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April 17, 2014

Homework Help: Chemistry- HW Check

Posted by Maegan G on Tuesday, November 15, 2011 at 11:27am.

I have seven homework problems. I did them but I wasn't sure if I did them correctly. Did I do them correct? Thank you!


Give the reaction that describes how the hydrazine, N2H4(aq), / hydrazinium ion, N2H51+(aq), buffer reacts with a strong base such as sodium hydroxide.

N2H4(aq) + OH^1-(aq) --> N2H51+(aq) + H2O(l)

Give the reaction that describes how the sodium bicarbonate / sodium carbonate buffer reacts with a strong base such as sodium hydroxide

H2CO3(aq) + OH^1-(aq) --> HCO3^1-(aq) + H2O(l)

Give the reaction that describes how the sodium hydrogen phosphate / sodium phosphate buffer reacts with a strong base such as sodium hydroxide

HPO4^2-(aq) + OH^1-(aq) --> PO4^3-(aq) + H2O(l)

Give the reaction that describes how the trimethylamine, (CH3)3N(aq) / trimethylammonium ion, (CH3)3NH1+(aq), buffer reacts with a strong acid such as hydrochloric acid

(CH3)3NH1+(aq) + H3O^1+(aq) --> (CH3)3N(aq) + H2O(l)

Give the reaction that describes how the ethylamine, C2H5NH2(aq), / ethylammonium ion, C2H5NH31+(aq), buffer reacts with a strong acid such as hydrochloric acid

C2H5NH31+(aq) + H3O^1+(aq) --> C2H5NH2(aq) + H2O(l)

Give the reaction that describes how the hydrofluoric acid / sodium fluoride buffer reacts with a strong acid such as hydrochloric acid.

F^1-(aq) + H3O^1+(aq) --> HF(aq) + H2O(l)

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