THERMODYNAMICS

Question 1

is the transfer of energy as disorderly motion as a result of a temperature difference between the system and the surrounding

Answer 1

Heat

Question 2

q (+) and w (+), internal energy?

Answer 2

increases

Question 3

Value does not depend on the amount of the material present. (e.g: density, temperature)

Answer 3

Intensive Property

Question 4

________________ of a substance is the amount of heat required to raise the temperature of a given amount of the substance by one degree Celsius

Answer 4

Heat capacity (C)

Question 5

Deals with the study of energy and its transformation.

Answer 5

Thermodynamics

Question 6

The greater the __________, the greater the heat required to produce a given increase in temperature

Answer 6

Heat Capacity

Question 7

Heat evolved by the system

Answer 7

Exothermic (-q)

Question 8

The change in Energy is the sum of the

Answer 8

Heat exchanged and work done

Question 9

means it does not allow matter to pass through it

Answer 9

impermeable

Question 10

is the energy utilized to cause an object to move against an opposing force

Answer 10

Work

Question 11

Heat added to the system

Answer 11

Endothermic (+q)

Question 12

Types of System

Answer 12

Open System
Closed System
Isolated System

Question 13

Work done on the system

Answer 13

+w

Question 14

“the capacity to do work or even transfer heat to cause a change in temperature”

Answer 14

Energy

Question 15

It depends on mass, temperature and state of the system

Answer 15

Internal Energy

Question 16

It can be adiabatic or nonadiabatic (diathermal)

Answer 16

Boundary/Wall

Question 17

It can be rigid (immovable) or non-rigid (movable)

Answer 17

Boundary/Wall

Question 18

is the total change in internal energy of a system

Answer 18

ΔEsys

Question 19

states that in the process, the change in energy of a system is equal to the heat absorbed (q) by the system and the work (w) done on it

Answer 19

The First Law of Thermodynamics

Question 20

characterized by a free exchange of matter and energy

Answer 20

Open System

Question 21

Heat (q) and work (w) are _________ when they enter the system

Answer 21

Positive

Question 22

The law implies that the net energy flow to or from any system comes in the form of either

Answer 22

Work or Heat

Question 23

depends on the path by which a system in one state is changed into another state. The value changes depends how the system came to be

Answer 23

Path Function

Question 24

“energy cannot be created nor destroyed. It can be transformed into another form, but the total amount of energy remains the same”

Answer 24

First Law of Thermodynamics: Law of Conservation Energy

Question 25

there is still a free exchange of energy but in terms of matter, the exchange with the surroundings is not possible due to an impermeable wall which not allows the flow of mass from system to surroundings and vice-versa

Answer 25

Closed System

Question 26

the exchange of both matter and energy to the surrounding is not possible because of having a wall that is impermeable and adiabatic

Answer 26

Isolated System

Question 27

include everything else except the system in the universe

Answer 27

Surrounding

Question 28

value of a given property depends only on the state of the system. It is independent of the manner the state is attained

Answer 28

State Function

Question 29

Work done by the system

Answer 29

-w

Question 30

is the amount of heat required to raise its temperature by 1 K (or 1 °C) of 1 g of a substance

Answer 30

Specific heat capacity (c)

Question 31

separate the system and the surroundings

Answer 31

Boundary/Wall

Question 32

“thermes”

Answer 32

heat

Question 33

Heat added to the system

Answer 33

Endothermic (+q)

Question 34

the change in heat in any physical or chemical processes are measured with an instrument called

Answer 34

Calorimetr

Question 35

both matter and energy can flow from the system to the surroundings or from surroundings to system

Answer 35

Open System

Question 36

Heat added to the system

Answer 36

Endothermic (+q)

Question 37

q (+) and w (-) q (-) and w (+) internal energy?

Answer 37

The sign of ΔE depends on the magnitude of q and w

Question 38

A system can exchange energy with its surrounding through heat, work, or both.

Answer 38

The First Law of Thermodynamics

Question 39

allowing heat to pass through

Answer 39

non-adiabatic

Question 40

It can be permeable or impermeable

Answer 40

Boundary/Wall

Question 41

nom-rigid

Answer 41

movable

Question 42

Heat (q) and work (w) are _________ when they leave the system

Answer 42

Negative

Question 43

From the Greek word : “thermes” - heat , “dynamo” - power

Answer 43

Thermodynamics

Question 44

Thermodynamics Properties may be

Answer 44

Extensive Property Intensive Property

Question 45

It determines if the system expands or compressed

Answer 45

Work

Question 46

“dynamo”

Answer 46

power

Question 47

Ex.: Work and Heat

Answer 47

Path Function

Question 48

Thermodynamics Properties can also be

Answer 48

State Function Path Function

Question 49

is the process of measuring the amount of heat that is either released or absorbed during a physical or chemical reaction

Answer 49

Calorimetry

Question 50

It is the sum of Potential Energy and Kinetic Energy within the system.

Answer 50

Internal Energy

Question 51

It is the transfer of energy as orderly motion

Answer 51

Work

Question 52

Ex.: volume, pressure, internal energy, entropy

Answer 52

State Function

Question 53

Thermodynamics only deals the

Answer 53

Change in Internal Energy

Question 54

specific part of the universe that is under our interest

Answer 54

System

Question 55

q (-) and w (-), internal energy?

Answer 55

decreases

Question 56

heat cannot be pass through

Answer 56

adiabatic

Question 57

It is a state function

Answer 57

Internal Energy

Question 58

rigid

Answer 58

immovable

Question 59

Value depends on the amount of material present. (e.g: mass, volume, internal energy)

Answer 59

Extensive Property

Question 60

Enable us to understand the energetics and directions of reactions.

Answer 60

Thermodynamics