Two chromatograms showing the same pattern would probably
be made by the SAME DYE
be made by DIFFERENT DYES
just be a COINCIDENCE
show NOTHING USEFUL

Where are chemicals found at work? a. only in cleaning products b. only in carpets and paint c. in every area of work d. only in food preparation submit

Compare and contrast physical changes with chemical changes.

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.