Homework Help: chemistry

Posted by ashley on Tuesday, November 29, 2011 at 1:38pm.

Which one of the following is a combustion reaction?

A. CH4 + 2 O2 CO2 + 2 H2O
B. HBr + NaOH NaBr + H2O
C. Xe (aq) + H2O(l) HXe(aq) + OH- (aq)
D. NaCl (aq) + AgNO3 (aq) NaNO3 (aq) + AgCl (s)

chemistry - Steve, Tuesday, November 29, 2011 at 2:38pm
I'd have to go with A. Burn methane to get carbon dioxide and water.

C and D are aqueous, so there's no chance there.

hydrogen bromide and lye? Don't think so! ...

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