Question

Ionization enthalpy of sodium is 5.14ev,how many kcal of energy is required to ionize all atoms present in 1gram of gaseous Na atoms.

Answer 1

Answer:

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Explanation:

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Answer 2

Thus the energy required to ionize all atoms present in 1 gram of the gaseous Na atoms is equal to 5.14 kcal.

Given:

The ionization enthalpy of sodium is 5.14ev.

To find:

The amount of energy in Kcal required to ionize all atoms present in 1gram of gaseous Na atoms.

Solution:

We know that 1ev=23kcal/mol.

The ionization enthalpy of sodium is 5.14ev.

Thus 5.14 ev is equal to 5.14×23 kcal.

Now the energy required to ionize all atoms present in 23 grams of gaseous Na atoms is equal to 5.14×23 kcal.

Thus the energy required to ionize all atoms present in 1 gram of the gaseous Na atoms is equal to 5.14×23/23=5.14 kcal.

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