Mercury is a liquid metal whose use as a working substance in barometers is very convenient, but why is it preferable to use pascals instead of mm Hg to measure pressure? Answers: a) because the mass of mercury changes with gravity. b) because mercury changes its density with temperature. c) because mercury is solid. d) because mercury has a high boiling point.
Mercury is a liquid metal whose use as a working substance in barometers is very convenient, but why is it preferable to use pascals instead of mm Hg to measure pressure? Answers: a) because the mass of mercury changes with gravity. b) because mercury changes its density with temperature. c) because mercury is solid. d) because mercury has a high boiling point.
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Mercury is a liquid metal whose use as a working substance in barometers is very convenient, but why is it preferable to use pascals instead of mm Hg to measure pressure?
Answers:
a) because the mass of mercury changes with gravity.
b) because mercury changes its density with temperature.
c) because mercury is solid.
d) because mercury has a high boiling point.
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