The first law of thermodynamics
The first law of thermodynamics
Agenda Today ·Heat and energy The first law of thermodynamics Isothermal process,constant-volume process And constant-pressure process Adiabatic process
Agenda Today • Heat and energy • The first law of thermodynamics • Isothermal process, constant-volume process And constant-pressure process Adiabatic process
Heat: The energy transferred from one body to another due to the difference in temperature Its unit: calorie Specific heat(比热) cm△T
Heat: The energy transferred from one body to another due to the difference in temperature Its unit: calorie Specific heat(比热）
The zeroth law of thermodynamics: If bodies A and B are each in thermal equilibrium with a third body T,then they are in thermal equilibrium with each other. Or in plain word,we could use a certain property to describe the state of body in thermal equilibrium
The zeroth law of thermodynamics: If bodies A and B are each in thermal equilibrium with a third body T, then they are in thermal equilibrium with each other. Or in plain word, we could use a certain property to describe the state of body in thermal equilibrium
Temperature and temperature scales 标)： Kelvin scale: Celsius scale: Fahrenheit scale: T=T-273.15 2 +3
Temperature and temperature scales（温 标）: Kelvin scale: Celsius scale: Fahrenheit scale: