Advertisements
Advertisements
प्रश्न
Correct the following statement :
Equal masses of all gases under identical conditions contain the same number of molecules.
Advertisements
उत्तर
The correct statement is that equal volumes of all gases under identical conditions contain the same number of molecules.
APPEARS IN
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Ethyne, C2H2
What is the mass of 10 moles of sodium sulphite (Na2SO3)?
What name is given to the amount of substance containing 6.022 × 1023 particles(atoms,molecules or ions) of a substance ?
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
Two oxides of a metal (M) have 20.12% and 11.19% oxygen. The formula of the first oxide is MO. Determine the formula of the second oxide.
Given that the relative molecular mass of copper oxide is 80, what volume of ammonia (measured at STP) is required to completely reduce 120g of copper oxide? The equation for the reaction is :
3CuO + 2NH3 → 3Cu + 3H2O + N2
What is the value of molar volume of a gas at S.T.P?
How many grams of CO2 is present in 0.1 mole of it?
Calculate the number of atoms in the following:
52 g of He
Solid ammonium dichromate decomposes as:
\[\ce{(NH4)2Cr2O7 -> N2 + Cr2O3 + 4H2O}\]
If 63 g of ammonium dichromate decomposes. Calculate the quantity in moles of (NH4)2Cr2O7.
