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Stels [109]
3 years ago
10

State 3 characteristics of a temporary physical change​

Chemistry
1 answer:
Tcecarenko [31]3 years ago
5 0

Explanation:

Some characteristics of a physical change are:

Temporary in nature.

Does not affect the internal structure of a substance, only the molecules are rearranged.

No new substance is formed.

Most of the physical changes are reversible. We can obtain the substance back even after the change

plzzzz mark me as brainliest

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Write a balanced equation for its combustion reaction.
laila [671]
<h3>Answer:</h3>

C₅H₁₂O(l)+15/2O₂(g)→5CO₂(g)+6H₂O(l)

<h3>Explanation:</h3>

The balanced chemical equation for the combustion of the hydrocarbon in question is;

C₅H₁₂O(l)+15/2O₂(g)→5CO₂(g)+6H₂O(l)

  • A balanced chemical equation is one in which the number of atoms of each element is equal on both sides of the equation.
  • In this case;
  • Reactant side has; 5 carbon atoms, 12 hydrogen atoms and 16 Oxygen atoms
  • Product side has; 5 carbon atoms, 12 hydrogen atoms and 16 Oxygen atoms
  • An equation is balanced by putting appropriate coefficients on reactants and products involved in the reaction.
  • An equation is balanced so as to obey the law of conservation of mass.
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