A gas is compressed at a constant pressure of 0.800 atm from 9.00 L to 3.00 L. In the process, 400 J of energy leaves the gas by heat. Required:
a. What is the work done on the gas?
b. What is the change in its internal energy?

Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented.b)scientists had not completely finalized their results, which took 30 years.c)cigarettes were cheaply available and media channels were very inefficient.d)cigarette manufacturers were trying hard to bring an alternative into the market

What is created when solids,liquids,an gases mix with one another

What practical value did astronomy offer to ancient civilizations?