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प्रश्न
Define S.T.P.
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उत्तर
The standard values chosen are 0 °C or 273K for temperature, and 1 atmospheric unit (atm) or 760 mm Hg for pressure. These standard values are known as standard temperature and pressure.
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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
If 6 liters of hydrogen and 4 liters of chlorine are mixed and exploded and if water is added to the gases formed, find the volume of the residual gas.
A gas of 32 g mass has a volume of 20 litres at STP. Calculate the gram molecular weight of the gas.
State your observation of the following case:
When moist starch iodide paper is introduced into chlorine gas.
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?
\[\ce{C2H4 + 3O2 → 2CO2 + 2H2O}\]
Calculate the volume of HCl gas formed and chlorine gas required when 40 ml of methane reacts completely with chlorine at S.T.P.
\[\ce{CH4 + 2Cl2 → CH2Cl2 + 2HCl}\]
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?
Why is it necessary to compare gases at S.T.P?
Correct the following statement:
The standard temperature is 25°C.
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 STP.
What was the purpose of Copper (II) oxide?
