How many mol of nitrogen monoxide gas (N2) are in a 1.49 L container at standard temperature and pressure? 8.97 x 1023 mol N2

6.65 x 10–2 mol N2

2.89 x 101 mol N2

2.14 x 10–24 mol N2

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".