Multiple Choice
Which generalization can be made about the relationship between the temperature and volume of a gas, assuming pressure and amount of gas are constant?
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7. Gases
Gas Stoichiometry
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Which apparatus allows a scientist to measure the volume of gas released during a reaction?
A
Spectrophotometer
B
Gas syringe
C
Burette
D
Thermometer
Verified step by step guidance1
Understand the purpose of the question: it asks which apparatus is used to measure the volume of gas released during a chemical reaction.
Recall the function of each listed apparatus: a spectrophotometer measures the intensity of light absorbed by a solution, a burette measures the volume of liquid dispensed, and a thermometer measures temperature.
Identify that measuring the volume of gas requires a device that can directly collect and quantify gas volume, which is not the function of the spectrophotometer, burette, or thermometer.
Recognize that a gas syringe is specifically designed to collect and measure the volume of gas produced in a reaction by allowing the gas to push a piston, which can be read on a graduated scale.
Conclude that the gas syringe is the correct apparatus for measuring the volume of gas released during a reaction.
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