Period are going left to right across the periodic table
Groups are going up to down on the periodic table
Answer:
C. 30 kJ
Explanation:
Hello there!
In this case, in agreement to the thermodynamic definition of the Gibbs free energy, in terms of enthalpy of entropy:

It is possible to calculate the required G by plugging in the given entropy and enthalpy as shown below:

Therefore, the answer is C. 30 kJ
.
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All numbers should be subscripts
The answer is 69.69 miles per hour