What conditions make AG always negative? O A. AG is always negative when the reaction is exothermic.
O B. AG is always negative when AH is positive and AS is negative.
O C. AG is always negative when the system becomes more random.
D. AG is always negative when A His negative and AS is positive.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

What is the number of moles in 15.0 g ash3?

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.