Chem 130 Final Exam
Comprehensive Questions
(Frequently Tested) and Complete
Solutions Graded A+
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the force exerted per unit of area by gas molecules as they strike
a surface or other gas particles - Answer: gas pressure
the weight of air per unit of area - Answer: atmospheric pressure
,SI unit of pressure, measured in N/m*m - Answer: Pascals
=force/area - Answer: Pressure
equal to 760 mmHg - Answer: 1 atm
a U-shaped tube containing a dense liquid and a gas sample; the
difference in height is equal to the difference in the sample's
pressure and the atmospheric pressure - Answer: manometer
PV=PV - Answer: Boyle's Law
V/T=V/T - Answer: Charles' Law
V/n=V/n - Answer: Avogadro's Law
PV=nRT
R=.08206 - Answer: Ideal gas law
, standard temperature and pressure, 273 K and 1 atm - Answer:
STP
the volume occupied by one mole of a substance; 22.4 at
standard temperature and pressure - Answer: Molar volume
molar volume/molar mass; can also be expressed by (P*Molar
Mass)/(R-gas constant*Temperature) - Answer: density
is equal to mass/moles - Answer: Molar Mass
the pressure of any individual component in a gas mixture -
Answer: Partial Pressures
the sum of partial pressures equals total pressure - Answer:
Dalton's Law of Partial Pressures
the number of moles of a component in a mixture divided by the
total number of moles in the mixture
Xa=na/ntotal
Pa=(Xa)Ptotal - Answer: mole faction
Comprehensive Questions
(Frequently Tested) and Complete
Solutions Graded A+
Professional Academic Assistance Services
Services Offered
• Proctored Exam Assistance
• Online Class Management (Full Course Support)
• Exam Preparation & Study Materials
• Assignments and Coursework Support
• Essay and Research Paper Writing
• Discussion Posts & Responses
• Editing and Proofreading
• Confidential Academic Consultation
Contact Information
Email:
WhatsApp link: https://wa.me/254704846336
Fast Response | Confidential | Reliable Academic Support
Helping Students Achieve Academic Excellence
the force exerted per unit of area by gas molecules as they strike
a surface or other gas particles - Answer: gas pressure
the weight of air per unit of area - Answer: atmospheric pressure
,SI unit of pressure, measured in N/m*m - Answer: Pascals
=force/area - Answer: Pressure
equal to 760 mmHg - Answer: 1 atm
a U-shaped tube containing a dense liquid and a gas sample; the
difference in height is equal to the difference in the sample's
pressure and the atmospheric pressure - Answer: manometer
PV=PV - Answer: Boyle's Law
V/T=V/T - Answer: Charles' Law
V/n=V/n - Answer: Avogadro's Law
PV=nRT
R=.08206 - Answer: Ideal gas law
, standard temperature and pressure, 273 K and 1 atm - Answer:
STP
the volume occupied by one mole of a substance; 22.4 at
standard temperature and pressure - Answer: Molar volume
molar volume/molar mass; can also be expressed by (P*Molar
Mass)/(R-gas constant*Temperature) - Answer: density
is equal to mass/moles - Answer: Molar Mass
the pressure of any individual component in a gas mixture -
Answer: Partial Pressures
the sum of partial pressures equals total pressure - Answer:
Dalton's Law of Partial Pressures
the number of moles of a component in a mixture divided by the
total number of moles in the mixture
Xa=na/ntotal
Pa=(Xa)Ptotal - Answer: mole faction
