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प्रश्न
Why is it necessary to compare gases at S.T.P?
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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.
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संबंधित प्रश्न
The mass of 11.2 litres of a certain gas at s.t.p. is 24 g. Find the gram molecular mass of the gas
What volume of hydrogen sulphide at STP will burn in oxygen to yield 12.8g what volume of oxygen would be required for complete combustion?
Concentrated nitric acid oxidizes phosphorous to phosphoric acid according to the following equation :
P + 5HNO3 → H3PO4 + H2O + 5NO2
What will be the volume of steam at the same time measured at 760mm of Hg pressure and 273°C? [H=1, N=14, O=16, P=31]
Ammonia may be oxidized to ni trogen monoxide in the presence of a catalyst according to th e equation as:
4NH3 + 5O2 → 4NO + 6H2O
If 27L of reactants are consumed, what volume of ni trogen monoxide is produced at the same temperature and pressure?
Oxygen oxidase ethyne to carbon dioxide and water as shown by the equation :
2C2H2 + 5O2 → 4CO2 + 2H2O
What volume of ethylene gas at STP is required to produce 8.4 dm3 of carbon dioxide at STP?
What is the volume at S.T.P. of 7.1 g of chlorine?
The following question refers to one mole of chlorine gas.
What is the volume occupied by this gas at STP?
The following experiment was performed in order to determine the formula of a hydrocarbon. The hydrocarbon X is purified by fractional distillation.
0.145 g of X was heated with dry copper (II) oxide and 224 cm3 of carbon dioxide was collected at S.T.P.
Which elements does X contain?
A sample of carbon dioxide occupies 30 cm3 at 15°C and 740 mm pressure. Find its volume at STP.
Which will have greater volume when the following gases are compared at STP:
- 1.2/N2 at 25°C and 748 mmHg
- 1.25/O2 at STP
