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Chemistry, 21.06.2019 21:30
Which is the layer underground where all empty spaces are filled with a combination of air and water ?
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Chemistry, 21.06.2019 22:20
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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Chemistry, 22.06.2019 12:00
Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt
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An objects mechanical energy is the sum of its?...
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