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Chemistry (Physical Changes (1-2) (Size (Screenshot 2018-12-13 at 8.11.56…
Chemistry
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Closed System (1.5)
(The balloon is stopping the air from escaping after the experiment, so this is a closed system.)
Demonstrates that the number of atoms in the reactants is the same number as the number of atoms in the products (aka a Balanced Equation.)
A Balanced Equation uses subscripts and coefficients to demonstrate that the number of atoms that goes in is the same number as the atoms that go out.
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