What is the density of hydrogen sulfide (H2S)
at 1 atm and 259 K?
Answer in units of g/L.

c.

explanation:

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.

catya your not at all which answer i've seen you do this on another question!

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter