WorksheetsDMT50263 TOPIC 3 RECAP
Total questions: 10
Worksheet time: 10mins
Law of conservation of energy states that energy is following, EXCEPT?
can transform from one form to another
can be created
cannot be created
can transferred from one system to another
Energy due to the motion of molecules or vibration
of the substances in the system is _______________
Elastic Energy
Potential Energy
Heat Energy
Internal Energy
△U = Q - ____
w
P
V
PV
The total heat content of a system, equal to the internal energy of the system plus
the product of pressure and volume is ______________
Internal Energy
Thermal Diffusivity
Enthalpy
Transient Heat
H = ____ + PV
U
T
M
K
When the system absorbs heat, enthalpy changes is positive when the system releases heat,
enthalpy changes is negative
True
False
Specific heat capacity is defined as the
amount of heat content used or released in a system
amount of energy needed to raise the temperature
of 1 Kelvin
movement of heat is caused by the temperature difference
This is _______________specific heat equation.
Siebel's
Choi and Okos
This is _________ specific heat equation
Siebel's
Choi and Okos
Under certain conditions, solid, liquid and gaseous phase may
co-exist
True
False
