Chemistry (Semester 2) Final Exam
Questions with Complete Solutions
What term describes a notation using chemical symbols to represent the identities and
proportions of substances involved in a chemical process?
Chemical equation
Chemical formula
Reaction diagram
Molecular structure
W...
1 Chemistry (Semester 2) Final Exam Questions with Complete Solutions What term describes a notation using chemical symbols to represent the identities and proportions of substances involved in a chemical process? ✔✔Chemical equation Chemical formula Reaction diagram Molecular structure What is the name for a substance that is present at the beginning of a chemical reaction? ✔✔Reactant Product Catalyst Intermediate According to Gay Lussac's Law, what happens to the pressure of a gas if its temperature rises while its volume remains unchanged? ✔✔The pressure increases 2 The pressure decreases The volume increases The temperature remains constant Why are liquids generally less fluid compared to gases? ✔✔Because their intermolecular forces are stronger Because their molecules are less active Because they have higher temperatures Because their molecules are farther apart Determine the type of reaction shown: 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l). ✔✔Combustion Synth esis Decomposition Single replacement Determine the reaction type for: CO2(g) + CaO(s) → CaCO3(s). ✔✔Synthesis
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