If I heat an enclosed volume of gas so its pressure doubles, what happens to the average speed of molecules in the gas? Group of answer choices It more than doubles It increases by between 50% and 100% It doubles It increases by exactly 50% It stays the same It decreases It increases by less than 50%

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.