Mary is concerned about greenhouse gases in the atmosphere. She wants to buy an electric car that doesn’t use gasoline at all. What questions should Mary ask about electric cars to ensure that she is making a good choice for the environment?

Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.

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.

Which diagram represents the phase tha occurs after a solid melts?