A 3. 43 g silicone dioxide sample reacted to 2.17 g of solid carbonIn a completely closed system the product of the reaction were silicon carbide and carbon monoxide gas according to the laws of conversation of Nas what is the car behind mass of silicon carbide and current monoxide gas that should be Formed

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.