A pile of Mgo dust is known to contain 2.082 mol. How many molecules are there?

How many atoms are there in 5.70 mol of mg

Define a is a tiny pavket of energy

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.