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Ch.7 - Periodic Properties of the Elements
Brown - Chemistry: The Central Science 14th Edition
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Tutti i libri di testoBrown 14th EditionCh.7 - Periodic Properties of the ElementsProblema 65a,b,d
Capitolo 7, Problema 65a,b,d

Write balanced equations for the following reactions: (a) boron trichloride with water (b) cobalt (II) oxide with nitric acid (d) carbon dioxide with aqueous barium hydroxide.

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Identify the reactants: Boron trichloride (BCl3) and water (H2O).
Write the unbalanced chemical equation: BCl3 + H2O → ?
Determine the products: Boron trichloride reacts with water to form boric acid (H3BO3) and hydrochloric acid (HCl).
Write the unbalanced equation with products: BCl3 + H2O → H3BO3 + HCl
Balance the equation: Start by balancing boron and chlorine atoms, then hydrogen and oxygen atoms. Adjust coefficients to ensure the same number of each type of atom on both sides of the equation.

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Chemical Reactions

Chemical reactions involve the transformation of reactants into products through the breaking and forming of chemical bonds. Understanding the types of reactions, such as synthesis, decomposition, and displacement, is essential for predicting the products and writing balanced equations.
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Chemical Properties

Balancing Chemical Equations

Balancing chemical equations ensures that the number of atoms for each element is the same on both sides of the equation, adhering to the law of conservation of mass. This process often involves adjusting coefficients in front of compounds to achieve balance without altering the actual compounds involved.
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Balancing Chemical Equations

Acid-Base Reactions

Acid-base reactions involve the transfer of protons (H⁺ ions) between reactants. In the case of boron trichloride (BCl₃) reacting with water, it acts as a Lewis acid, accepting a pair of electrons from water, which can lead to the formation of boric acid and hydrochloric acid, illustrating the interaction between acids and bases.
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Acid-Base Reaction
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Domanda del libro di testo

An element X reacts with oxygen to form XO2 and with chlorine to form XCl4. XO2 is a white solid that melts at high temperatures (above 1000 °C). Under usual conditions, XCl4 is a colorless liquid with a boiling point of 58 °C. (a) XCl4 reacts with water to form XO2 and another product. What is the likely identity of the other product?

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Domanda del libro di testo

An element X reacts with oxygen to form XO2 and with chlorine to form XCl4. XO2 is a white solid that melts at high temperatures (above 1000 °C). Under usual conditions, XCl4 is a colorless liquid with a boiling point of 58 °C. (c) By using a sourcebook such as the CRC Handbook of Chemistry and Physics, try to determine the identity of element X.

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Domanda del libro di testo

Write balanced equations for the following reactions: (a) sulfur dioxide with water (b) lithium oxide in water (c) zinc oxide with dilute hydrochloric acid (d) arsenic trioxide with aqueous potassium hydroxide.

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Domanda del libro di testo

An element X reacts with oxygen to form XO2 and with chlorine to form XCl4. XO2 is a white solid that melts at high temperatures (above 1000 °C). Under usual conditions, XCl4 is a colorless liquid with a boiling point of 58 °C. (b) Do you think that element X is a metal, nonmetal, or metalloid?

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