National University
CAHINORC - INORGANIC AND ORGANIC CHEMISTRY [LEC]
NUR255
Name: Zardy Gabriel N. Andaya
CORNELL NOTES 5.1
LEARNING OBJECTIVES Notes
Explain the different gas laws.
PARTIAL PRESSURE
Partial Pressure
What is Partial Pressure? – The pressure that a single gas
in a mixture would exert if it
occupied the entire volume by
itself at the same
temperature.
Partial pressure is based on
What is the formula for Partial Dalton’s Law of Partial Pressures,
Pressure? which states:
������ = �1+ �2 + �3 + . . .
Air is a mixture of gases, so each
Does the atmosphere has gas contributes a partial pressure
partial pressure? according to its percentage in the
mixture. Air at sea level, the total
atmospheric pressure is about 1
atm (760 mmHg).
At higher altitudes, total pressure
What happens to the total drops, so oxygen’s partial pressure
pressure at higher altitudes? also decreases — this is why it’s
harder to breathe.
REFLECTION
Partial Pressure is the pressure that a single gas exerts if it occupies an
entire volume only by itself.
The formula for Total Pressure is ������ = �1+ �2+ �3 + . . . ��.
, Even though oxygen is only ~21%
What is the partial pressure of of air, its partial pressure at sea
oxygen in sea level? level is about 160 mmHg, which is
crucial for breathing.
GAS LAWS
Gas Laws
What are Gas Laws? – A set of scientific laws that
describe how gases behave in
relation to:
What units does Gas Laws have • Pressure (P)
involve in? • Volume (V)
• Temperature (T)
• Amount (n)
These laws help explain and
What does Gas Laws help predict how a gas will respond
explain or predict? when one or more of these
conditions change.
ALL KINDS OF GAS LAWS:
Boyle’s Law
– The fundamental gas laws that
What is Boyle’s Law? describes how the pressure of
a gas changes when its volume
changes (provided the
temperature and the amount
of gas remain constant).
Boyle’s Law states that the
Is Pressure and Volume pressure of a fixed mass of gas is
directly Proportional in inversely proportional to its
Boyle’s Law? volume at constant temperature:
What is the formula for �1�1 = �2 �2
Boyle’s Law?
REFLECTION
Gas Laws are a set of laws that describe how gases behave when it comes
to its pressure, volume, temperature, and amount of mole.
Boyle’s law is the fundamental gas that states the pressure of a fixed
mass of gas is inversely proportional to its volume at constant
temperature.
CAHINORC - INORGANIC AND ORGANIC CHEMISTRY [LEC]
NUR255
Name: Zardy Gabriel N. Andaya
CORNELL NOTES 5.1
LEARNING OBJECTIVES Notes
Explain the different gas laws.
PARTIAL PRESSURE
Partial Pressure
What is Partial Pressure? – The pressure that a single gas
in a mixture would exert if it
occupied the entire volume by
itself at the same
temperature.
Partial pressure is based on
What is the formula for Partial Dalton’s Law of Partial Pressures,
Pressure? which states:
������ = �1+ �2 + �3 + . . .
Air is a mixture of gases, so each
Does the atmosphere has gas contributes a partial pressure
partial pressure? according to its percentage in the
mixture. Air at sea level, the total
atmospheric pressure is about 1
atm (760 mmHg).
At higher altitudes, total pressure
What happens to the total drops, so oxygen’s partial pressure
pressure at higher altitudes? also decreases — this is why it’s
harder to breathe.
REFLECTION
Partial Pressure is the pressure that a single gas exerts if it occupies an
entire volume only by itself.
The formula for Total Pressure is ������ = �1+ �2+ �3 + . . . ��.
, Even though oxygen is only ~21%
What is the partial pressure of of air, its partial pressure at sea
oxygen in sea level? level is about 160 mmHg, which is
crucial for breathing.
GAS LAWS
Gas Laws
What are Gas Laws? – A set of scientific laws that
describe how gases behave in
relation to:
What units does Gas Laws have • Pressure (P)
involve in? • Volume (V)
• Temperature (T)
• Amount (n)
These laws help explain and
What does Gas Laws help predict how a gas will respond
explain or predict? when one or more of these
conditions change.
ALL KINDS OF GAS LAWS:
Boyle’s Law
– The fundamental gas laws that
What is Boyle’s Law? describes how the pressure of
a gas changes when its volume
changes (provided the
temperature and the amount
of gas remain constant).
Boyle’s Law states that the
Is Pressure and Volume pressure of a fixed mass of gas is
directly Proportional in inversely proportional to its
Boyle’s Law? volume at constant temperature:
What is the formula for �1�1 = �2 �2
Boyle’s Law?
REFLECTION
Gas Laws are a set of laws that describe how gases behave when it comes
to its pressure, volume, temperature, and amount of mole.
Boyle’s law is the fundamental gas that states the pressure of a fixed
mass of gas is inversely proportional to its volume at constant
temperature.
