A 100-cm3 container has 4 g of ideal gas in it at 250 kPa. If the volume is changed to 50 cm3 and the temperature remains constant, what is its new density?

Answer

400 kg/m3

250 kg/m3

80 kg/m3

50 kg/m3

2 answers

temp and pressure and so forth have NOTHING to do with what happens to the density here.

You STILL have 4 g in the container
before you had
4 g/100 cm^3 or .04 g /cc
now you have
4 g/50 cm^3 or .08 g/cc
80kg/m³