Whats the Answer please explain

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∘

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

When the mercury level in a barometer decreases that atmospheric pressure has