Verificación de la Ley de Boyle

Demostración de la relación inversa entre presión y volumen

Gas Laws Intermediate (High School) 40 min ~$15,00

Objetivo

Verificar la ley de Boyle (P₁V₁ = P₂V₂) midiendo el volumen de un gas atrapado a diferentes presiones.

Antecedentes

Boyle's law states that at constant temperature, the pressure and volume of a gas are inversely proportional. This experiment uses a closed syringe or J-tube manometer to measure gas volume at different pressures and confirm the relationship.

Advertencias de seguridad

  • Do not apply excessive pressure to glass apparatus
  • Ensure all connections are airtight

EPP requerido

goggles

Materiales

  • Boyle's law apparatus or large syringe (1)
    60 mL syringe works
  • Pressure gauge (1)
    Or manometer
  • Rubber tubing (30 cm)
  • Graph paper (2 sheets)

Equipamiento

Retort stand and clamp Weights or books for applying pressure Ruler

Procedimiento

1

Set up the Boyle's law apparatus with a known volume of trapped air. Record the initial pressure and volume.

5 min
2

Increase the pressure by adding mercury or pushing the syringe. Record the new pressure and volume.

5 min Do not force the syringe
3

Take at least 8 readings at different pressures, both increasing and decreasing.

15 min
4

Calculate PV for each reading. They should all be approximately equal.

5 min
5

Plot P vs V (hyperbola) and P vs 1/V (straight line through origin) graphs.

8 min

Resultados esperados

The product PV should remain approximately constant (within 5% experimental error). The P vs 1/V graph should be a straight line through the origin, confirming the inverse proportionality.

Limpieza

Return apparatus to storage. Dispose of graph paper drafts.

Detalles

Categoría
Gas Laws
Dificultad
Intermediate (High School)
Duración
40 min
Costo estimado
$15,00
Pasos
5
Materiales
4

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Frequently Asked Questions

What is the objective of Verificación de la Ley de Boyle?
Verificar la ley de Boyle (P₁V₁ = P₂V₂) midiendo el volumen de un gas atrapado a diferentes presiones.
How difficult is Verificación de la Ley de Boyle?
This experiment is rated as Intermediate (High School). It takes approximately 40 minutes to complete.
What safety precautions are needed for Verificación de la Ley de Boyle?
Key safety precautions include: Do not apply excessive pressure to glass apparatus; Ensure all connections are airtight.
What materials are needed for Verificación de la Ley de Boyle?
The main materials required are: Boyle's law apparatus or large syringe, Pressure gauge, Rubber tubing, Graph paper.
What results should I expect from Verificación de la Ley de Boyle?
The product PV should remain approximately constant (within 5% experimental error). The P vs 1/V graph should be a straight line through the origin, confirming the inverse proportionality.