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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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Which of the following electromagnetic waves can create ions?
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In a ball-and-stick molecular model, what do the sticks represent?
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Which words or phrases identify layers of groundwater? check all that apply. water table kettle lake saturation zone underground lake sinkhole will give brainiest, answer quickly.
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Find the standard enthalpy of formation of ethylene, c2h4(g), given the following data: c2h4(g) + 3...
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