객관식
Which laboratory tool is commonly used to collect the solid product formed during a chemical reaction?
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4. BONUS: Lab Techniques and Procedures
Laboratory Materials
객관식
Which of the following is NOT a piece of equipment used to determine the molar volume of a gas?
A
Spectrophotometer
B
Graduated cylinder
C
Burette
D
Gas syringe
검증된 단계별 안내1
Understand that the molar volume of a gas is typically determined by measuring the volume of a gas sample under known conditions of temperature and pressure.
Identify the common laboratory equipment used to measure gas volumes: a graduated cylinder, a burette, and a gas syringe are all designed to measure volumes of liquids or gases accurately.
Recognize that a graduated cylinder is a container marked with volume graduations, often used to measure the volume of liquids or gases collected over water.
Know that a burette is a precise volumetric instrument used to deliver known volumes of liquid, and can also be adapted to measure gas volumes in some experiments.
Understand that a gas syringe is specifically designed to measure the volume of gases directly by the displacement of a piston, making it suitable for molar volume determination, whereas a spectrophotometer measures light absorbance and is unrelated to volume measurement.
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