c. If you need 84 grams of N, to fill an airbag, how many grams of NaN3: (sodium azide) do you need to start with?

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility