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27 September, 08:48

Which chemical reaction model is flawed and why?

A) 4C2+S8 - > 4CS2

B) 2Fe+3Cl2 - > 2FeCl3

C) 2Na+Cl2 - > 2NaCl

D) P4O10+6H2O - > 4H3PO4

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Answers (2)
  1. 27 September, 11:30
    0
    A.

    A is the answer because it's the only one where it isn't balances

    It starts with 8 C and 8 S but results with only 4C and 8S it's short of 4C which is why it is wrong
  2. 27 September, 12:42
    0
    Answer: A) 4C2+S8 - > 4CS2

    Explanation:

    The chemical equation

    4C2+S8 - > 4CS2 is flawed because the equation is not balanced i. e the carbon atom at the reactant is not equal to that of the product and for a chemical reaction to be a balanced equation, the number of atoms of elements at the reactants must be equal to that of the product.

    As you can see, there are 8 atoms of carbon (C) at the reactant while we have only 4 carbon atoms at the product therefore making the equation unbalanced.
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