5.8L of helium at 24°C and 1.77 atm, and 12L of oxygen at 24°C and 1.45 atm are both transferred to a 7.5L container at 30°C. What is the partial pressure of each gas in the new container?

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.

you need to stop taking that class