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Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
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Particles vibrate in a rigid structure and do not move relative to their neighbors.
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Apush or pull that moves or changes and object when to objects touch
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If input energyis 100J and useful is 70J what is the waste energy...
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