Identify the type of reaction for each of the following as combination, decomposition, single replacement, double replacement, or combustion: (7.5)d. Zinc replaces copper in Cu(NO₃)₂.

Ibuprofen is used as an anti-inflammatory agent used to deal with pain and bring down fevers. If it has a molecular formula of C₁₃H₁₈O₂, determine the balanced combustion reaction when it is subjected to high temperatures.

Indicate the type of chemical reaction taking place from the following equation: