Chemistry, 21.07.2021 20:30 harris435942
Cho khí co đi qua m gam hỗn hợp X gồm fe3o4 và cuo nung nóng. sau 1 thời gian thu được 31,2 gam chất rắn Z và 11,2 lít hỗn hợp Y (đktc).biết y có tỉ khối với h2 là 18.Tìm m a, cho toàn bộ lượng Z ở trên bào dung dịch h2so4 đặc nóng dư, sau khi kết thúc các phản ứng thu được 6,72 lít khí so2.Tinh thành phần trăm khối lượng mỗi chất trong X
Answers: 1
Chemistry, 21.06.2019 20:10
What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold
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Chemistry, 22.06.2019 04:00
Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
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The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what
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Chemistry, 22.06.2019 10:20
In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow
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Cho khí co đi qua m gam hỗn hợp X gồm fe3o4 và cuo nung nóng. sau 1 thời gian thu được 31,2 gam chất...
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