NaNO3 (s)+H2SO4(l)NaHSO4(s)+HNO3(g) Delta H= 21.2kj

How much heat must be absorbed by the reaction system to convert 100g of NaSO3 into NaHSso4(s)?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

What overall charge must all compounds have

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∘