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प्रश्न
Correct the following statement:
The standard temperature is 25°C.
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उत्तर
The standard temperature is 0°C.
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संबंधित प्रश्न
(NH4)2Cr2O7 → N2 + Cr2O3 +4H2O.
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(H= 1, N = 14, 0 = 16, Cr = 52)
A gas cylinder contains 24 × 1024 molecules of nitrogen gas. If Avogadro's number is 6 × 1023 and the relative atomic mass of nitrogen is 14, calculate the volume of nitrogen at STP in dm3.
Give a chemical test to distinguish between the following pair of compounds:
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What do you mean by stoichiometry?
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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?
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.
Write the values of:
standard pressure in:
(i) atm
(ii) mm Hg
(iii) cm Hg
(iv) torr
