Chemistry, 23.11.2019 07:31 rachelsweeney10
When communicating with apollo astronauts, there is approximately a 1.3 second delay in one-way communication. this is because
a)
space is a vacuum.
b)
the moon has virtually no atmosphere.
c)
radio waves travel at a speed of 186,000 miles/s.
d)
of the scattering of electromagnetic waves in space.
Answers: 1
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Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.
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When communicating with apollo astronauts, there is approximately a 1.3 second delay in one-way comm...
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