1. Is the following reaction a redox reaction? If so, please use oxidation numbers to verify what is oxidized and what is reduced.

Zn(s) + 2 NO, (aq) + 4 H(aq) → Zn²+(aq) + 2 NO2(g) + 2 H2O(1)

Evaluate this exponential expression,8. (2 + 3)2 – 42

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph