28. in terms of energy, how would you classify the following chemical reaction: 2cu + 02 → 2cuo + 315 kj(1 point) endothermic and exothermicneither endothermic nor exothermic

Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative