at 27oC and normal pressure.
\[\ce{CaCO3 + 2HCl -> CaCl2 + H2O + CO2}\]
Calculate the mass of salt required.
560 ml of carbon monoxide is mixed with 500 ml of oxygen and ignited. The chemical equation for the reaction is as follows:
\[\ce{2CO + O2 -> 2CO2}\]
Calculate the volume of oxygen used and carbon dioxide formed in the above reaction.
1.56 g of sodium peroxide reacts with water according to the following equation:
\[\ce{2Na2O2 + 2H2O -> 4NaOH + O2}\]
Calculate the mass of oxygen liberated.
Aluminium carbide reacts with water according to the following equation.
\[\ce{Al4C3 + 12H2O -> 3CH4 + 4Al(OH)3}\]
What volume of methane is obtained from 12 g of aluminium carbide?
Nitrogen and hydrogen react to form ammonia.
\[\ce{N2_{(g)} + 3H2_{(g)}-> 2NH3_{(g)}}\]
If 1000g of H2 reacts with 2000g of N2.
Calculate the mass of ammonia (NH3) that will be formed.
Concentrated nitric acid oxidizes phosphorus to phosphoric acid according to the following equation:
\[\ce{P + 5HNO3 -> H3PO4 + 5NO2 + H2O}\]
If 6.2 g of phosphorus was used in the reaction, calculate the mass of nitric acid consumed at the same time.
