A Ice age could occur in the near future causing a mass extinction this is due to global warming.
The doubling the amount will change the gibbs free energy as it is an extensive property which depends upon the the amount of the substance
However as asked in question the DeltaG has unit of kcal /mol
So we have already defined the amount of substance to be one mole this means the value per mole will be same irrespective of the amount taken as we are reporting it for a fixed one mole of a substance
Hence answer is
-100 kcal/mol
Conduct creates, convect rubs, and radiation gives heat.
Explanation:
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