The hexaaqua complex [Ni(H2O)6]2+ is green, whereas the hexaammonia complex [Ni(NH3)6]2 is violet. Explain.

Which form of relativism states that people rely on their own standards of right and wrong when making a decision?

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j