Chemistry, 04.11.2020 18:00 chessacs2950
Q32. Explain the following observations: (a) NH3 contains no OH- ions, and yet its aqueous solutions are basic; (b) HF is called a weak acid, and yet it is very reactive; (c) although sulfuric acid is a strong electrolyte, an aqueous solution of H2SO4 contains more HSO4- ions than SO42- ions.
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Chemistry, 21.06.2019 17:00
Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.
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Identify and describe the three ways that mutations affect organisms.
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Which is an example of a highly unstable isotope that is often used in fission reactions?
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How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) → co2 (e) + h2o (g)
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Q32. Explain the following observations: (a) NH3 contains no OH- ions, and yet its aqueous solutions...
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