When researchers cool a gas, which of the following has occurred? select all that apply.

velocity and spacing of particles is reduced

volume of substance decreases relative to temperature decrease

cooling stops once absolute zero (-273k) is reached

mass of the gas is reduced linearly as pressure decreases

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.

може ли да зареждате повече информация, моля