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 Study of Compounds - Ammonia and Nitric Acid 30 Flashcards |
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What is the molecular formula of nitric acid? |
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 HNO₃ |
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If the specific gravity of nitric acid is 1.54, what is its weight in grams for 1 liter? |
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 1540 grams |
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Complete the reaction: 4HNO₃ → ___ + 2H₂O + O₂. |
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 4NO₂ |
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True or False: Nitric acid is a colorless, stable compound that does not decompose at room temperature. |
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 False; nitric acid is unstable and decomposes even at room temperature. |
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Nitric acid reacts with carbonates to produce salt, water, and ___ gas. |
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 Carbon dioxide |
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What is the boiling point of pure nitric acid? |
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 86°C |
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In the reaction with Na₂CO₃, if you start with 100 grams of Na₂CO₃, how many grams of NaNO₃ will be produced? |
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 Approximately 158 grams of NaNO₃ will be produced. |
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Complete the oxidation reaction: C + 4HNO₃ → 2H₂O + ___ + CO₂. |
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 4NO₂ |
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What is the freezing point of nitric acid? |
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 −42°C |
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If 3Cu reacts with 8HNO₃, how many moles of Cu(NO₃)₂ are produced? |
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 1 mole of Cu(NO₃)₂ is produced. |
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Fill in the blank: Nitric acid is a very strong monobasic acid that ionizes almost completely in aqueous solution, represented as HNO₃ ⇌ ___ + NO₃⁻. |
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 H⁺ |
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What is the role of nitric acid in the preparation of fertilizers like Ca(NO₃)₂? |
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 It acts as a reactant to provide nitrate ions. |
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The reaction of Zn with concentrated nitric acid produces Zn(NO₃)₂ and liberates how many moles of NO₂? |
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 2 moles of NO₂ are liberated. |
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True or False: Aqua regia is a mixture of nitric acid and hydrochloric acid in a 1:3 ratio. |
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 True |
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What type of acid-base reaction occurs when nitric acid neutralizes NaOH? |
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 It forms NaNO₃ and water. |
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