determine the kinetic energy of the emitted, Chemistry

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determine the kinetic energy of the emitted

Determine the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency = 1.3 x 10^15 Hz? Express your answer in Joules

Assume the water in your home has a typical concentration of 3.6 x10-3 M (Ca+2, Calcium Ino) and 1.0x10-3 M (Magnesium Ion Mg+2). Determine how many grams of Sodium Carbonate are needed to completely precipitate all of the Calcium and Magnesium ions If your washing machine used 20.1 gallons of water?

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Chemistry: determine the kinetic energy of the emitted

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