The compressed gas in a sealed container has a gauge pressure of 185.4 kilopascals. if the air around the container is at standard pressure, what is the absolute pressure inside the container? a. 84.1 kpa b. 143.4 kpa c. 184.4 kpa d. 186.4 kpa e. 286.7 kpa

What is avogadro’s number, and why is it useful

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it