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zlopas [31]
3 years ago
10

Select all that apply.

Chemistry
1 answer:
dem82 [27]3 years ago
6 0
For the answer to the question above, <span>those that apply are: </span>
<span>- salt is not chemically bonded to water </span>
<span>- the ratio of salt to water may vary </span>
<span>- salt and water retain their own chemical properties 
I hope my answer helped you</span>
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Answer:

\Delta G=-541.4kJ/mol

Explanation:

Hello there!

In this case, according to the given information, it turns out firstly necessary to write out the described chemical reaction as shown below:

H_2+F_2\rightarrow 2HF

Now, we set up the expression for the calculation of the standard free energy change, considering the free energy of formation of each species, specially those of H2 and F2 which are both 0 because they are pure elements:

\Delta G=2\Delta G_f^{HF}-(\Delta G_f^{H_2}+\Delta G_f^{F_2})\\\\\Delta G=2*-270.70kJ/mol-(0kJ/mol+0kJ/mol)\\\\\Delta G=-541.4kJ/mol

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