Study sets matching "gases chapter 5"

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Study sets matching "gases chapter 5"

16 terms
Chapter 5: Gases
barometer
Boyle's Law
ideal gas
Charles's Law
pressure pushes down on mercury in bowl, making mercury rise…
PV = k
a gas that strictly obeys Boyle's law
the volume of each gas is directly proportional to temperatur…
barometer
pressure pushes down on mercury in bowl, making mercury rise…
Boyle's Law
PV = k
Chapter 5: Gases
Gases at room temperature
Describe attractive forces between gases
Describe attractive forces in an ionic…
pressure
H, N, O, F, Cl, He through Rn (all the noble gases)
very weak which allows particles to be very far apart from on…
ionic compounds have extremely strong attractive forces betwe…
force per area
Gases at room temperature
H, N, O, F, Cl, He through Rn (all the noble gases)
Describe attractive forces between gases
very weak which allows particles to be very far apart from on…
34 terms
Chapter 5 - Gases
pressure
units of pressure
Boyle's Law
Charles's Law
force/area
N/m^2 = Pascal (Pa). 1 atmosphere (atm) = 101,325 Pa = 760 mm…
PV = k (constant for specific temperature); or in linear form…
V = bT (b = proportionality constant)
pressure
force/area
units of pressure
N/m^2 = Pascal (Pa). 1 atmosphere (atm) = 101,325 Pa = 760 mm…
Chapter 5: Gases
Barometer
Manometer
Boyle's Law
Charles Law
Is an elevated glass tube, the tip of which is submerged in a…
A way to measure pressure of a gas sample in the lab.... ~ U-sha…
Law assumes constant temperature and constant amount of gas.…
Law assumes constant pressure and constant amount of gas.... ~ W…
Barometer
Is an elevated glass tube, the tip of which is submerged in a…
Manometer
A way to measure pressure of a gas sample in the lab.... ~ U-sha…
16 terms
Chapter 5: Gases
Pressure
Pressure Units
Boyle's Law
Charles' Law
Force exerted per unit area by gas molecules as they strike t…
1 (mmHg)= 1 Torr... 1 atm= 760 mmHg... 1 atm= 101, 325 Pa... 1 atm= 29…
Pressure and volume have an INVERSE relationship... * T and N he…
Volume and temperature have a DIRECT relationship... *P and N he…
Pressure
Force exerted per unit area by gas molecules as they strike t…
Pressure Units
1 (mmHg)= 1 Torr... 1 atm= 760 mmHg... 1 atm= 101, 325 Pa... 1 atm= 29…
Gases- Chapter 5
Normal atmospheric conditions
gaseous diatomic molecules, and one al…
Ionic compounds?
Difference between gas and vapor
25 degree C and 1 atm
H2, N2, O2, F2, Cl2, O3; noble gases
Not gases under normal atmospheric conditions
vapor is the gaseous form of any substance that is a liquid o…
Normal atmospheric conditions
25 degree C and 1 atm
gaseous diatomic molecules, and one al…
H2, N2, O2, F2, Cl2, O3; noble gases
23 terms
Chapter 5: Gases
Boyle's Law
Charles' Law
Gay-Lussac's Law
Avogadro's Law
inverse relationship b/w VOLUME & PRESSURE... --- when volume in…
direct relationship b/w TEMPERATURE & VOLUME... --- when tempera…
direct relationship b/w PRESSURE & TEMPERATURE... --- when press…
the law that states that equal volumes of gases contain equal…
Boyle's Law
inverse relationship b/w VOLUME & PRESSURE... --- when volume in…
Charles' Law
direct relationship b/w TEMPERATURE & VOLUME... --- when tempera…
21 terms
Gases: Chapter 5
postulates relate to an ideal gas
properties of gases
manometers measure ......?
barometer
1. gases are composed of particles whose size is negligible w…
1. no set shape or volume... 2. high kinetic energy (constantly…
the pressure of a gas during reactions
- invented by Torricelli... -measures heights of a mercury column
postulates relate to an ideal gas
1. gases are composed of particles whose size is negligible w…
properties of gases
1. no set shape or volume... 2. high kinetic energy (constantly…
13 terms
Chapter 5 key terms: Gases
barometer
manometer
mm Hg
standard atmosphere
a device for measuring atmospheric pressure
a device for measuring the pressure of a gas in a container
millimeters of Mercury; a unit of pressure, also called a tor…
a unit of pressure equal to 760 mm Hg
barometer
a device for measuring atmospheric pressure
manometer
a device for measuring the pressure of a gas in a container
26 terms
Chapter 5: Gases
Ideal Gas Law
Pressure =
Units used for ideal gas law (m, P, V,…
Units of Pressure:
PV=nRT
P=F/A
Mols, atm, L, and K
Ideal Gas Law
PV=nRT
Pressure =
P=F/A
Chapter 5: Gases
Gases at room temperature
Describe attractive forces between gases
Describe attractive forces in an ionic…
pressure
H, N, O, F, Cl, He through Rn (all the noble gases)
very weak which allows particles to be very far apart from on…
ionic compounds have extremely strong attractive forces betwe…
force per area
Gases at room temperature
H, N, O, F, Cl, He through Rn (all the noble gases)
Describe attractive forces between gases
very weak which allows particles to be very far apart from on…
26 terms
Chapter 5: Gases
Gaseous State of Matter
Barometer
Atmospheric Pressure
Manometer
Properties... ∙ has no distinct shape/volume so fills any contai…
∙ measures atmospheric pressure... ∙ invented by Torricelli, Ita…
results from mass of air being pulled toward the earth by gra…
measures pressure of a gas in a container (ex: flask)... ∙ gas h…
Gaseous State of Matter
Properties... ∙ has no distinct shape/volume so fills any contai…
Barometer
∙ measures atmospheric pressure... ∙ invented by Torricelli, Ita…
Chapter 5-Gases
Gas can ____ fill any container, be ea…
Barometer
Manometer
Pressure
Fill, compressed, mixes
A device to measure to atmospheric pressure
Device used for easuring the pressure of a gas in a container
Caused by collisions of molecules with walls of containers
Gas can ____ fill any container, be ea…
Fill, compressed, mixes
Barometer
A device to measure to atmospheric pressure
Chapter 5 Gases
Pressure equation
pressure units/ conversions
Boyle's Law : Volume and Pressure
Boyle's Law Equation
Pressure= Force/area
1mmHg=1 torr... 1atm=760mmHg... 1 Pa = 1 N/M²... 1 atm= 101325 Pa... 1 at…
volume and pressure are an inverse relationship ... -an increase…
P₁V₁=P₂V₂
Pressure equation
Pressure= Force/area
pressure units/ conversions
1mmHg=1 torr... 1atm=760mmHg... 1 Pa = 1 N/M²... 1 atm= 101325 Pa... 1 at…
27 terms
Chapter 5: Gases
STP
Pressure
Conversion Between mmHg and Torr
Conversion of atm
273 K, 1 atm, 22.4 L
The force exerted per unit area by gas molecules as they stri…
1 mmHg = 1 torr
1 atm = 760 mmHg = 14.7 psi = 29.92 inHg = 101,325 Pa
STP
273 K, 1 atm, 22.4 L
Pressure
The force exerted per unit area by gas molecules as they stri…
10 terms
Chemistry Chapter 5 gases
Elements that exist as gases
Gases will be molecular compounds. Not…
Physical Characteristics of Gases
Pressure
at 250C and 1 atmosphere
Gases assume the volume and shape of their containers.... Gases…
one of the most readily measurable properties.
Elements that exist as gases
at 250C and 1 atmosphere
Gases will be molecular compounds. Not…
Chapter 5: Gases
barometer
manometer
mm Hg
torr
a device for measuring atmospheric pressure
a device for measuring the pressure of a gas in a container
millimeter of mercury; torr ; measure of pressure
another name for millimeter of mercury; unit of pressure
barometer
a device for measuring atmospheric pressure
manometer
a device for measuring the pressure of a gas in a container
Chapter 5: Gases
Clean Air
Criteria Pollutants
Primary Standards
Secondary Standards
99% nitrogen and oxygen, and a small amount of various other…
Less than one part per million of: CO, NO2, O3, SO2, Pb, and…
Intended to protect the health of people.
Intended to protect our environment and property.
Clean Air
99% nitrogen and oxygen, and a small amount of various other…
Criteria Pollutants
Less than one part per million of: CO, NO2, O3, SO2, Pb, and…
Chapter 5: Gases
gases
straight collide counce
gas pressure
force/area
composed of particles that are moving around very fast in the…
Gas particles move in ___ lines until they ___ with either th…
- force exerted from a gaseous atom or molecule when it colli…
Pressure equation
gases
composed of particles that are moving around very fast in the…
straight collide counce
Gas particles move in ___ lines until they ___ with either th…
Chapter 5 Gases
Boyles Law
Charles Law
Avogadro's Law
Graham's Law
V= 1/P • Constant ... PV= constant
V/T= Constant ... V= T • Constant
V= n • Constant ... V/ n = constant
Rate 1/ rate 2 = square root of M2 / M1
Boyles Law
V= 1/P • Constant ... PV= constant
Charles Law
V/T= Constant ... V= T • Constant
28 terms
Chapter 5: Gases
Solid
Liquid
Gas
Macroscopic properties of gases
has a rigid shape and a fixed volume
has a fixed volume, but is a fluid that takes the shape of th…
also a fluid—takes shape of container and expands to fill vol…
1. Gas volume changes significantly with pressure.... 2. Gas vol…
Solid
has a rigid shape and a fixed volume
Liquid
has a fixed volume, but is a fluid that takes the shape of th…
Chapter 5: Gases
Gas state
4 important variables for gases
Pressure
Units of pressure
least condensed state of matter
amount- moles (n)... volume- V(L)... temp- T(K)... pressure- P
force that arises from gas molecules colliding with walls of…
atmospheres (atm), mm Hg, bars, Pascals (Pa), lb/in^2 (psi) t…
Gas state
least condensed state of matter
4 important variables for gases
amount- moles (n)... volume- V(L)... temp- T(K)... pressure- P
42 terms
Chapter 5 "Gases"
Absolute temperature scale
Absolute Zero
Atmospheric pressure
Avogadro's Law
Has Absolute zero at its start; in Kelvin
Theoretically the lowest attainable value of temperature on t…
The pressure exerted by Earth's atmosphere
States that at a constant pressure and temperature, the volum…
Absolute temperature scale
Has Absolute zero at its start; in Kelvin
Absolute Zero
Theoretically the lowest attainable value of temperature on t…
40 terms
Chapter 5 Gases
random
large
elastically, loss
negligible
Gases are composed of a lage number of particles in constant,…
Gas particles are seperated by relatively _____ distances.
Gas particles collide ____ with one another and with the wall…
Gas particles are ssumed to be points in space-their volumes…
random
Gases are composed of a lage number of particles in constant,…
large
Gas particles are seperated by relatively _____ distances.
Chapter 5: Gases
fills any container; compressed; mixes…
atmospheric pressure; decreases
P1V1 = P2V2
inverse
Gas uniformly _____________________, is easily ______________…
weight of the air that ____________ as elevation increases
Boyle's Law
According to Boyle's Law, there is a(n) ____________ relation…
fills any container; compressed; mixes…
Gas uniformly _____________________, is easily ______________…
atmospheric pressure; decreases
weight of the air that ____________ as elevation increases
30 terms
Chapter 5 Gases
Boyle's Law
Charles' Law
ideal gas
Avogadro's Law
the volume of a given sample of gas at constant temperature v…
the volume of a given sample of gas at constant pressure is d…
a hypothetical gas whose molecules occupy negligible space an…
equal volumes of gases at the same temperature and pressure c…
Boyle's Law
the volume of a given sample of gas at constant temperature v…
Charles' Law
the volume of a given sample of gas at constant pressure is d…
16 terms
Chapter 5 Gases
barometer
mm Hg
Boyle's Law
ideal gas
a device to measure atmospheric pressure
millimeter of mecury
P1V1= P2V2
a gas that strictly obeys Boyle's law
barometer
a device to measure atmospheric pressure
mm Hg
millimeter of mecury
Chapter 5 gases
1atm=________mmHg
1atm=________torr
1atm=________Pa
1atm=________inHg
760 mmHg
760 torr
1.013x10^5 Pa
29.92 inHg
1atm=________mmHg
760 mmHg
1atm=________torr
760 torr
22 terms
Chapter 5: Gases
Real gas
Ideal gas
vapor
gases
A gas that does not behave completely according to the assump…
law that states the math relationship of pressure (P), volume…
gaseous form of something that was solid or liquid at room te…
Noble gases (He, Ne, Ar, Kr, Xe, Rn) H2, N2, O2, F2, Cl2 and O3
Real gas
A gas that does not behave completely according to the assump…
Ideal gas
law that states the math relationship of pressure (P), volume…
Chapter 5: Gases
absolute zero
acid rain
air pollution
atmosphere
0 degrees Kelvin
a result of air pollution by sulfur dioxide
contamination of the atmosphere, mainly by the gaseous produc…
the mixture of gases that surrounds the earth's surface
absolute zero
0 degrees Kelvin
acid rain
a result of air pollution by sulfur dioxide
17 terms
Chapter 5 Gases
Boyle's Law
Charles' Law
Gay-Lussac's Law
Combined Gas Law
P1V1 = P2V2
V1/T1 = V2/T2
P1/T1 = P2/T2
P1V1/T1 = P2V2/T2
Boyle's Law
P1V1 = P2V2
Charles' Law
V1/T1 = V2/T2
30 terms
Chapter 5: Gases
barometer
manometer
mm Hg
torr
An instrument that measures atmospheric pressure
An instrument that measures the pressure of a gas in a closed…
millimeters of mercury
Intensely hot or burning
barometer
An instrument that measures atmospheric pressure
manometer
An instrument that measures the pressure of a gas in a closed…
38 terms
Chapter 5: Gases
atmosphere composition
normal atmospheric conditions
gases
velocity
78% N2... 21% O2... 1% other gases (CO2, etc)
25 C... 1 atmosphere pressure (atm)... only 11 elements are gases…
most are colorless... 1. assume volume and shape of containers…
the change in distance with elapsed time... v = change distance…
atmosphere composition
78% N2... 21% O2... 1% other gases (CO2, etc)
normal atmospheric conditions
25 C... 1 atmosphere pressure (atm)... only 11 elements are gases…
25 terms
Chapter 5 Gases
Charles's law
Boyle's law
Avogadro's
Dalton's law
V1 V2... --=--... T1 T2... T=K... N&P constant... Directly related
P1V1 = P2V2... N&T constant ... Inversely related
V1 V2... --=--... n1 n2... P&T constant... Directly related
P(total) = Pa+ Pb + Pc... Only law that involves mix of gases
Charles's law
V1 V2... --=--... T1 T2... T=K... N&P constant... Directly related
Boyle's law
P1V1 = P2V2... N&T constant ... Inversely related
Chapter 5: Gases
kinetic molecular theory
relationship between particles and speed
relationship between pressure and elev…
PV = nRT
particles are small compared to overall volume... particles are…
heavier particles have a slower speed generally
inverse, as pressure goes up, elevation goes down
pressure(atm)volume(L) = molesconstant*Kelvi
kinetic molecular theory
particles are small compared to overall volume... particles are…
relationship between particles and speed
heavier particles have a slower speed generally
Chapter 5 Gases
pressure
force/area
millimeter of mercury
barometer
the force exerted per unit area by gas particles as they stri…
pressure=
a common unit of pressure originating from the measurement of…
an evacuated glass tube, the tip of which is submerged in a p…
pressure
the force exerted per unit area by gas particles as they stri…
force/area
pressure=
17 terms
Chapter 5: Gases
Phase Changes
Solids have the ____ intermolecular fo…
KE=
Condensation
One state of matter to another
Most, no
1/2mv^2
Gas to liquid
Phase Changes
One state of matter to another
Solids have the ____ intermolecular fo…
Most, no
23 terms
Chapter 5 - Gases
torr
standard temperature and pressure (STP)
root mean square velocity
standard atmosphere
another name for mmHg
the conditon 0°C and 1 atm
the square root of the average of the squares of the individu…
a unit of pressure equal to 760 mmHg
torr
another name for mmHg
standard temperature and pressure (STP)
the conditon 0°C and 1 atm
37 terms
Chapter 5: Gases
Boyle's Law
Avogadro's Law
Standard Temperature and Pressure (STP)
SUBSTANCES WHICH ARE GASES
Boyle's Law describes the inverse proportional relationship b…
Volume of a gas is directly proportional to the amount of gas…
Standard condition of temperature and pressure is known as ST…
ELEMENTS: H2, He, N2, O2, F2, Ne, Cl2, Ar, Kr, Xe, Rn... COMPOU…
Boyle's Law
Boyle's Law describes the inverse proportional relationship b…
Avogadro's Law
Volume of a gas is directly proportional to the amount of gas…
Chapter 5 - Gases
Barometer
millimetre of mercury (mmHg)
atmosphere (atm)
pascal (Pa)
Evacuated glass tube used to measure pressure
A common unit of pressure
Unit of pressure, average pressure at sea level
SI unit of pressure
Barometer
Evacuated glass tube used to measure pressure
millimetre of mercury (mmHg)
A common unit of pressure
7 terms
Chapter 5 Gases
Definition of Pressure
Barometers
Boyle's Law
Charle's Law
Conveys the idea of a force i.e. a push tends to move somethi…
Created by Evangelista Torricelli to prove atmospheric pressu…
As volume increases, pressure decreases and vice-versa.... V=co…
Volume increases as temperature increases, and volume decreas…
Definition of Pressure
Conveys the idea of a force i.e. a push tends to move somethi…
Barometers
Created by Evangelista Torricelli to prove atmospheric pressu…
Chapter 5 Gases
Pressure (PA) =
Whenever there is a pressure differenc…
The bigger the difference in pressure…
Differences in air pressure result in
Force/ Area
An area of high concentration to an area of low concentration
stronger
weather and wind patterns
Pressure (PA) =
Force/ Area
Whenever there is a pressure differenc…
An area of high concentration to an area of low concentration
CHAPTER 5: Gases
Pascal (1 N/m^2)
pounds per square inch
Torr
mm Hg
101,325 Pa
14.7 psi
760 torr
760 mm Hg
Pascal (1 N/m^2)
101,325 Pa
pounds per square inch
14.7 psi
Chapter 5: Gases
Boyle's Law
Charle's Law
Avogadro's Law
Gay Lusaac Law
P1V1 = P2V2
V1 / T1 = V2 / T2
V1 / n1 = V2 / n2
P1/ T1 = P2 / T2
Boyle's Law
P1V1 = P2V2
Charle's Law
V1 / T1 = V2 / T2
23 terms
Chapter 5: Gases
barometer
atmospheric pressure
newton
Boyle's law
device that measures atmospheric pressure
result of mass of the air being pulled toward the center of t…
unit of force
there is an inverse relationship between pressure and volume
barometer
device that measures atmospheric pressure
atmospheric pressure
result of mass of the air being pulled toward the center of t…
Chapter 5: Gases
barometer
manometer
closed-tube manometer
open-tubed manometer
instrument for measuring atmospheric pressure.
a device used to measure the pressure of gases other than the…
normally used to measure pressures below atmospheric pressure
better suited for measuring pressures equal to or greater tha…
barometer
instrument for measuring atmospheric pressure.
manometer
a device used to measure the pressure of gases other than the…
17 terms
Chapter 5 Gases
Pressure=
In relation to gas pressure.. The high…
Factors gas pressure depends on
Manometer
Force/Area
The greater the pressure
Number of gas particles in a volume, volume of container, ave…
Measures gas trapped in a container
Pressure=
Force/Area
In relation to gas pressure.. The high…
The greater the pressure
Chapter 5 gases
Ideal gas law
R=
Charles law
Boyles law
PV=nrt
0.08206 Latm/milk... 8.314 Jmol/k... 62.37 Torr/molK
V1t1=v2t2
P1v1=p2v2
Ideal gas law
PV=nrt
R=
0.08206 Latm/milk... 8.314 Jmol/k... 62.37 Torr/molK
15 terms
Chapter 5: Gases
Pressure
1 atm
Four properties of gas
Boyle's Law
The force exerted per unit area by gas molecules as they stri…
760 mmHg
Pressure (P), volume (V), temperature (T), and moles (n).
The law that states that volume of a gas is inversely proport…
Pressure
The force exerted per unit area by gas molecules as they stri…
1 atm
760 mmHg
15 terms
Chapter 5: Gases
MM= m/n
Kelvin= Celsius + 273
1 atm = 1.03 bar
1 atm = 760 mm Hg
MM= molar mass (g/mol)... m= mass (g)... n= amount (mol)
temperature conversion
...
...
MM= m/n
MM= molar mass (g/mol)... m= mass (g)... n= amount (mol)
Kelvin= Celsius + 273
temperature conversion
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