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11 questions from this quiz
Atoms are rearranged, not created/destroyed
Only the coefficients
CH4+2O2→CO2+2H2OCH_4 + 2O_2 \to CO_2 + 2H_2OCH4+2O2→CO2+2H2O
Count atoms of each element on both sides
Atoms have vanished or appeared
2 molecules
6×10236 \times 10^{23}6×1023
1 mole
Mass is conserved in reactions
'element' and 'measure'
Balance the equation
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