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Charles's Law VS. Boyle's Law

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Kaitlynn Hubbard

on 2 May 2015

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Transcript of Charles's Law VS. Boyle's Law

What are the differences and similarities between Charles's and Boyles Laws?
Robert Boyle
The Life of Robert Boyle
The Differences and Similarities of Charles's and Boyle's Law
Jacques Charles
Early Life
He was born in Ireland on January 25, 1627.
His mother died when he was just 8 years old.
He was the seventh son out of fourteen children.
He could speak multiple different languages including: Latin, Greek, and French.
His father hired him a private tutor so he could expand more on the languages he had been learning.
Middle Years
His father had died in about mid-1643.
He then went around looking at collages. When he finally chose one he studied in the field of science.
He was excepted into the collage of Oxford.
In collage he designed experiments in the air.
We will go more into detail later in what he learned from those experiments.
Later Years
In 1689, he begins to break down, and most of his body fails.
He dies on December 31 of the year 1691.
He died from paralysis. (Paralysis is loss of muscle function for one or more muscles)
Both relate volume to increasing and decreasing levels of different things.
They both described the behavior of gases by focusing on only two factors that vary at any time.
Relates volume and pressure
Boyle created and performed his experiments in the 1600s.
Relates temperature and volume.
Charles created and performed his experiments in the late 1700s.
While creating a new sport (hot air balloon racing) Charles created his law as well.
Boyle's Law
Charles's Law
The Life of Jacques Charles
Early Years
Charles was born in Beaugency-sur-Loire on November 12, 1746. He married Julie Hérettes (1784–1817), a creole woman 37 years younger than himself.
He was a French inventor, scientist, mathematician, and balloonist.
Middle Years
He thought that he could make a balloon fly by using the properties of gas.
He then later tried out that experiment, and it ended up working! Thus creating "Charles's Law," around 1787.
You will learn more about that experiment later.
Later Years
He died on April 7, 1823.
He ended up live past his wife, who was 37 years younger that him.
He died of old age in Paris.
What Charles's Law is:
Charles found that when the temperature of a gas is increased at a constant pressure, the volume increases. When the temperature of a gas is decreased at a constant pressure, its volume decreases.
More About the Law
Boyle's law applies to the research of high-altitude balloons. High altitude balloons are large balloons that released into the atmosphere with cameras or GPS in them. The researchers fill the balloons with only a fraction of helium of what the balloon can hold. And as the balloons rise through the atmosphere, the air pressure around it decreases and the balloon begins to expand. If they would have filled the balloon to its maximum capacity, then the balloon would have popped before it got very high. His law also applies to a bicycle pump, as you push down, the volume of the air gets smaller and the pressure increases, forcing air into the tire.
What Boyle's Law is:
Boyle found that when the pressure of a gas at constant temperature is increased, the volume of the gas decreases. When the pressure is decreased, the volume increases.
More About the Law
Think about a hot air balloon. Heating causes the air inside the balloon to expand. Some of the warm air leaves through the bottom opening of the balloon, keeping the pressure constant. But now, the air inside is less dense than the air outside the balloon, so the balloon begins to rise. If the pilot allows the air in the balloon to cool, the reverse happens. The air in the balloon contracts, and more air enters through the opening. The density of the air inside is increasing, and the balloon starts downward.

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