In order to determine, Order of reaction, we have to add all the exponents written in the Chemical form, on the Reactant species.
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Answer:
Total partial pressure, Pt = 821 mm Hg
Partial pressure of Helium, P1 = 105 mm Hg
Partial pressure of Nitrogen, P2 = 312 mm Hg
Partial pressure of Oxygen, P3 = ? mm Hg
According to Dalton's law of Partial pressures,
Pt = P1 + P2 + P3
So, <u>P3 = 404 mm Hg</u>
Answer:
Collecting data
Step-by-step explanation:
During the observation phase of the scientific method, scientists are collecting data.
They can't create graphs or perform calculations, because they are still collecting data, nor can they report results to a colleague, because they have none to report.
