Chemical Reactions and Concepts

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Result of the reaction between Potassium Iodide (KI) and Lead(II) Nitrate (Pb(NO₃)₂).

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2 KI + Pb(NO₃)₂ → 2 KNO₃ + PbI₂

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Product of burning Magnesium metal.

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2 Mg + O₂ → 2 MgO

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Result of the reaction between Copper(II) sulfate (CuSO₄) and Sodium Hydroxide (NaOH).

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CuSO₄ + 2 NaOH → Cu(OH)₂ + Na₂SO₄

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Reaction of Nitric Acid (HNO₃) with Sodium Carbonate (Na₂CO₃).

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2 HNO₃ + Na₂CO₃ → 2 NaNO₃ + H₂O + CO₂

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Chlorine gas (Cl₂) reacts with NaOH to produce...

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Cl₂ + 2 NaOH → NaCl + NaClO + H₂O

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Definition of reaction rate.

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Change in concentration of reactants or products per unit time.

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Relationship between time and reaction rate.

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Faster reaction time → higher reaction rate (inversely proportional).

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Formula for molarity.

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M = mol / L of solution.

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Normality is derived from...

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N = M × number of active ions (H⁺ or OH⁻).

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The formula for molality is...

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