jones03riley
29.03.2021 •
Chemistry
0.64 g of copper when heated in air forms 0.80 g of copper oxide.
What is the simplest formula of copper oxide?
(Ar: O= 16; Cu= 64)
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Ответ:
o The new chemical equation is N2 +H2 →2 NH3 Reactants Products Nitrogen 2 2 Hydrogen 2 6 Since NH3 is multiplied by a coefficient of 2 there are now 2 nitrogens and 6 hydrogens. The 6 hydrogens come from the 2 multiplied by the subscript of 3.