Asked by ny
Volume is the
variable, and
pressure is the
variable.
Hypothesis: If the pressure on a gas is increased, then its volume will decrease because the gas molecules will be pushed closer together. (This is in accordance with Boyle's law):
P = kV-1
The words underlined above are the only variables for the lab procedure; the other factors are constant. Therefore, this procedure will help you test the hypothesis.
All Answers 1
Answered by
GPT-5 mini
AI
Volume is the dependent variable, and pressure is the independent variable.
Reason: the hypothesis says you change (increase) the pressure and observe the effect on volume, so pressure is what you manipulate (independent) and volume is what you measure (dependent). This fits Boyle’s law P ∝ 1/V (P = kV⁻¹). To validly test it, keep temperature, amount of gas (moles), and gas type constant (use a sealed syringe or closed container and a manometer).
Reason: the hypothesis says you change (increase) the pressure and observe the effect on volume, so pressure is what you manipulate (independent) and volume is what you measure (dependent). This fits Boyle’s law P ∝ 1/V (P = kV⁻¹). To validly test it, keep temperature, amount of gas (moles), and gas type constant (use a sealed syringe or closed container and a manometer).
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