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Sagot :
Respuesta:
2.17 × 10⁻³ g/cm³
Explicación:
Paso 1: Información provista
- Volumen inicial (V₁): 969 cm³
- Temperatura inicial (T₁): 64 °C
- Presión inicial (P₁): 96.4 kPa
- Volumen en TPE (V₂): ?
- Presión estandar (P₂): 100 kPa
- Temperatura estandar (T₂): 273.15 K
Paso 2: Convertir 64 °C a Kelvin
Usaremos la siguiente fórmula.
K = °C + 273.15 = 64 °C + 273.15 = 337 K
Paso 3: Calcular V₂
Usaremos la ecuación combinada de los gases ideales.
P₁ × V₁ / T₁ = P₂ × V₂ / T₂
V₂ = P₁ × V₁ × T₂ / T₁ × P₂
V₂ = 96.4 kPa × 969 cm³ × 273.15 K / 337 K × 100 kPa = 757 cm³
Paso 4: Calcular la densidad del gas a TPE
A TPE, 1.64 g del gas ocupan 757 cm³.
ρ = 1.64 g/757 cm³ = 2.17 × 10⁻³ g/cm³
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