Question

Provide the chemical formula for the substance described in each of the chemical reactions. (a) the...

Provide the chemical formula for the substance described in each of the chemical reactions. (a) the flame extinguishing gas from reaction NaHCO3 (b) the gray solid produced from reaction Cu + AgNO3 (c) the colorless gas produced from reaction Mg + HCL (d) the white precipitate produced from reaction Ca + H2O (e) the blue- white ppt produced from reaction Al(NO3)3 + Na3PO4 (f) the base reacting in reactions HNO3 + NaOH, H2SO4 + NaOH and H3PO4 + NaOH

Homework Answers

Answer #1

(a) the flame extinguishing gas from reaction NaHCO3
NaHCO3 ---> CO2
This CO2 has extinguishing property
Answer: CO2

(b) the gray solid produced from reaction Cu + AgNO3
Cu + 2AgNO3 -----> Cu(NO3)2 (s) + 2Ag
Answer: Cu(NO3)2

(c) the colorless gas produced from reaction Mg + HCL
Mg + HCl ---> MgCl2 + H2 (g)
Answer: H2

(d) the white precipitate produced from reaction Ca + H2O
Ca + H2O --> Ca(OH)2
Answer: Ca(OH)2

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