What volume would 2.25 moles of helium gas have at 398 K and 1.950 atm?

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

What is the polyatamic ion of borate

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.