" Given the molar mass of the atmosphere at the surface of Titan is 28.9g/mol at a surface temperature of 94.5k and at the pressure of 1.53atm. At ideal behavior, calculate density of Titan's atmosphere (no of mol=1)

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.