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A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?
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Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 Ă— 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)
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A 2.0 M solution of LiF had 4.00 moles of LiF added to a solvent to make it.
What is the volume of...
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