Quiz 1

Question 1

Equation for Pressure

Answer 1

Pressure = Force/Area

Question 2

Gauge Pressure

Answer 2

P.total = P.gauge + P.atm

Question 3

What does higher elevation do to the needs of gas

Answer 3

There is less gas availability

Question 4

Equation for Work

Answer 4

W = Force x Distance

Question 5

Law stating energy cannot be created or destroyed

Answer 5

Law of conservation of energy

Question 6

an older unit of energy that is still used in chemistry

Answer 6

calorie

Question 7

The food Calorie is what and what

Answer 7

1000 calories
or
kilocalerie

Question 8

Law that states A/B are same temps, B/C are same temps therefore A/C must be same temp

Answer 8

Zeroth Law of thermodynamics

Question 9

When energy flows into the system

Answer 9

Endothermic (Q > 0)

Question 10

When energy flows out of the system

Answer 10

Exothermic (Q < 0)

Question 11

When energy is transferred to an object from a higher temp body + work done on object equals?

Answer 11

Change in internal energy

Question 12

First law of thermodynamics

Answer 12

Change in internal energy

Question 13

When heat spontaneously flows from a hot body to a cold body when in thermal contact

Answer 13

Second law of thermodynamics

Question 14

What law of physics is a warm blanket on a patient?

Answer 14

Second law of thermodynamics

Question 15

Law stating it is not possible to lower a temperature of an object to absolute zero

Answer 15

Third law of thermodynamcis

Question 16

What is a process not a product

Answer 16

Heat

Question 17

what is an energy that can be transferred

Answer 17

Heat

Question 18

The amount of heat needed to raise the temp of 1g of an object 1 degree C

Answer 18

Specific Heat

Question 19

Mass x specific heat

Answer 19

Heat Capacity

Question 20

Factors that affect the rate of change of heat of an object (4)

Answer 20

• Heat Capacity
• Temp Gradient
• Surface Area
• Forced Convection

Question 21

Heat transfer of 40%

Answer 21

Radiation

Question 22

Heat transfer of 30%

Answer 22

convection

Question 23

Heat transfer of 20%

Answer 23

conduction

Question 24

Heat transfer of 10%

Answer 24

Evaporation

Question 25

Heat transfer by the movement of liquid or gas

Answer 25

Convection

Question 26

Heat transfer by direct contact of molecules in a higher temp with molecules in a lower temp

Answer 26

Conduction

Question 27

Heat transfer by energy emitted from an object

Answer 27

Radiation

Question 28

Heat loss through respiration

Answer 28

Evaporation

Question 29

what law states the greater the radius, the greater the surface tension of a cylinder?

Answer 29

Laplaces Law

Question 30

increasing the radius of a sphere does what to surface tension, and what law?

Answer 30

Decreases surface tension LaPlaces Law

Question 31

if the temperature of a liquid increases, what does that do to the vapor pressure?

Answer 31

Also increases

Question 32

What is it called when there is a state of balance b/w vaporization and condensation?

Answer 32

Dynamic equilibrium

Question 33

The tendency of a liquid to evaporate

Answer 33

Volatility

Question 34

Does a liquid with a High volatility have a higher or lower vapor pressure?

Answer 34

Higher

Question 35

Does a liquid with a High volatility have a higher or lower boiling point?

Answer 35

Lower

Question 36

What does the Aline utilize as a principle?

Answer 36

Pascals Principle

Question 37

The pressure applied to a confined fluid increases the pressure throughout the fluid by the same amount

Answer 37

Pascals Principle

Question 38

The rate of change of velocity

Answer 38

Acceleration

Question 39

Law states that the pressure of a fluid varies inversely with speed, an increase in speed producing a decrease in pressure and vice versa

Answer 39

Bernoulli's Law

Question 40

The faster a fluid flows, the less pressure it exerts (Principle)

Answer 40

Bernoulli's principle

Question 41

Measure of fluid's resistance to flow

Answer 41

Viscosity

Question 42

determined that the laminar flow rate of an incompressible fluid along a pipe is proportional to the fourth power of the pipe's radius

Answer 42

Poiseulle's Law

Question 43

The flow rate for a fluid through a tube depends on:

Answer 43

- Radius - Length - Pressure difference - Viscosity

Question 44

Prediction of when flow will become turbulent

Answer 44

Reynold's Number

Question 45

Reynolds number is inversely proportionate to:

Answer 45

Viscosity

Question 46

Vapor pressure of desflurane

Answer 46

669 mmHg

Question 47

Vapor pressure of Sevoflurane

Answer 47

157 mmHg

Question 48

Vapor pressure of Isoflurane

Answer 48

239 mmHg

Question 49

The energy required to push electrons through a material

Answer 49

Resistance

Question 50

Ohms law equation

Answer 50

V = IR (Electrical potential = Current x resistance)