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प्रश्न
Correct the statement, if required.
Under the same conditions of temperature and pressure, equal volumes of all gases contain the same number of atoms.
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उत्तर
Under similar conditions of temperature and pressure, equal volumes of all gases contain the same number of molecules.
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संबंधित प्रश्न
What is the mass of 0.5 mole of water molecules?
What is the mass of 0.2 mole of oxygen atoms ?
Fill in the following blanks :
60 g of carbon element are .............. moles of carbon atoms.
Calculate the mole ratio of 240 g of calcium and 240 g of magnesium. (Ca = 40 u ; Mg = 24 u)
Explain the term:
Gram atom
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
What mass of ammonium nitrate should be heated to produce 8.96L of steam?
The equation for the burning of octane is:
\[\ce{2C8H18 + 25O2 -> 16CO2 + 18H2O}\]
- How many moles of carbon dioxide are produced when one mole of octane burns?
- What volume, at STP, is occupied by the number of moles determined in (a)?
- If the relative molecular mass of carbon dioxide is 44, what is the mass of carbon dioxide produced by burning moles of octane?
- What is the empirical formula of octane?
Correct the following statement :
Equal masses of all gases under identical conditions contain the same number of molecules.
What mass of Ca will contain the same number of atoms as are present in 3.2 g of S?
Calculate the number of moles in 1.51 × 1023 molecules of NH4Cl.
