The average kinetic energy of water molecules is greatest in which of these samples? a-10 g of water at 35°c b-10 g of water at 55°c c-100 g of water at 25°c d-100 g of water at 45°c

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

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What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m