an aerosol can with a volume of 325 ml contains propellant gas at 445 kPa and 12 degrees Celsius. calculate the volume that the gas with occupy if it were left to escape at 101 kPa and 21 degrees Celsius

Solubility would be your answer.

What’s the solution?

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.