the gas pressure in an oxygen tank is 3.90atm at a temperature of 298k . if the pressure decreases to 3.20atm what is the pressure of the gas in k

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

If an atom has 12 protons and 13 neutrons

How many moles are in 1.26*10^24 particles in significant figures