151johnsontsammy
151johnsontsammy 151johnsontsammy
  • 25-09-2022
  • Chemistry
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4. Why do barometers use the poisonous liquid mercury? Let's suppose we wanted to make a barometer containing water. How high would the column need to be to hold a column of water supported by atmospheric pressure? Hint: use the pressure of the atmosphere as 14.7lbs/in 2.​

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