Question

A gas has a volume of 225 mL at 75°C and 1.07 atm. What is the pressure of this gas if the temperature is lowered to 12°C and the new volume is 171 mL?

Answer 1

$P_2=\frac {225mL×1.07atm×285K}{171mL×348K}$

$P_2=1.153atm$