Which of these careers require working in dangerous situations, with hazardous chemicals, and/or taking risks?

prison guard
accountant
explosives engineer
waiter

Where are each of the three particles located within the atom?

If 90.0 grams of ethane reacted with excess chlorine, how many grams of dicarbon hexachloride would form

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.