Physical changes occur when matter changes its property but not its chemical nature. *
True
False

What is the name of this hydrocarbon?

Acontrol during an experiment. might change remains constant does not exist does change

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.