Homework Help: Chemistry Pleasee Help

Posted by George K. on Tuesday, October 5, 2010 at 10:40pm.

Can you please help me with these problems, I followed the textbook but i am still not getting the write balanced equations.I am not sure if it is the phases or my balancing, or if i got the right answers and not submitting it correctly Please I really need help :(

Write balanced net ionic equation for
K_2SO_4(aq)+CaI_2(aq)_>Ca SO_4 (s)+KI(aq)

Write balanced complete ionic equation and complete net for NH_4Cl(aq)+NaOH(aq)-->H_2O(l)+NH_3(g)+NaCl(aq)

Write a complete ionic &complete net, AgNO_2(aq)+NaCl(aq)-->AgCl(s)+NaNO_2(aq)

Write a complete ionic &complete net ,
HC_2H_3O_2(aq)+K_2CO_3(aq)-->H_2O(l)+CO_2(g)+KC_2H_3O_2(aq)

Chemistry Pleasee Help - DrBob222, Tuesday, October 5, 2010 at 11:08pm
For the first one, I wrote one last night for the complete (not net) equation. I wonder if the difference was real or someone made a typo. At any rate, for the net equation, it is,
Ca^+2(aq) + SO4^-2(aq) ==> CaSO4(s)

I don't understand what a "complete net equation" is. Equations can be complete molecular, complete ionic or net ionic. A net ionic MUST BE a complete net ionic. Anyway,
NH_4Cl(aq)+NaOH(aq)-->H_2O(l)+NH_3(g)+NaCl(aq)

NH4^+(aq) + Cl^-(aq) + Na^+(aq) + OH^-(aq) ==> H2O(l) + NH3(g) + Na^+(aq) + Cl^-(aq) is the complete ionic equation.

NH4^+(aq) + OH^-(aq) ==> H2O(l) + NH3(g) is the net ionic equation.
By the way, you can save yourself a lot of time by dropping the underscore.
Chemistry Pleasee Help - George K., Tuesday, October 5, 2010 at 11:29pm
Thank You Soo Much, I am stil reeiving an error for the first one. Could you help me on the last 2?

Write a complete ionic & net ionic, AgNO_2(aq)+NaCl(aq)-->AgCl(s)+NaNO_2(aq)

Write a complete ionic &net ionic ,
HC_2H_3O_2(aq)+K_2CO_3(aq)-->H_2O(l)+CO_2(g)+KC_2H_3O_2(aq)
Chemistry Pleasee Help - DrBob222, Tuesday, October 5, 2010 at 11:39pm
Write a complete ionic &complete net,
I assume AgNO2 is a typo meant to be AgNO3 and NaNO2 is meant to be NaNO3
AgNO_2(aq)+NaCl(aq)-->AgCl(s)+NaNO_2(aq)

Ag^+(aq) + NO3^-(aq) + Na^+(aq) + Cl^-(aq) ==>AgCl(s) + Na^+(aq) + NO3^-(aq)

net ionic equation is
Ag^+(aq) + Cl^-(aq) ==> AgCl(s)
Chemistry Pleasee Help - Jerry, Tuesday, October 5, 2010 at 11:50pm
Thank you soo much. Was the last question not legible?

I dont mean to be a pest Could you help me with this last one please. I worked it out i just want to see if i am correct. I really appreicate you help :(

Write a complete ionic &net ionic ,
HC_2H_3O_2(aq)+K_2CO_3(aq)-->H_2O(l)+CO_2(g)+KC_2H_3O_2(aq)
Chemistry Pleasee Help - olorunfunmi snr grammar school, Friday, July 29, 2011 at 8:43am
What is the difference between matter and non matter?

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