i need help with some chem homework ?
A sample of helium occupies 135 mL at 22.5°C. The pressure is 165 mm Hg. What is the pressure of the gas
sample when it is placed in a 252 mL container at a temperature of 0.0°C?
A sample of helium occupies 135 mL at 22.5°C. The pressure is 165 mm Hg. What is the pressure of the gas
sample when it is placed in a 252 mL container at a temperature of 0.0°C?
Dr W
Same troll.. Same troll questions. New troll name... New troll day.
Jim
PV=nRT <<<memorize!!
T is temp in K (C+273.15)
Since you have a before and after with the same n &R simplifies to
PV/T initial = PV/T final
Now sub in your numbers and solve, round answer to 3 sigfigs