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10 items
Thermodynamics
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What is the definition of enthalpy?
The amount of disorder or randomness in a system
The total internal energy of a system
The heat content of a system at constant pressure
What is the definition of specific heat capacity?
The heat required to raise the temperature of one gram of a substance by one degree Celsius
The amount of heat required to raise the temperature of a substance by one degree Celsius per mole
The total heat capacity of a substance
Which law of thermodynamics states that the entropy of a closed system never decreases?
Second law of thermodynamics
First law of thermodynamics
Third law of thermodynamics
What is the Carnot cycle used to represent?
The efficiency of engines
The phase change of a substance
The behavior of ideal gases
What is the first law of thermodynamics?
Entropy always increases
Energy can only be transferred or transformed
Energy cannot be created or destroyed
In which thermodynamic process does the change in internal energy equal the heat added to the system minus the work done by the system?
Isochoric process
Isobaric process
Adiabatic process
What is the formula for the ideal gas law?
F = ma
E = mc^2
PV = nRT
What is the main difference between adiabatic and isothermal processes?
Adiabatic processes involve constant temperature, while isothermal processes involve no heat exchange
There is no difference between adiabatic and isothermal processes
Adiabatic processes involve no heat exchange, while isothermal processes involve constant temperature
What is the unit of measurement for temperature in the SI system?
Fahrenheit
Celsius
Kelvin
What is the meaning of the term 'Thermodynamics'?
Study of heat at constant pressure
Study of thermometers
Study of heat and energy transfer
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