If a reaction has a ΔH of -120.0 kJ/mol and is spontaneous for all temperatures equal to or less than 200.0 K, what is its ΔS?

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Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Which statement can best be concluded from the ideal gas law?

Stage in which a typical star has completely stopped fusion