A sample of a gas at 1.0 atm at 273 K is expanded from 10 L to 15 L and temperature raised to 300 K. The final pressure is atm.

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

i believe the answer is true.

it is stable as it is in group 0 which have full outer shells of electrons