Chemistry, 03.10.2021 14:00 walkereddie580
trong các chất sau : iron (Fe), copper oxide (CuO), iron (III) hidrooxide (Fe(OH)3), barium chlorride (BaCl2). Chất nào tắc dụng được với Sulfurric acid (H2SO4) tạo: a) Khí nhẹ nhất trong các chất khí, b) Kết tủa màu trắng, c) Dung dịch màu vàng, d) Dung dịch màu xanh lam. Viết phương trình phản ứng minh họa.
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Write a balanced equation showing the formation of copper (ii) nitrite from its elements
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In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)
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Use the periodic table to classify each of the elements below. cadmium (cd): vanadium (v): xenon (xe): iodine (i): potassium (k): strontium (sr):
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Which statement describes the arrhenius interpretation of acids and bases?
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trong các chất sau : iron (Fe), copper oxide (CuO), iron (III) hidrooxide (Fe(OH)3), barium chlorrid...
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