Who used experiments and scientific tools to study matter?

V1t2 = v2t1 is an expression of who’s law

Why is it that 85.48 rounded to two significant figures is 85 and not 86?

0.88 moles of n2o5 (g) was placed in a sealed 1.00 l vessel. calculate the equilibrium concentration of n2o5. no2, and o2 and the equilibrium constant after equilibrium has been reached by 65.0% of the n2o5 decomposing.