Classify each of the following as a redox reaction or a non-redox reaction.
zn+cucl2 -> zncl2+cu hcl+naoh -> h2o+nacl 2co+o2 -> 2co2 so3+h2o -> h2so4

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.