THERMO

Question 1

Science that deals with the relationship between heat and other forms of energy

Answer 1

THERMODYNAMICS

Question 2

Thermodynamics was coined by

Answer 2

JAMES PRESCOTT JOULE

Question 3

Father of thermodynamics

Answer 3

NICOLAS SADI CARNOT

Question 4

Liquid that is non saturated

Answer 4

SUBCOOLED LIQUID

Question 5

The phase of liquid that can absorb as much heat as it can without vaporizing

Answer 5

SATURATED LIQUID

Question 6

Property that is dependent on the substance energy content

Measure of average kinetic energy of the different particles in a sample of matter

Answer 6

TEMPERATURE

Question 7

When liquid inside a thermometer is being heated it

Answer 7

EXPANDS

Question 8

Celsius scale is named after

Answer 8

ANDERS CELSIUS

Question 9

Fahrenheit is named after _________ and was the inventor of the first Mercury thermometer that we use now a days

Answer 9

GABRIEL DANIEL FARENHEIT

Question 10

Kelvin scale is named after

Answer 10

SIR WILLIAM THOMSON OR LORD KELVIN

Question 11

Ranking scale is named after

Answer 11

WILLIAM JOHN RANKINE

Question 12

Internal energy in transit from one body of matter to another by virtue of a temperature difference between them

Answer 12

HEAT

Question 13

He proposed that heat is just another form of energy that can be convertible into mechanical form

Answer 13

JULIUS ROBERT MAYER

Question 14

Created the Law of Conservation of Energy

Answer 14

HERMAN von HELMHOLTZ

Question 15

A time when temperature of both system and surrounding reaches the same value

Answer 15

THERMAL EQUILIBRIUM

Question 16

It is the temperature at which the molecules are believed to stop moving

Answer 16

ABSOLUTE ZERO

Question 17

True pressure ,measured above a perfect vacuum

Answer 17

ABSOLUTE PRESSURE

Question 18

Pressure measured from the level of atmospheric pressure by most pressure recording instrument like pressure gage and open ended manometer

Answer 18

Gage Pressure

Question 19

Pressure of the surrounding

Answer 19

ATMOSPHERIC PRESSURE

Question 20

The minimum pressure needed to liquefy gas at its critical temperature

Answer 20

CRITICAL PRESSURE

Question 21

The ratio of the density of a certain substance to the density of standard substance at the same temperature

Answer 21

SPECIFIC GRAVITY

Question 22

Transmission of heat that takes place from molecule to molecule through a body or through bodies in contact

Answer 22

CONDUCTION

Question 23

Transmission of heat due to motion of molecule of the medium

Answer 23

CONVECTION

Question 24

Transmission of heat that takes place without any intervening medium

Answer 24

RADIATION

Question 25

It is the heat needed to change the temperature of the body without changing its phase

Answer 25

SENSIBLE HEAT

Question 26

The heat needed by the body to change its phase without changing its temperature

Answer 26

LATENT HEAT

Question 27

It is the transfer of thermal energy between neighboring molecules in a substance due to temperature gradient

Answer 27

THERMAL CONDUCTION

Question 28

It states that the time rate of heat transfer through a material is proportional to the gradient in the temperature and to the area at right angles to that gradient through which the heat is flowing

Answer 28

FOURIER’S LAW OF HEAT CONDUCTION

Question 29

The ability of an object to emit radiation

Answer 29

EMISSIVITY

Question 30

Device that measures the amount of infrared radiation each small portion of a person’s skin emits

Answer 30

THERMOGRAPH

Question 31

The term energy was coined by

Answer 31

THOMAS YOUNG

Question 32

Measure of energy that is no longer available to perform useful work within the current environment

Measure of randomness or disorder of the system

Answer 32

ENTROPY

Question 33

Energy that is stored within the body

Answer 33

INTERNAL ENERGY (U)

Question 34

Energy cannot be created nor destroyed, it can only be transformed from one form to another

Answer 34

LAW OF CONSERVATION OF ENERGY (1st LAW OF THERMODYNAMICS)

Question 35

Heat energy flows spontaneously from hot body to cold body

Answer 35

CLAUSIUS STATEMENT

Question 36

No heat engine that cycle continuously can change all its input energy to useful work

Answer 36

KELVIN - PLANCK STATEMENT

Question 37

It is the heat energy transferred to a substance at a constant ensure process.

Represents the total useful energy of a substance

Answer 37

ENTHALPHY

Question 38

States that the total entropy of pure substances approaches zero as the absolute thermodynamic temperature approaches zero

Answer 38

LAW OF ABSOLUTE ENTROPY OR NERNST LAW (3rd LAW OF THERMODYNAMICS)

Question 39

States that equal volumes of different gases at the same temperature and pressure contain equal number of molecules.

Answer 39

AVOGADRO’S LAW

Question 40

When any two bodies are in thermal equilibrium with the third body, they a rein thermal equilibrium with each other

Answer 40

ZEROTH LAW OF THERMODYNAMICS

Question 41

It is an experimental technique used to measure the specific heat of a substance.

Answer 41

CALORIMETRY

Question 42

It states that for a confined fluid the pressure at a point has the same magnitude in all directions

Answer 42

PASCAL’S LAW

Question 43

States that the total property of a mixture of ideal gases is the sum of properties that the individual gases would have if each occupied the same temperature

Answer 43

GIBB’S THEOREM

Question 44

The ENTHALPHY change for any chemical reaction is independent of the intermediate stages provided initial and final conditions are the same for each route

Answer 44

HESS’S LAW

Question 45

It states that the net mass transfer to or from a system during a process is equal to the net change in the total mass of the system during that process

Answer 45

CONSERVATION PF MASS PRINCIPLE