MCRmusic MCRmusic
  • 04-03-2016
  • Geography
contestada

When air pressure decreases, the mercury in a barometer _____.
goes down
goes up
stays the same

Respuesta :

Momin
Momin Momin
  • 04-03-2016
It goes down.

The level of mercury stops at 7.6 cm because that's where the both pressure come in equillibrium, so if atmospheric pressure decreased, less air particles will force the mercury in the container, and thus the mercury will slide down into the container from the barometer.
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jsteen2004
jsteen2004 jsteen2004
  • 10-10-2019

When air pressure decreases, the mercury in a barometer goes down.

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