11.2 L of carbon dioxide at S.T.P contains _______ oxygen atoms.

One mole of Sulphuric acid contains _________ Oxygen atoms.

A mixture-of 1.5 gm calcium carbonate and magnesium carbonate is strongly heated form 360 ml of carbondioxide at S.T.P. calcualte the percentage composition of the mixture. [C = 12, M = 24]

One requires 11 eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in

Write down the thermochemical equations for the following reactions: (i) A 1 mol sample of methane gas reacts with 2 mol of oxygen gas to form 1 mol of carbon dioxide and 2 mol of water. In this reaction, 890.5 kJ of heat is produced. (ii) A 1 mol sample of carbon (graphite) reacts with 1 mol of oxygen tof orm 1 mol fo carbon dioxide gas. the heat evolved in this reaction is 393.5 kJ. (iii) 6 mol of carbon dioxide gas reacts with 6 mol of water to form 6 mol of oxygen gas and 1 mol of glucose. the heat absorbed in this reaction is 2200 kJ.

What will be the pressure exerted by a mixture of 3.2g of methane and 4.4 g of carbon dioxide contained in a 9 dm^(3) flask at 27^(@)C ?

What will be the pressure exerted by a mixture of 3.2g of methane and 4.4. g of carbon dioxide contained in a 9dm^3 flask at 27^@C ?

The compound 5 - (1,2 - dimethylpropyl) - 6 - ethyldecane contains _______ 3^(@) carbon atoms.

A mixture of 8 g oxygen ,14 g nitrogen and 22g carbon dioxide is contained in a vessel of volume 4L What will be the pressure of the gas mixture if the temperature of the mixture is 27^@C ?

Methane was burnt in an incorrectly adjusted burner. The methane was converted into a mixture of carbon dioxide and carbon monoxide in the ratio of 99:1, together with water vapour, what will be the volume of oxygen consumed when y dm^(3) of methane is burnt -