HELP! 2. A photon of light is emitted from an atom with 4.03 x 10-19 J of energy. Given this information,
determine the frequency of this photon of light.

a. 1.65 x 1014 Hz
b. 6.08 x 1014 Hz
c. 2.67 x 1014 Hz
d. 7.44 x 1014 Hz

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

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.

How does climate change cause the ocean's thermohaline current to slow down?