Which of these compounds are used to reduce acidity of soilCalcium Oxide and Ammonium SulfateCalcium Oxide and Calcium hydroxideAmmonium Sulfate salts

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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∘