Answer:
Explanation:
Chemical reactions involve combining different substances. The chemical reaction produces a new substance with new and different physical and chemical properties. Matter is never destroyed or created in chemical reactions. The particles of one substance are rearranged to form a new substance.
The answer is A.
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Answer : Combustion reactions are those reactions which includes reacting with the oxygen along with the reactant.
Here, the reactant is cooking fat.
So when a long chain hydrocarbon which is cooking fat here reacts with oxygen the products obtained are carbon dioxide and water molecule.
One mole of fat reacts with 70 moles of oxygen and gives 51 moles of carbon dioxide and 44 moles of water molecule.
The height above or below sea level
This is formula to find pH. -log[H^+]
now press calculator -log[4.7×10^11] and you will get 10.33