Advertisements
Advertisements
प्रश्न
Why is it necessary to compare gases at S.T.P?
Advertisements
उत्तर
Since the Volume of a gas changes remarkably with a change in temperature and pressure, it becomes necessary to choose standard values of temperature and pressure to which gas volume can be referred.
APPEARS IN
संबंधित प्रश्न
What is the volume occupied by 48g of oxygen gas at STP?
Calculate the volume of air at STP, required to convert 300 mL of sulphur dioxide to sulphur trioxide. Air contains 21% of oxygen by volume.
A flask contains 3.2g of sulphur dioxide. Calculate the following : The volume occupied by 3.2g of sulphur dioxide at STP.
Calculate the volume of 320g of SO2 at STP .
(Atomic mass : S = 32 and O = 16)
What volume of oxygen at STP is required to affect the combustion of 11 litres of ethylene [C2H4] at 273°C and 380 mm of Hg pressure?
\[\ce{C2H4 + 3O2 → 2CO2 + 2H2O}\]
What is the mass of 56 cm3 of carbon monoxide at S.T.P?
When carbon dioxide is passed over red hot carbon, carbon monoxide is produced according to the equation :
\[\ce{CO2 + C -> 2CO}\]
What volume of carbon monoxide at S.T.P. can be obtained from 3 g of carbon?
800 cm3 of gas is collected at 654 mm pressure. At what pressure would the volume of the gas reduce by 40% of its original volume, the temperature remaining constant?
Which of the following would occupy 22.4 litres at S.T.P.?
- 32 g of oxygen gas
- 2 moles of hydrogen gas
- 6.022 × 1023 molecules of ammonia
[Atomic weights: O = 16, H = 1, N = 14]
From the equation
\[\ce{3Cu + 8HNO3 -> 3Cu(NO3)2 + 4H2O + 2NO}\]
(Atomic mass Cu = 64, H = 1, N = 14, O = 16)
Calculate the volume of nitric oxide at STP that can be collected.
