Astar has a spectrum with lines indicating the presence of ionized helium. this star should be classified as a(n)
o
a
g
m

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

Explain that newton first law,second law and third law of motion?

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.