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प्रश्न
State the atomicity of Hydrogen.
उत्तर
The atomicity of Hydrogen is diatomic, as there are two atoms in H2.
संबंधित प्रश्न
If 150 cc of gas A contains X molecules, how many molecules of gas B will be present in 75 cc of B?. The gases A and B are under the same conditions of temperature and pressure.
Define atomicity of a gas.
What are the main applications of Avogadro's law?
Calculate the mass of 1022 atoms of sulphur.
[Atomic mass: S = 32, C = 12 and O = 16 and Avogadro's number = 6 × 1023]
Differentiate between N2 and 2N.
- If 150 cc of gas A contains X molecules, how many molecules of gas B will be present in 75 cc of B? The gases A and B are under the same conditions of temperature and pressure.
- Name the law on which the above problem is based.
Calculate :
The weight of 1022 atoms of carbon [C = 12, Avogadro’s No. = `6xx10^23 ]`
Samples of the gases O2, N2, CO2 and CO under the same conditions of temperature and pressure contain the same number of molecules x. The molecules of oxygen occupy V litres and have a mass of 8 g under the same conditions of temperature and pressure.
What is the volume occupied by:
- x molecules of N2,
- 3x molecules of CO,
- What is the mass of CO2 in grams?
- In answering the above questions, which law have you used?
The gases hydrogen, oxygen, carbon dioxide, sulphur dioxide, and chlorine are arranged in order of their increasing relative molecular masses. Given 8 g of each gas at STP, which gas will contain the least number of molecules and which gas the most?
What is the co-efficient of real expansion?
