What is an example of a reaction that produces gas?

Question

For the reaction example, please do not have dangerous or hazardous products or reactants (i.e. $H_{2} {SO}_{4}, HCl$ $"H"_2"SO"_4, "HCl"$ ). Thank you so much!

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Answer 1 · 2018-01-07T02:02:35

Aerobic respiration in animals!

Respiration in animals is defined by the equation

$C_{6} H_{12} O_{6} + 6 O_{2} \to 6 C O_{2} + 6 H_{2} O + A T P$ $C_6H_12O_6+6O_2->6CO_2+6H_2O+ATP$

The $C O_{2}$ $CO_2$ is gas.