OBJECTIVE LIFE SCIENCE
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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4
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6
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8
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1
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Detailed explanation-1: -There are now two oxygen atoms on each side of the equation. This point is so important that we should repeat it. You cannot change the formula of a chemical substance to balance a chemical reaction! You must use the proper chemical formula of the substance.
Detailed explanation-2: -Answer. 6 oxygen atoms on the left hand side of the equation; and, equally clearly, there are 6 oxygen atoms on the right hand side of the equation, as indeed there must be in a stoichiometrically balanced equation.
Detailed explanation-3: -There are two oxygen atoms in the reactants and two atoms of oxygen in the product. The law of conservation of matter has been satisfied.
Detailed explanation-4: -3O2 contains six atoms of oxygen. An element is made up of many kinds of atoms. 3O(2) contains six atoms of oxygen.