A balloon contains 3.50 L of Hydrogen gas at 20 degrees Celsius. What is the volume of the gas at 25 degrees Celsius? Assume the pressure remains constant

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.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )