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

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

What is true for a substance that releases energy

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons