what volume of oxygen would be required to burn completely 400 ml of acetylene [C2H2]?

Hydrogen and oxygen combine in the ratio of 1 :8 by mass to from water. What mass of oxygen gas would be required to react completely with 3g of hydrogen?

MnO_4^(-) ions are reduced in acidic condition to Mn^(2+) ions whereas they are reduced in neutral condition to MnO_2 . The oxidation of 25 ml of a solution X containing Fe^(2+) ions required in acidic condition 20 ml of a solution Y containing MnO_4^(-) ions. What volume of solution Y would be required to oxidise 25 ml of solution X containing Fe^(2+) ions in neutral condition ?

Calculate the volue of O_(2) at 1 atm and 273 K required for the complete combustion of 2.64 L of acetylene (C_(2)H_(2)) at 1 atm and 273 K. 2C_(2)H_(2)"(g)"+5O_(2)"(g)"rarr4CO_(2)"(g)"+2H_(2)O(l)

What volume of 10%(w/v) solution of Na_2CO_3 will be required to neutralise 100 mL of HCl solution containing 3.65 g of HCl?

What volume of air at 1 atm and 273K containing 21% of oxygen by volume is required to completely burn sulphur (S_8) present in 200g of sample , which contains 20% inert material which does not burn. Sulphur burns according to the reaction 1/8 S_8(s)+O_2(g)rarrSO_2(g)

What pressure of H_2 would be required to make the e.m.f of hydrogen elecrode zero in pure water at 25^@C ?

How many mL of 0.1 M HCl are required to react completely with 1 g mixture of Na2CO3 and NaHCO3 containing equimolar amounts of both?

The volume of O2 at STP required for the complete combustion of CH4 is ...................................