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<data key="d0">氧化铁</data>
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<data key="d2">氧化铁是一种化学物质,参与与硝酸的化学反应。</data>
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<data key="d0">硝酸</data>
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<data key="d2">硝酸是一种强酸,参与与氧化铁的化学反应。</data>
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<data key="d0">氢气</data>
<data key="d1">category</data>
<data key="d2">氢气是一种可燃气体,参与与氧气的燃烧反应。</data>
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<data key="d0">氧气</data>
<data key="d1">category</data>
<data key="d2">氧气是一种助燃气体,参与与氢气的燃烧反应。</data>
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<data key="d0">反应方程式1</data>
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<data key="d2">氧化铁与硝酸的化学反应方程式1描述两者之间的化学反应过程。</data>
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<data key="d0">反应方程式2</data>
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<data key="d2">氧化铁与硝酸的化学反应方程式2可能表示另一种反应条件或产物。</data>
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<data key="d0">燃烧的方程式</data>
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<data key="d2">氢气与氧气的燃烧反应方程式,描述两者反应生成水的过程。</data>
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<data key="d0">Iron(II) Oxide and Nitric Acid Redox Reaction (equation)</data>
<data key="d1">equation</data>
<data key="d2">A balanced redox reaction where iron(II) oxide reacts with nitric acid under heat to produce iron(III) nitrate, hydrogen gas, and nitrogen dioxide. It exemplifies acid-base and electron-transfer chemistry, with industrial and environmental relevance.</data>
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<data key="d0">FeO</data>
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<data key="d2">Iron(II) oxide, a reactant in the chemical reaction, involved in redox processes.</data>
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<data key="d0">HNO₃</data>
<data key="d1">category</data>
<data key="d2">Nitric acid, a reactant in the chemical reaction, acts as an oxidizing agent.&lt;SEP&gt;Nitric acid, a strong acid reactant that participates in the redox reaction, reducing to nitrogen dioxide.</data>
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<data key="d0">Fe(NO₃)₃</data>
<data key="d1">category</data>
<data key="d2">Iron(III) nitrate, a product of the reaction formed by the oxidation of iron(II) oxide.&lt;SEP&gt;Iron(III) nitrate, a product of the reaction, formed through oxidation of iron.</data>
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<data key="d2">Hydrogen gas, a gaseous product evolved during the reaction.</data>
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<data key="d0">NO₂</data>
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<data key="d2">Nitrogen dioxide gas, a gaseous product and a pollutant, formed through reduction of nitric acid.&lt;SEP&gt;Nitrogen dioxide, a gaseous product and pollutant resulting from the reduction of nitric acid.</data>
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<data key="d2">A chemical reaction involving the transfer of electrons between species, exemplified by the oxidation of Fe²⁺ to Fe³⁺ and reduction of HNO₃ to NO₂.&lt;SEP&gt;A type of chemical reaction involving oxidation and reduction processes.</data>
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<data key="d0">Stoichiometry</data>
<data key="d1">category</data>
<data key="d2">Stoichiometry refers to the quantitative relationship between reactants and products in a chemical reaction, as demonstrated in the balanced equation.&lt;SEP&gt;The quantitative relationship between reactants and products in a balanced chemical equation.&lt;SEP&gt;The quantitative relationship between reactants and products in a chemical reaction.</data>
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<data key="d0">Δ (Heat)</data>
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<data key="d2">Heat applied to drive the chemical reaction, denoted by the delta symbol.&lt;SEP&gt;Thermal energy applied to drive the chemical reaction forward.</data>
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<data key="d2">The process where Fe²⁺ is oxidized to Fe³⁺ in the reaction.</data>
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<node id="Reduction">
<data key="d0">Reduction</data>
<data key="d1">category</data>
<data key="d2">The process where HNO₃ is reduced to NO₂ in the reaction.</data>
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<data key="d0">Gas Evolution</data>
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<data key="d2">The production of gaseous products (H₂ and NO₂) during the reaction.</data>
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<node id="Acid-Metal Oxide Reaction">
<data key="d0">Acid-Metal Oxide Reaction</data>
<data key="d1">category</data>
<data key="d2">A type of reaction where an acid reacts with a metal oxide.</data>
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<node id="Combustion Reaction">
<data key="d0">Combustion Reaction</data>
<data key="d1">category</data>
<data key="d2">A contrasting reaction type mentioned in the context (H₂ + O₂).&lt;SEP&gt;The combustion reaction is a chemical process where hydrogen and oxygen react to form water, releasing energy.</data>
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<node id="Laboratory Synthesis">
<data key="d0">Laboratory Synthesis</data>
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<data key="d2">Practical application of the reaction in synthesizing iron(III) compounds.</data>
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<node id="Industrial Processes">
<data key="d0">Industrial Processes</data>
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<data key="d2">Use of the reaction in industrial settings involving nitric acid and metal oxides.</data>
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<node id="Environmental Chemistry">
<data key="d0">Environmental Chemistry</data>
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<data key="d2">Relevance of NO₂ as a pollutant in environmental studies.</data>
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<node id="Inorganic Chemistry">
<data key="d0">Inorganic Chemistry</data>
<data key="d1">category</data>
<data key="d2">The branch of chemistry dealing with inorganic compounds, including reactions like the one described.</data>
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<node id="Iron(II) Oxide (FeO)">
<data key="d0">Iron(II) Oxide (FeO)</data>
<data key="d1">category</data>
<data key="d2">A reactant in the chemical reaction, composed of iron and oxygen in a +2 oxidation state.</data>
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<node id="Nitric Acid (HNO₃)">
<data key="d0">Nitric Acid (HNO₃)</data>
<data key="d1">category</data>
<data key="d2">A strong oxidizing acid that reacts with FeO, producing nitrogen dioxide and iron(III) nitrate.</data>
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<node id="Iron(III) Nitrate (Fe(NO₃)₃)">
<data key="d0">Iron(III) Nitrate (Fe(NO₃)₃)</data>
<data key="d1">category</data>
<data key="d2">A product formed by the oxidation of iron(II) oxide in the presence of nitric acid.</data>
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<node id="Hydrogen Gas (H₂)">
<data key="d0">Hydrogen Gas (H₂)</data>
<data key="d1">category</data>
<data key="d2">A gaseous byproduct released during the reaction, indicated by the upward arrow (↑).&lt;SEP&gt;Hydrogen gas (H₂) is a diatomic molecule and a reactant in the combustion reaction, forming water when combined with oxygen.</data>
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<node id="Nitrogen Dioxide (NO₂)">
<data key="d0">Nitrogen Dioxide (NO₂)</data>
<data key="d1">category</data>
<data key="d2">A toxic gas produced from the reduction of nitric acid, contributing to environmental pollution.</data>
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<node id="Environmental Pollution">
<data key="d0">Environmental Pollution</data>
<data key="d1">category</data>
<data key="d2">A broader implication of NO₂ emissions from chemical reactions like this one.</data>
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<node id="Industrial Synthesis">
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<data key="d2">Practical applications of this reaction in producing iron(III) nitrate for industrial use.</data>
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<node id="Laboratory Demonstration">
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<data key="d2">Educational use of this reaction to illustrate redox principles in chemistry labs.</data>
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<node id="Hydrogen Combustion Equation (equation)">
<data key="d0">Hydrogen Combustion Equation (equation)</data>
<data key="d1">equation</data>
<data key="d2">The equation represents the combustion of hydrogen and oxygen to form water, illustrating stoichiometric balance and energy release. It is foundational in chemistry and energy applications.</data>
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<node id="Oxygen Gas (O₂)">
<data key="d0">Oxygen Gas (O₂)</data>
<data key="d1">category</data>
<data key="d2">Oxygen gas (O₂) is a diatomic molecule and a reactant in the combustion reaction, combining with hydrogen to form water.</data>
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<node id="Water (H₂O)">
<data key="d0">Water (H₂O)</data>
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<data key="d2">Water (H₂O) is the product of the combustion reaction between hydrogen and oxygen, representing a clean energy output.</data>
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<node id="Redox Chemistry">
<data key="d0">Redox Chemistry</data>
<data key="d1">category</data>
<data key="d2">Redox chemistry involves oxidation and reduction reactions, exemplified by the combustion of hydrogen and oxygen.</data>
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<node id="Hydrogen Fuel Cells">
<data key="d0">Hydrogen Fuel Cells</data>
<data key="d1">organization</data>
<data key="d2">Hydrogen fuel cells utilize the combustion reaction of hydrogen and oxygen to produce clean energy, with water as the only byproduct.</data>
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<node id="Law of Conservation of Mass">
<data key="d0">Law of Conservation of Mass</data>
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<data key="d2">A fundamental principle in chemistry stating that matter cannot be created or destroyed in a chemical reaction, only rearranged.</data>
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<node id="Thermodynamics">
<data key="d0">Thermodynamics</data>
<data key="d1">category</data>
<data key="d2">The branch of physics dealing with heat and energy transfer, particularly relevant in exothermic reactions like hydrogen combustion.</data>
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<data key="d2">A chemical reaction that releases energy, exemplified by the combustion of hydrogen and oxygen.</data>
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<node id="Rocket Propulsion">
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<data key="d2">An application of the hydrogen-oxygen combustion reaction, used to generate thrust in spacecraft.</data>
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<node id="Clean Energy Systems">
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<data key="d2">Technologies utilizing chemical reactions like hydrogen combustion to produce energy with minimal environmental impact.</data>
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<data key="d0">Iron Oxide</data>
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<data key="d2">A compound mentioned as part of other chemical reactions in the broader context of the discussion.</data>
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<data key="d0">Nitric Acid</data>
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