Acetic acid has a melting point of 16.6°C and a boiling boing of 117.9°C. Sketch a heating curve showi the phase changes of acetic acid. Clearly label all 7 parts like we did in our notes.
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What is the angular momentum of the bar about the axle?

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?