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Which of the following statements best describes the similarities between beryllium, magnesium, calcium, and strontium?
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Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer
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What is the overall order of reaction for rate = k[no]2[o2]
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Which description best characterizes the motion of particles in a solid?
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Which of the following statements best describes the similarities between beryllium, magnesium, calc...
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