Sufficient energy upon collision of particles and correct orientation of particles
Explanation:
b is correct. 30.6 g H2O is produced.
BaO, Barium Oxide.
Na2SO4, Sodium Sulfate.
CuO, Copper (II) Oxide.
P2O5, Diphosphorus Pentoxide.
HNO3, Nitric Acid.
CO32-, Molecular Formula.
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Answer: Observation is essential in science. Scientists use observation to collect and record data, which enables them to construct and then test theories
Explanation: