What volume of oxygen at S.T.P. is required to effect complete combustion of `200 cm^(3)` of acetylene and what would be the volume of carbon dioxide formed ?

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

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

What volume of propane is burnt for every 100 cm3 of oxygen in the reaction.

A hemispherical bowl has a radius of 3.5 cm. What would be the volume of water it would contain?

A matchbox measures 4 cm xx 2 . 5 cm xx 3 cm . What will be the volume of a packet containing 12 such boxes ?

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)

When 200g of lime stone is strongly heated, it undergoes thermal decomposition to form 112g of lime and unknown mass of carbon dioxide gas. What will be mass of CO2 formed ?

A solid object of volume 250 cm^3 is immersed completely in water. Calculate the buoyant form.

When water freezes its volume increases by 4%.What volumeof water is required to make 221 cm^3 of ice?

Savitri had to make a model of a cylindrical kaleidoscope for her science project. She wanted to use chart paper to make the curved surface of the kaleidoscope. What would be the area of chart paper required by her, if she wanted to make a kaleidoscope of length 25 cm with a 3.5 cm radius? You may take pi=22/7 .