Answer:

Explanation:
Hello,
In this case, since the molarity is defined as the ratio of the moles of the solute to the volume of the solution in liters:

For the given volume and molarity, we solve for the moles of ammonium sulfate (solute) as shown below:

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the correct answer should be a
Answer:

Explanation:
Hello there!
In this case, since the thermodynamic definition of the Gibbs free energy for a change process is:

It is possible to plug in the given H, T and S with consistent units, to obtain the correct G as shown below:

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Scientists can reflect on the elements that are already there and predict the next ones