Answer:
2Cl+2e -->2Cl^-
Explanation:
reduction is the gain of electrons and this is the only option which fits the definition.
The attraction between various combinations of atoms will produce BONDS..........
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Answer:
The activation energy of the reaction is 1.152 kJ/mol.
Explanation:
Activation energy is the minimum amount which is absorbed by the reactant molecules to undergo chemical reaction.
Initial temperature of reaction = 
Final temperature of reaction = 
Initial rate of the reaction at 100 k = 
Final rate of the reaction at 200 k = 
Activation energy is calculated from the formula:

R = Universal gas constant = 8.314 J/ K mol

