Oxygen is important in the oxidation of glucose because it oxygen is important in the oxidation of glucose because it can be oxidized to form carbon dioxide gives off energy for various activities donates electrons to make water is highly electronegative

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.

Idont really know sorry

Answer(true);

The answer to your q the total mass is 73