Chemistry FINAL REVIEW FLASHCARD 2025

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Mole in Chemistry

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A unit used to count particles such as atoms or molecules

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Molar mass of Carbon Dioxide (CO₂)?

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44g/mol

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What is the atomic number of Cobalt?

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27

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1 mole of molecules = 6.022 x 10^23 molecules

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true

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The reaction represented by the equation 2H₂O₂ → 2H₂O + O₂ is a

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decomposition reaction.

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The reaction H₂ + Cl₂ → 2HCl is an example of a

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synthesis reaction.

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Typical products formed when methane undergoes complete combustion in excess oxygen?

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carbon dioxide and water.

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Conversion factor to convert 24.0 grams of Fe to moles of Fe.

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1 mol Fe / 55.845 g Fe

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Which feature of the N₂ molecule results in its high bond strength?

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the presence of a triple covalent bond

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What is the electronegativity value for cesium (Cs)?

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0.7