Hey there,
I would conclude that your correct answer would be "physical". When the nitrogen gas get's very cold, this would be considered a physical change. The are properties that have physical properties.
Hope this helps.
~Jurgen
Answer:
3.333M
Explanation:
Basically,
Molarity=(moles of solute)/(litres of solution)
=(0.5 moles)/(150/1000)L
=3.333M
I'm taking the same quiz. The answer is column