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Sagot :
Sure, I can help you with that! According to Boyle's law, the pressure and volume of a gas are inversely proportional at a constant temperature.
To calculate the pressure when the volume changes from 3 m³ to 12 m³, we can use the formula:
p₁ * V₁ = p₂ * V₂
Where p₁ is the initial pressure (105 N/m²), V₁ is the initial volume (3 m³), p₂ is the final pressure (which we need to calculate), and V₂ is the final volume (12 m³).
Plugging in the values:
105 N/m² * 3 m³ = p₂ * 12 m³
Simplifying the equation:
315 N/m² = p₂ * 12 m³
To find p₂, we can rearrange the equation:
p₂ = (315 N/m²) / (12 m³)
Calculating the value:
p₂ = 26.25 N/m²
Therefore, the pressure of the gas when it expands to 12 m³ is 26.25 N/m².
To calculate the pressure when the volume changes from 3 m³ to 12 m³, we can use the formula:
p₁ * V₁ = p₂ * V₂
Where p₁ is the initial pressure (105 N/m²), V₁ is the initial volume (3 m³), p₂ is the final pressure (which we need to calculate), and V₂ is the final volume (12 m³).
Plugging in the values:
105 N/m² * 3 m³ = p₂ * 12 m³
Simplifying the equation:
315 N/m² = p₂ * 12 m³
To find p₂, we can rearrange the equation:
p₂ = (315 N/m²) / (12 m³)
Calculating the value:
p₂ = 26.25 N/m²
Therefore, the pressure of the gas when it expands to 12 m³ is 26.25 N/m².
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