All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: A mercury barometer.What happens to h the height of the mercury column, if the atmospheric pressure increases?

Solution: A mercury barometer.What happens to h the height of the mercury column, if the atmospheric pressure increases?

Problem

A diagram shows a glass tube filled with mercury and inserted into a dish of mercury. Pressure is exerted on the surface of the mercury by the atmosphere and by the mercury in the tube. The mercury in the tube rises to height h; above the mercury in the tube is vacuum.
A mercury barometer.

What happens to h the height of the mercury column, if the atmospheric pressure increases?

Solution

We have to determine what would happen to the height of mercury column if the atmospheric pressure is increased.


A barometer is a device that is used to measure air pressure.

It consists of a tube filled with mercury and placed inverted into a tub or mercury. The pressure exerted on the surface of the mercury supports the mercury column to a particular height.

The pressure is related to the height of the mercury column by this formula:

P = ρgh

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