20. Which of the following is the correct name for N205? O nitrate oxide
O dinitrogen pentoxide
O nitrous oxide
O nitrogen dioxide

Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2  + h2cucl2  + na2s → 2nacl + cuscaco3  → cao + co2          2zns + 3o2  → 2zno + 2so2          ch4  + 2o2  → co2  + 2h2o

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid