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Answer:
You see the astronaut is traveling 4.76 miles/second horizontally, so if he throws, say, a wrench away from Earth, it only appears to the astronaut to be going straight away. Actually, however, it is going slowly “up” and quickly 4.76 miles/second sideways.
They speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind.
NaCl and H2S will experience dipole-dipole interaction because they are permanently polarized.
