Simple, really. You can complicate it hugely when you start dealing with a gas that changes states with temperature, like water for steam. Then you ge... into steam tables, where you start dealing with the Rankine cycle. When you flip that light switch on, the light comes on because of what we know about this stuff.”His mouth opened slightly. “And internal combustion engines?”I smiled. I’ve got ‘im. “Chemistry is still there in combustion byproducts produced by the interaction of hydrocarbons. She was bored. Thank goodness there was only one more day remaining. She was beginning to miss her job and the people she worked with everyday. Less than an hour later, she was walking down the busy street that ran past her hotel. It was dinner time and she was hungry and tired after a long day of listening to the seemingly endless line-up of uninspiring speakers. As she strode purposefully along the sidewalk, she heard a perky voice behind her, ‘Wait up Carolyn! What’s the rush?’ She was. More

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