2019-10-29T17:14:01+03:00[Europe/Moscow] en true term "thermodynamics" was first used in the publication of, indicates that rate of heat conduction in a direction is proportional to the temperature gradient in that direction, when a body is resistant to heat, it is called, boundary of a control volume, which may either real or imaginary, best conductor of heat, amount of energy needed to change a given mass of ice to water at constant temperature, refers to the portion of the internal energy of a system associated with kinetic energies of molecules, second law of thermodynamic, which state that no heat engine can have a thermal efficiency of 100%, second law of thermodynamic, which state that no device can transfer heat from cooler body to a warmer one without leaving an effect on surroundings, if a system at chemical equilibrium is distrubuted by some stress, the system goes to a new equilibrium condition to relieve stress, law that if a process can be written as the sum of several stepwise processes, the enthalpy change the total process equals sum of the enthalphy changes of various steps, formulated the zeroth law of thermodynamics, coined the word "energy", the amount of light output in lumens per watts of electricity consumed, carnot cycle is composed of how many reversible processes, processes involved in Carnot cycle, heat transfer by mixing, during adiabatic, internally reversible process, entropy is, effects of viscosity of liquids, invented the barometer, random motion of particles suspended in a fluid is called, formation of pockets of gas in a liquid, volume of a definite quantity of dry gas is inversely proporional to pressure provided temperature remains constant, bimetallic strip commonly found in home furnace thermostats uses, area of thermodynamics concerned with measuring of thermal properties, when water is warmed from 0 degrees Celsius to 6 degrees Celsius, temperature when water and vapor are in equilibrium with atmospheric pressure, terms refer to amount of heat needed to raise temperature of a unit mass of substance through one degree, Free Expansion Process, temperature of gas measures the, produced mathematical theory of wave mechanics where solution to his equations involve assigning integers to different parameters, law of thermodynamics which leads to definition of entropy, as temperature goes 0, entropy approaches a constant, if you open the refrigerator door of a well insulated kitchen, the room will, the temperature of drops when they collide and combine without exchanging energy with their environment, amount of heat required to raise one gram of water by one degree Celsius, has greatest influence on overall efficiency of conventional electric generating station burning fossil fuels, energy of molecular motion in a gas, deposition of radiant energy as heat into an absorbing body, universe will be at the same temperature everywhere, laws of thermodynamics often invoked to discredit attempts at perpetual motion, some heat transfer occurs in a reversible polytropic process (true or false), operates the reverse of the heat engine, property of a substance which remains constant if no heat enters of leaves the system, phenomenon of melting under pressure and freezing again when pressure is reduced, british thermal unit, or BTU is the amount of heat required to raise on pound of this material; one degree fahrenheit, part of a nuclear power plant that prevents thermal pollution of lakes or rivers, heat is transferred in extra-terrestrial space by, four cycle internal combustion automobile engine operates in this cycle, a carnot cycle made to run backwards, internal energy of a perfect gas depends on, processes which occur without the addition or withdrawal of heat from surrounding, in regions where fluid velocity is smaller, the pressure is higher, and vice versa, diffusion due to thermal motion, two different gases have same volume, temperature, and pressure and behave like ideal gases also has identical, cycle which eventually return to first state of the first process, fixed quantity of mass selected for the purpose of study, not all energy received as heat by a heat-engine cycle can be converted into mechanical work, some are also rejected, law states that total volume of a mixture of non reacting gases is equal to sum of partial volumes, variable that is a function of enthalpy and entropy of the system, solubility of gas in a liquid is directly proportional to the partial pressure of the gas above the solution, minimum amount of radioactive amterial needed to sustain a nuclear chain reaction, heat engine whose thermodynamic efficiency is greater than that of a carnot device using the same energy reservoir, reversible process used to form a carnot cycle, area under the curve on a temperature-entropy diagram, increasing the temperature of an ideal gas increases, energy stored in a substance by virtue of the activity and configuration of its molecules and of vibration of atoms within molecules, known as total heat and heat content at various times in history and represents the useful energy of a substance, specific property is also, the quantity of the substance leaving the system is equal to the substance entering the system, pressure of a given quantity of has is held constant, states that a constant pressure and temperature, the volume of a gas is directly proportional to the number of moles, refers to heat needed to change the temperature of the substances without changing its phase, refers to amount of energy absorbed or released during phase-change process, refers to the transfer of energy between a solid surface and the adjacent fluid that is in motion, defined as the quantity of heat needed to raise the temperature of one kilogram of water by one degree Celsius, what happens to the internal energy of water at reference temperature where enthalpy is zero, entropy of all perfect crystalline solids is zero at absolute zero temperature, what should be the temperature of both water and steam whenever they are present together, radiation emitted must be equal the radiation absorbed at equilibrium, predicts the approximate molar specific heat at high temperatures from the atomic weight, ideal gas whose specific heats area constant, state of a simple compressible system is completely specified by two independent intensive properties, theory that heat consisted of a fluid, which could be transferred from one body to another, but not created or destroyed, compare adiabatic process to an isentropic process, the temperature at which the water vapor in the glue gas begins to condense in a constant pressure process, developed third law of thermodynamics, total volume of a mixture of nonreacting gases is equal to the sum of the partial volumes, thermal inertia of a thermodynamic system is known as, at what temperature is celsius and fahrenheit numerically the same, 1st law of thermodynamics, process that has no heat transfer, theory of changing heat into mechanical work flashcards
Thermodynamics questions

Thermodynamics questions

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  • term "thermodynamics" was first used in the publication of
    William Rankine
  • indicates that rate of heat conduction in a direction is proportional to the temperature gradient in that direction
    Fourier's Law of Heat Conduction
  • when a body is resistant to heat, it is called
    Thermoduric
  • boundary of a control volume, which may either real or imaginary
    Control Surface
  • best conductor of heat
    Diamond
  • amount of energy needed to change a given mass of ice to water at constant temperature
    Fusion
  • refers to the portion of the internal energy of a system associated with kinetic energies of molecules
    Sensible Energy
  • second law of thermodynamic, which state that no heat engine can have a thermal efficiency of 100%
    Kelvin-Plank Statement
  • second law of thermodynamic, which state that no device can transfer heat from cooler body to a warmer one without leaving an effect on surroundings
    Clausius Statement
  • if a system at chemical equilibrium is distrubuted by some stress, the system goes to a new equilibrium condition to relieve stress
    Le Chatelier's Principle
  • law that if a process can be written as the sum of several stepwise processes, the enthalpy change the total process equals sum of the enthalphy changes of various steps
    Hess Law
  • formulated the zeroth law of thermodynamics
    R.H. Fowler
  • coined the word "energy"
    Thomas Young
  • the amount of light output in lumens per watts of electricity consumed
    Light Efficacy
  • carnot cycle is composed of how many reversible processes
    4
  • processes involved in Carnot cycle
    Two Adiabatic, Two Isothermal
  • heat transfer by mixing
    Convection
  • during adiabatic, internally reversible process, entropy is
    Always Zero
  • effects of viscosity of liquids
    Laminar Flow
  • invented the barometer
    Torricelli
  • random motion of particles suspended in a fluid is called
    Brownian Motion
  • formation of pockets of gas in a liquid
    Cavitation
  • volume of a definite quantity of dry gas is inversely proporional to pressure provided temperature remains constant
    Boyle's Law
  • bimetallic strip commonly found in home furnace thermostats uses
    Thermal Expansion
  • area of thermodynamics concerned with measuring of thermal properties
    Calorimetry
  • when water is warmed from 0 degrees Celsius to 6 degrees Celsius
    Contract first then expand
  • temperature when water and vapor are in equilibrium with atmospheric pressure
    Steam Point
  • terms refer to amount of heat needed to raise temperature of a unit mass of substance through one degree
    Specific Heat
  • Free Expansion Process
    heat rejected is zerowork done is zeroheat supplied is zero
  • temperature of gas measures the
    Average KE of particles in gas
  • produced mathematical theory of wave mechanics where solution to his equations involve assigning integers to different parameters
    Edwin Schrodinger
  • law of thermodynamics which leads to definition of entropy
    Second Law
  • as temperature goes 0, entropy approaches a constant
    Third Law of Thermodynamics
  • if you open the refrigerator door of a well insulated kitchen, the room will
    Heat up
  • the temperature of drops when they collide and combine without exchanging energy with their environment
    Increase
  • amount of heat required to raise one gram of water by one degree Celsius
    Calorie
  • has greatest influence on overall efficiency of conventional electric generating station burning fossil fuels
    Steam temperature at steam turbine inlet
  • energy of molecular motion in a gas
    Temperature
  • deposition of radiant energy as heat into an absorbing body
    Insolation
  • universe will be at the same temperature everywhere
    Entropy Death
  • laws of thermodynamics often invoked to discredit attempts at perpetual motion
    Second Law of Thermodynamics
  • some heat transfer occurs in a reversible polytropic process (true or false)
    True
  • operates the reverse of the heat engine
    Thermal Pump
  • property of a substance which remains constant if no heat enters of leaves the system
    Entropy
  • phenomenon of melting under pressure and freezing again when pressure is reduced
    Regelation
  • british thermal unit, or BTU is the amount of heat required to raise on pound of this material; one degree fahrenheit
    Water
  • part of a nuclear power plant that prevents thermal pollution of lakes or rivers
    Cooling Tower
  • heat is transferred in extra-terrestrial space by
    Radiation
  • four cycle internal combustion automobile engine operates in this cycle
    Otto
  • a carnot cycle made to run backwards
    Refrigerator
  • internal energy of a perfect gas depends on
    Temperature
  • processes which occur without the addition or withdrawal of heat from surrounding
    Adiabatic
  • in regions where fluid velocity is smaller, the pressure is higher, and vice versa
    Bernoulli
  • diffusion due to thermal motion
    Effusion
  • two different gases have same volume, temperature, and pressure and behave like ideal gases also has identical
    Total molecular kinetic energy
  • cycle which eventually return to first state of the first process
    Series Cycle
  • fixed quantity of mass selected for the purpose of study
    Closed System
  • not all energy received as heat by a heat-engine cycle can be converted into mechanical work, some are also rejected
    2nd Law of Thermodynamics
  • law states that total volume of a mixture of non reacting gases is equal to sum of partial volumes
    Azamat's Law
  • variable that is a function of enthalpy and entropy of the system
    Gibb's Free Energy
  • solubility of gas in a liquid is directly proportional to the partial pressure of the gas above the solution
    Henry's Law
  • minimum amount of radioactive amterial needed to sustain a nuclear chain reaction
    Critical Mass
  • heat engine whose thermodynamic efficiency is greater than that of a carnot device using the same energy reservoir
    Perpetual machine of the second kind
  • reversible process used to form a carnot cycle
    Isothermal, Adiabatic
  • area under the curve on a temperature-entropy diagram
    Heat
  • increasing the temperature of an ideal gas increases
    Number of dissociaton products
  • energy stored in a substance by virtue of the activity and configuration of its molecules and of vibration of atoms within molecules
    Internal Energy
  • known as total heat and heat content at various times in history and represents the useful energy of a substance
    Enthalpy
  • specific property is also
    Intensive Property
  • the quantity of the substance leaving the system is equal to the substance entering the system
    Law of Conservation of Mass
  • pressure of a given quantity of has is held constant
    Charles' Law
  • states that a constant pressure and temperature, the volume of a gas is directly proportional to the number of moles
    Avogadro's Law
  • refers to heat needed to change the temperature of the substances without changing its phase
    Sensible Heat
  • refers to amount of energy absorbed or released during phase-change process
    Latent Heat
  • refers to the transfer of energy between a solid surface and the adjacent fluid that is in motion
    Convection
  • defined as the quantity of heat needed to raise the temperature of one kilogram of water by one degree Celsius
    Kilocalorie
  • what happens to the internal energy of water at reference temperature where enthalpy is zero
    Becomes Negative
  • entropy of all perfect crystalline solids is zero at absolute zero temperature
    Third Law of Thermodynamics
  • what should be the temperature of both water and steam whenever they are present together
    One hundred degrees centigrade
  • radiation emitted must be equal the radiation absorbed at equilibrium
    Kirchoff's Law
  • predicts the approximate molar specific heat at high temperatures from the atomic weight
    Law of Dulong Petit
  • ideal gas whose specific heats area constant
    Perfect Gas
  • state of a simple compressible system is completely specified by two independent intensive properties
    State Postulate
  • theory that heat consisted of a fluid, which could be transferred from one body to another, but not created or destroyed
    Caloric Theory
  • compare adiabatic process to an isentropic process
    Both heat transfer is zero and isentropic is reversible
  • the temperature at which the water vapor in the glue gas begins to condense in a constant pressure process
    Dew Point
  • developed third law of thermodynamics
    Walther Nernst
  • total volume of a mixture of nonreacting gases is equal to the sum of the partial volumes
    Amagat's Law
  • thermal inertia of a thermodynamic system is known as
    Entropy
  • at what temperature is celsius and fahrenheit numerically the same
    - 40
  • 1st law of thermodynamics
    Energy can neither be created nor destroyed
  • process that has no heat transfer
    Isentropic/Adiabatic
  • theory of changing heat into mechanical work
    Thermodynamics