These problems are similar to Part B, but you must first translate the sentence that describes a chemical reaction into a balanced chemical equation. Then, using your electrolyte strength table and the solubility rules, turn each balanced chemical equation into a total ionic equation via the dissociation of all strong electrolytes. Finally, cancel out all spectator ions in your total ionic equation to determine your net ionic equation. You do not need to include state symbols, but you will need to properly show proper coefficients for all atoms, molecules, and ions, and you must show the proper charges on all dissociated ions. Solutions of silver nitrate and lithium bromide react to form a white precipitate and a soluble salt. uation: quation: uation:

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A:

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A:

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A:

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A:

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A: In this question we have to convert the unit of speed.

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A: 76.00 pound of mercury costs $143.50 Therefore, 1 pound of mercury costs 143.50 / 76 = $1.89

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A:

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A:

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A:

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A: To define: A substance.

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.