Four methods that can be used to separate mixtures are?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.