: HCl(aq) + NaHCO3(aq) → NaCl(aq) + H2O(l) + CO2(g) what are the physical and chemical changes in this??

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2007-11-23 11:24:53 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

A chemical change can be determined by a gas being produced

this is a chemical reaction
going into or out of solution is a physical change

2007-11-23 12:28:10 · answer #1 · answered by science teacher 7 · 0⤊ 0⤋

Chemical: H+ + OH- ===> H2O

Physical: CO2(g) evolved.

2007-11-23 11:42:46 · answer #2 · answered by steve_geo1 7 · 0⤊ 1⤋