CHEM 103 Lab Exam 1 questions with complete solutions 2024/2025
CHEM 103 Lab Exam 1 questions with complete solutions 2024/2025 When making observations, what are the things you should describe? - Correct Answer smell, appearance, and state of matter of chemicals before and after the reaction, how long the reaction occurred, and names of chemicals What is the density of a substance? - Correct Answer The amount of matter contained in a specific sized sample of that substance; mass per unit of volume Will the density of a given substance always be the same despite the volume (as long as the are under the same specific set of conditions)? - Correct Answer yes Equation for density - Correct Answer mass divided by volume (g/mL) 1 mL is equal to how many cubic cm? - Correct Answer 1 Density of pure water - Correct Answer 1.00 g/mL Equation for volume - Correct Answer length x width x height What is the displacement method? - Correct Answer the volume of an irregularly shaped object can be measured indirectly by observing the amount of liquid it displaces in a graduated cylinder. What is decantation? - Correct Answer a process of separating a solid residue (precipitate) from a liquid (the supernat
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- Subido en
- 8 de junio de 2024
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- 2
- Escrito en
- 2023/2024
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- Examen
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