7-sec-butyl and 6-tert-butyl Which one has priority in the nomenclature?

Since it cant be alphabetical because theyre both butyl, do we take into considerstion the position or the prefix?

Explain.

Concerning the 10.0 ml of 0.50 m nacl to 100 ml of solution: when a solution is diluted, does it change the number of moles dissolved?

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space