The process of turns water vapor to liquid.

What’s the percent by mass of carbon in c10h14n2

Can someone me with 6 to 10 plz this is for masteries test.

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.