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Mandy Johnston ∙
two substances combine to form a new substance
An equation showing all dissolved compounds as ions
Which of the following (what)?
H2+Br2-->2HBr
Atoms in one compound switch places with atoms in another compound.
The products
It will not dissolve in water.
Answer this question… Which of the following is the best definition of a physical change?
heat
In this reaction a change of bonds of the reactants occur: the general form is:AB + CD = AD + BC
CaCO3 -> CaO + CO2
2NaCl - 2Na + Cl2. apex
Phase change - apex