Chem Ch 5 6 7 8

A detailed and engaging illustration of fluid dynamics, showcasing concepts like buoyancy, gas laws, and fluid flow in colorful, educational infographics.

Fluid Dynamics Quiz

Test your knowledge on fluid mechanics with our comprehensive quiz covering chapters 5 to 8. Dive into the fascinating world of fluids, buoyancy, and gas laws with 81 challenging questions designed for students, teachers, and anyone interested in the principles of physics.

Challenge yourself with topics including:

Hydrostatics
Buoyancy and Viscosity
Bernoulli's Principle
Kinetic Molecular Theory
Gas Laws

81 Questions20 MinutesCreated by FlowingStream42

	Match the definitions:
Buoyancy
Fluid
Hydrometer
Hydrostatics
Laminar flow
Turbulent flow
Bernoulli's principle
Flow rate
Archimede's principle
Pascal's principle
Viscosity

	Match the SI units
Pressure
Flow rate
Speed
Weight
Temperature
Velocity

In what area of a tube will fluid be moving the fastest?

On the sides of the tube

In the center of the tube

The fluid will be moving at the same speed in all parts of the tube

None of the above

All of the following are true of gases except:

Volume and pressure are inversely proportional

Temperature is inversely proportional to volume

Volume is directly proportional to temperature

Volume is directly proportional to the # of moles

The equation for showing the relationship between pressure and volume of gases is:

P1/V1=P2/V2

V1/P1=V2/P2

P1V1=P2V2

P1+V1=P2+V2

As pressure of a gas increases, the volume:

Stays the same as they are not related

Decreases

Increases

Increases by a factor of 2

As temperature increases, volume:

Increases

Decreases

Stays the same

STP describes:

Standard temperature and pressure

Standard atmospheric pressure

Statement of temperature proportions

To find volume of a gas, what is the equation:

V=RT/nP

V=nT/PR

V=nRT/P

V=PRT/n

To increase the relative humidity, we can:

Decrease the partial pressure

Increase the vapor pressure

Increase the partial pressure

None of the above

The Kinetic Molecular Theory of Gases includes all of the following except:

There is a high attraction between gas particles causing them to want to stay close to each other

Gases consist of small particles whose volume is negligible compared to the volume of the gas

Gas molecules are in constant motion

Molecules in a sample show a range of kinetic energies but the average depends only on the temperature

The average kinetic energy of a gas depends on:

Pressure

Temperature

Velocity

None of the above

The Van der Waals Equation took the Ideal Gas Law and took into account the different what of gases?

Density

Speed

Volume

	Match the definitions:
Freezing
Sublimation
Deposition
Melting
Condensation
Vaporization

The three principle intermolecular forces include all of the following except:

Dipolar attractions

Ionic bonding

Hydrogen bonding

London forces

	Match the types of bonding:
London forces
Dipole-dipole attraction
Polar covalent bond
Ionic bond
Ion-dipole attraction
Covalent bond
Hydrogen bond

The most important intermolecular force is:

Hydrogen bonding

London Forces

Covalent bonds

Dipolar attractions

All of the following are true of surface tension except:

Molecules in the liquid state are attracted to all neighboring molecules by intermolecular forces

Near the surface, there are many balancing attractions from above the surface of the liquid

Deep in the sample, molecular forces operate in all directions and cancel each other out

The attractive strength on the surface of the liquid is the surface tension

What is capillary rise?

The cohesive forces between the water molecules

The tendency of a fluid to rise into a narrow-diameter tube

The opposite of the meniscus value

The tendency of droplets to form on the lid of a pot that has boiling water

A small tube from a gutter system leads into a larger tube that drains into the sewer. Both tubes have the same flow rate. What is the relationship between the pressure and velocity of these tubes?

Pressure in the smaller tube creates a higher velocity

Pressure in the larger tube is less but the velocity is slower

Pressure in the smaller tube is lower allowing for a higher velocity

The velocity is the same but the pressure in the small tube is higher

All of the following are ways we can increase flow rate of a viscous fluid except:

Increase temperature

Increase area

Increase velocity

Increasing pressure

There are two containers. One has helium. One has hydrogen. The mass of each are identical as well as the temperature. Which has the higher Kinetic Energy?

Hydrogen as it has a smaller molar mass

The KE are the same.

Helium due to the higher speed of particles allowing it to float

Unable to determine with information given

The sum of all mole fractions is equal to:

100%

Unable to determine with info given.

None of the above

Which gas has the highest effusion rate?

The one with the largest molecular mass

The one with the highest lipophilicity

The one with the lowest molecule mass

The one with the highest KE

What is the pressure of 5g of helium at a temperature of 36 degrees Celsius. With a volume of 10,000mL

3.2 atm

32 atm

12.6 atm

4.3 atm

In water, what is the force we have to overcome in order to break the surface?

Covalent bonding

Surface tension

Polar covalent bonding

None of the above

What structure does surfactant have?

Lipophilic head, hydrophilic tail

Polar head, nonpolar tail

Hydrophobic head, lipophilic tail

None of the above

Adding salt to water has what effect on the boiling point?

Decreases it

Increases it

No change to boiling point

Not enough information

Adding salt to water has what effect on the freezing point?

Decreases it

Increases it

No change

Not enough info

All of the following are colligatve properties except:

Vapor pressure of a solution increases with increasing solute concentration

The boiling point of a solution increases with increasing solute concentration

The freezing point of a solution decreases with increasing solute concentration

The osmotic pressure of a solution increases with increasing solution concentration

Which is true of vapor pressure:

The greater the intermolecular forces the lower the vapor pressure

Vapor pressure decreases with increased temperature

The greater the intermolecular forces the higher the vapor pressure

Vapor pressure is how gases consensate

	Match the definitions:
Phase boundary
Homogenous mixture
Solvent
Solution
Solute

	Match the questions to what they represent:
MRT (Molarity x ideal gas constant x Temperature)
χ x P (molar fraction x vapor pressure of that solution)
(g of solute/g of solution) x 10^6
Equivalents of solute/Liter of solution (expressed mEq)
KH x Pgas (Henry's Law constant x partial pressure of the gas)
Mol of solute/L of solution
Mol of solute/kg of solvent

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