What the answer and the work to all these

In saturated organic compounds, all the bonds between carbon atoms are 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.

How many moles are in 123.0 grams of kclo4?