VERY SHORT ANSWER
1. State Charles' law.
2. State Avogadro's law.
3. State Graham's law of diffusion.
4. 1 mm of Hg =
torr.
5. What is the relation between a Kelvin scale and a
Celsius scale?
6. Give the values for the following:
(i) amount of sodium in 1 mole of sodium
Answers
Answer:
1) The physical principle known as Charles' law states that the volume of a gas equals a constant value multiplied by its temperature as measured on the Kelvin scale (zero Kelvin corresponds
2) Avogadro's law, a statement that under the same conditions of temperature and pressure, equal volumes of different gases contain an equal number of molecules. ... This empirical relation can be derived from the kinetic theory of gases under the assumption of a perfect (ideal) gas.
3) Graham's law states that the rate of diffusion or of effusion of a gas is inversely proportional to the square root of its molecular weight. ... Therefore, the rates of diffusion of different gases are inversely proportional to the square roots of their mass densities.
4) 1 torr
5) The Celsius scale is currently defined by two different temperatures: absolute zero and the triple point of Vienna Standard Mean Ocean Water (VSMOW; specially purified water). Based on this, the relationship between Celsius and Kelvin is as follows: TCelsius=TKelvin−273.15 T Celsius = T Kelvin − 273.15 .
6) One mole consists of Avogadro number of atoms i.e. 6.022×1023atoms. The amount of atoms in 12.0 grams of Carbon-12 is the same as Avogadro's number as it is for 1 mole of carbon i.e. a sample of 12 grams of carbon is equal to its one mole. It is similar to a dozen. Therefore, the mass of 1-mole sodium is 23 grams.
Answer:
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