Solution vs Dissociation

Write dissociation equations for the following electrolytes. Show physical states of all species involved!
NaCl

• NaCl  --> Na⁺ + Cl^-
• NaCl_(s)  --> Na⁺_(aq) + Cl^-_(aq)
• NaCl  --> Na + Cl
  
• NaCl_(s) --> Na_(aq) + Cl_(aq)

Tags

NGSS.HS-PS1-7

Write dissociation equations for the following electrolytes. Show physical states of all species involved!

CuCl

• CuCl_(s) --> CuCl_(s)

• CuCl_(s) --> Cu⁺_(aq) + Cl^-_(aq)

• CuCl_(s) --> Cu²⁺_(aq) + 2Cl^-_(aq)

• CuCl_(s) --> Cu²⁺_(aq) + Cl^-_(aq)

Tags

NGSS.HS-PS1-7

Write ionization equations for the following electrolytes. Show physical states of all species involved!

HBr_(aq)

• HBr_(aq) --> H⁺_(aq) + Br^-_(aq)

• HBr_(aq) --> H_2(aq) + Br_2(aq)

• HBr_(aq) --> HBr_(aq)

• HBr_(aq) --> 2H⁺_(aq) + 2Br^-_(aq)

Write dissociation equations for the following electrolytes. Show physical states of all species involved!

Fe₂O₃

• Fe₂O_3(s) --> 2Fe³⁺_(aq) + 3O^2-_(aq)

• Fe₂O_{3(s) -->} Fe₂O_3(s)

Write dissociation equations for the following electrolytes. Show physical states of all species involved!
ZnCl₂

• ZnCl_2(s) --> Zn²⁺_(aq) + Cl^-_(aq)
• ZnCl_2(s) --> Zn⁺_(aq) + 2Cl^-_(aq)
• ZnCl_2(s) --> Zn²⁺_(aq) + 2Cl^-_(aq)
• ZnCl_2(s) --> Zn⁺_(aq) + Cl^-_(aq)

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

Write dissociation equations for the following electrolytes. Show physical states of all species involved!

Ca(NO₃)₂

• Ca(NO₃)_2(s) -->Ca⁺_(aq) + 2NO₃^- _(aq)

• Ca(NO₃)_2(s) -->Ca²⁺_(aq) + 2NO₃^- _(aq)

• Ca(NO₃)_2(s) --> Ca(NO₃)_2(s)

• Ca(NO₃)₂ -->Ca⁺ + 2NO₃^-

What equation represents what octane will do in water?

• C₈H_{18 (l)} --> C₈H_{18 (l)}

• C₈H_{18 (l)} ---> C₈H_{18 (aq)}

• C₈H_{18 (l)} ---> 8C_(l) + 18H_(l)

• C₈H_{18 (l)} ---> 8C_(aq) + 18H_(aq)

What equation represents what nitrous acid will do in water?

• HNO_{2 (aq)} ---> H⁺_(aq) + NO₂^- _(aq)

• HNO_{2 (aq)} ---> H₂⁺_(aq) + NO₂^- _(aq)

• HNO_{2 (aq)} ---> HNO_{2 (aq)}

• HNO_{2 (l)} ---> HNO_{2 (aq)}

Tags

NGSS.HS-PS1-2

What equation represents what ethanol will do in water?

• C₂H₅OH_(l) --> C₂H₅OH_(l)

• C₂H₅OH_{(l) --->} C_2(l) + H_5(l) + OH_(l)

• C₂H₅OH_(l) --> C₂H₅OH_(aq)