Does data from mass spectrometry indicate that modern scientists have made modifications to daltons model

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Asolid that forms and separates from a liquid mixture is called

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.