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| Question: | Write its reaction with acid rain Calcium carbonate (CaCO3) + Combustion of carbon Carbon (C) + Why it is important Palladium (Pd) |
| Solution: | Calcium carbonate reacts with acid rain, and carbon undergoes combustion. Palladium plays a crucial role in catalysis. |
| Chemical Equation: | CaCO₃(s) + 2H⁺(aq) → Ca²⁺(aq) + H₂O(l) + CO₂(g) 2C(s) + O₂(g) → 2CO(g) or C(s) + O₂(g) → CO₂(g) |
| Explanation: | Acid rain, often containing sulfuric acid (H₂SO₄) and nitric acid (HNO₃), reacts with calcium carbonate (limestone, marble etc.) 🪨 in a neutralization reaction, producing calcium ions, water, and carbon dioxide gas 💨. The combustion of carbon (C) 燃烧🔥 with oxygen (O₂) produces either carbon monoxide (CO) or carbon dioxide (CO₂), depending on the availability of oxygen. Palladium (Pd) 🧪 is important due to its catalytic properties, frequently used in various chemical reactions as a catalyst to speed them up 🏎️ without being consumed itself. It's crucial in various industrial processes and applications, including automotive catalytic converters 🚗💨. |
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