Answer:
-159°C will be the T° for 73 mL
Explanation:
When the pressure and moles are constant for two situations on a gas, the volume changes according to the temperature change.
If the temperature rises → volume increases
If the temperature decreases → volume decreases
When we talk about temperature, we must use Absolute T°
T° K = T°C + 273
V₁ / t ₁ = V₂ / T₂
55°C + 273 = 328 K
210 mL / 328 K = 73mL / T₂
T₂ = 73 mL . 328K / 210 mL → 114 K → 114 K - 273 = -159°C
