# cuo + nh3

With solid CuO and supply of heat, ammonia is oxidized to nitrogen gas and CuO is reduced to copper. Cu-based catalysts have drawn much attention in ammonia-selective catalytic reduction (NH 3-SCR) of NO x because of their outstanding low-temperature denitration (de-NO x) potential.Although satisfactory SCR performance was obtained with support from the catalytic activity of CuO x species in recent studies, the effect of the valence distribution of CuO x species on NH 3-SCR … = 17.031 g/mole) and the number of moles of CuO (M.W. 2 mol NH3 X (3 mol CuO / 2 mol NH3) X (79.55 g/mol CuO) = 239 g CuO (You should really just say "240 g CuO") 2 mol NH3 X (1 mol N2 / 2 mol NH3) = 1 mol N2. NH3 is your limiting reactant since "an excess of CuO" is present, so you must find the moles of this (grams divided by molar mass) and use that number. Since you have not specified a temperature or pressure, I will assume STP. Copper oxide (CuO) is a black solid and produced copper has red-brown color. At STP, 1 mol of any gas occupies a volume of 22.4 L. Phương trình hoá học có chứa chất tham gia CuO NH3 và chất sản phẩm Cu H2O N2 kèm trạng thái chất, màu sắc và phân loại phương trình = 79.5 g/mole). Limiting NH3 will give you precipitate of copper (II) hydroxide as this reaction occur: CuSO4(aq) + 2NH3(aq) + 2H2O(l) -> Cu(OH)2(s) + (NH4)2SO4(aq) But in excess of NH3, soluble complex compound will be formed which makes precipitate disappear If 18.1 g of NH 3 are reacted with 90.4 g of CuO, which is the limiting reagent?How many grams of N 2 will be formed?. First we compute the number of moles of NH 3 (M.W. Finding the grams of N2 and CuO from that molarity is just multiplication.

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