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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids
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When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.
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At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?
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In a titration curve, which of the following is plotted versus the volume of titrant added?
a. pH <...
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