Carbon atoms form ____ (2,3,4) bonds with other atoms by _____ (gaining, losing, sharing) valence electrons in order to attain a
2 answers:
Answer : Carbon atoms form 4 bonds with other atoms by sharing valence electrons in order to attain a stable configuration.
Explanation :
The given element is, Carbon
The element carbon with symbol (C) having the atomic number 6 and the atomic mass 12.
The number of electrons in carbon atom is, 6
The electronic configuration of carbon will be,
The number of valence electrons in carbon atom = 2 + 2 = 4
That means carbon atom have the ability to form four bonds with the other atoms by the sharing of four valence electrons in order to achieve a stable electronic configuration.
For example : Carbon atom share their four valence electrons with four hydrogen atoms that has one valence electron to form a methane molecule, and carbon and hydrogen are bonded by the covalent bond.
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<u>Answer:</u> The for the reaction is -806.86 kJ
<u>Explanation:</u>
We are given:
(Conversion factor: 1 kJ = 1000)
Temperature of the reaction = 293 K
To calculate the standard Gibbs's free energy of the reaction, we use the equation:
Putting values in above equation, we get:
For the given chemical equation:
The expression for is given as:
We are given:
Putting values in above equation, we get:
To calculate the Gibbs free energy of the reaction, we use the equation:
where,
= Gibbs' free energy of the reaction = ?
= Standard gibbs' free energy change of the reaction = -801813.35 J
R = Gas constant =
T = Temperature = 293 K
= equilibrium constant in terms of concentration = 0.126
Putting values in above equation, we get:
Hence, the for the reaction is -806.86 kJ