Advertisements
Advertisements
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.
उत्तर
Under similar conditions of temperature and pressure, equal volumes of all gases contain the same number of molecules.
APPEARS IN
संबंधित प्रश्न
How many moles are 3.6 g of water ?
What is the mass of 0.2 mole of oxygen atoms ?
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
Sodium chloride
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
Determine the percentage of oxygen in the ammonium nitrate?
Define or explain the term:
Relative molecular mass
What mass of Ca will contain the same number of atoms as are present in 3.2 g of S?
From the equation for burning of hydrogen and oxygen
\[\ce{2H2 + O2 -> 2H2O}\] (Steam)
Write down the number of mole (or moles) of steam obtained from 0.5 moles of oxygen.
N2 + 3H2 → 2NH3
(The atomic mass of nitrogen is 14, and that of hydrogen is 1)
1 mole of nitrogen (______ g) +
3 moles of hydrogen (______ g) →
2 moles of ammonia (______ g)
Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercury are present in 225 g of pure HgS? Molar mass of Hg and S are 200.6 g mol–1 and 32 g mol–1 respectively.
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
magnesium oxide