Buhrs atomic model differed from ruthofords because it explained that

2 answers:

6 0

Buhrs atomic model differed from ruthofords because it explained that electrons exist in specified energy levels surrounding the nucleus. This means that, Ruthoford believed that electrons can't do very much. However, Buhrs' model showed that electrons are much more powerful than anyone else believes they can be.

inessss [21]3 years ago

5 0

Answer:

Explanation:

Rutherford's model shows most of an atom mass is in the middle with a positive charge while the negatively charged electrons are outside in a cloud. Bohr improved on his model and explained that the electrons move in certain orbits around the central mass (called the nucleus.)

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How much energy is transferred by five 60 watt bulb in 20 minutes

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(5 bulbs)·(60 watts/bulb)·(20 minutes)·(1 joule per sec/watt)·(60 sec/minute)

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= 360,000 joules
_____________________________________________

Another way:

Five 60-watt bulbs = 300 watts = 0.3 kilowatt

20 minutes = 1/3 hour

(0.3 kilowatt) · (1/3 hour) = 0.1 kilowatt-hour

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