Chem Final (Straighterline) [C] Questions and Answers | Latest Version | 2024/2025 | Graded A+
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Course
Chem Finl [C]
Institution
Chem Finl [C]
Chem Final (Straighterline) [C]
Questions and Answers | Latest Version
| 2024/2025 | Graded A+
What is the definition of a limiting reactant in a chemical reaction?
The limiting reactant is the substance that is completely consumed first and thus determines
the amount of product formed....
Chem Final (Straighterline) [C]
Questions and Answers | Latest Version
| 2024/2025 | Graded A+
What is the definition of a limiting reactant in a chemical reaction?
✔✔ The limiting reactant is the substance that is completely consumed first and thus determines
the amount of product formed.
How do you calculate the percent yield of a chemical reaction?
What is the difference between an ionic bond and a covalent bond?
✔✔ An ionic bond is formed by the transfer of electrons between atoms, resulting in positive and
negative ions, while a covalent bond involves the sharing of electrons between atoms.
How do you determine the number of atoms in a sample of an element?
✔✔ Multiply the number of moles of the element by Avogadro’s number (6.022 × 10²³
atoms/mol).
1
, What is the molar mass of sulfuric acid (H₂SO₄)?
✔✔ 98.08 g/mol
What is the role of a solvent in a solution?
✔✔ The solvent is the substance that dissolves the solute to form a solution, typically present in
greater quantity.
How is the concept of dynamic equilibrium explained in chemical reactions?
✔✔ Dynamic equilibrium occurs when the rate of the forward reaction equals the rate of the
reverse reaction, and the concentrations of reactants and products remain constant over time.
What is the Lewis structure for a nitrogen dioxide (NO₂) molecule?
✔✔ The Lewis structure shows one nitrogen atom double-bonded to one oxygen atom and
single-bonded to another oxygen atom, with an unpaired electron on the nitrogen.
What is the purpose of a titration in chemistry?
✔✔ A titration is used to determine the concentration of a solute in a solution by adding a titrant
of known concentration until the reaction reaches the equivalence point.
2
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