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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
What is the value of molar volume of a gas at STP?
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?
If 112 cm3 of hydrogen sulphide is mixed with 120 cm3 of chlorine at STP, what is the mass of sulphur formed?
H2S + Cl2 → 2HCI + S
The equations given below relate to the manufacture of sodium carbonate (Molecular weight of Na2CO3 = 106).
- \[\ce{NaCl + NH3 + CO2 + H2O -> NaHCO3 + NH4Cl}\]
- \[\ce{2NaHCO3 -> Na2CO3 + H2O + CO2}\]
Equations (1) and (2) are based on the production of 21.2 g of sodium carbonate.
- What mass of sodium hydrogen carbonate must be heated to give 21.2 g of sodium carbonate?
- To produce the mass of sodium hydrogen carbonate calculated in (a), what volume of carbon dioxide, measured at STP, would be required?
Calculate the volume of 320g of SO2 at STP .
(Atomic mass : S = 32 and O = 16)
Give a chemical test to distinguish between the following pair of compounds:
Carbon dioxide gas and sulphur dioxide gas
The following question refers to one mole of chlorine gas.
What is the volume occupied by this gas at STP?
Hydrogen sulphide gas burns in oxygen to yield 12.8 g of sulphur dioxide gas as under:
\[\ce{2H2S + 3O2 -> 2H2O + 2SO2}\]
Calculate the volume of hydrogen sulphide at STP. Also, calculate the volume of oxygen required at STP which will complete the combustion of hydrogen sulphide determined in litres.
A flask contains 3.2 g of sulphur dioxide. Calculate the following:
- The moles of sulphur dioxide present in the flask.
- The number of molecules of sulphur dioxide present in the flask.
- The volume occupied by 3.2 g of sulphur dioxide at STP
(S = 32, O = 16)
