1st Law of thermodynamics is normally related to

1st Law of thermodynamics is normally related to
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1 Answer

Answer :

Law of conservation of
energy
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Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass?(A) dE = Tds - PdV (B) dQ = CvdT + PdV (C) dQ = CpdT + Vdp (D) Tds = dE - PdV

Description : Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? (A) dE = Tds - PdV (B) dQ = CvdT + PdV (C) dQ = CpdT + Vdp (D) Tds = dE - PdV

Last Answer : (A) dE = Tds - PdV

1st law of thermodynamics is nothing but the law of conservation of (A) Momentum (B) Mass (C) Energy (D) None of these

Description : 1st law of thermodynamics is nothing but the law of conservation of (A) Momentum (B) Mass (C) Energy (D) None of these

Last Answer : (C) Energy

Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics. (A) 1st (B) Zeroth (C) 3rd (D) None of these

Description : Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics. (A) 1st (B) Zeroth (C) 3rd (D) None of these

Last Answer : B) Zeroth

The 1st Law of Thermodynamics on what principle?  a. Conservation of Energy  b. Conservation of mass  c. Enthalpy  d. Isometric

Description : The 1st Law of Thermodynamics on what principle?  a. Conservation of Energy  b. Conservation of mass  c. Enthalpy  d. Isometric

Last Answer : Conservation of Energy

Pick out the wrong statement. (A) A refrigeration cycle violates the second law of thermodynamics (B) Refrigeration cycle is normally represented by a temperature vs. entropy plot (C) In a refrigerator, work required decreases as the temperature of the refrigerator and the temperature at which heat is rejected increases (D) One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW

Description : Pick out the wrong statement. (A) A refrigeration cycle violates the second law of thermodynamics (B) Refrigeration cycle is normally represented by a temperature vs. entropy plot (C) In a refrigerator, ... (D) One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW

Last Answer : (A) A refrigeration cycle violates the second law of thermodynamics

When a gas is expanded from high pressure region to low pressure region; temperature change occurs". This phenomenon is related to the (A) Gibbs-Duhem equation (B) Gibbs-Helmholtz equation (C) Third law of thermodynamics (D) Joule-Thomson effect

Description : When a gas is expanded from high pressure region to low pressure region; temperature change occurs". This phenomenon is related to the (A) Gibbs-Duhem equation (B) Gibbs-Helmholtz equation (C) Third law of thermodynamics (D) Joule-Thomson effect

Last Answer : (D) Joule-Thomson effect

Why does Science hold the First Law of Thermodynamics so highly when it actually states we could not possibly exist?

Description : Why does Science hold the First Law of Thermodynamics so highly when it actually states we could not possibly exist?

Last Answer : Rewording this would be tricky. Do you suggest “Matter can only be created by God, and cannot be created or destroyed, only changed, by man.”?

Applying the first law of thermodynamics - What do you think about dark energy as a new energy source?

Description : Applying the first law of thermodynamics - What do you think about dark energy as a new energy source?

Last Answer : i honestly think cold fusion will happen before we control DM. And to be honest i think DM and Anti-matter will be one of those things that are going to truly be beyond our time. ... story by 1000ft set of solar panels constantly collecting energy? Talk about killing our dependency on fossil fuels.

the second law of thermodynamics states that _____ -General Knowledge

Description : the second law of thermodynamics states that _____ -General Knowledge

Last Answer : when a process converts energy from one form to another, some energy converts into heat, an unusable form of energy

The first law of thermodynamics is concerned with the conservation of which thing? -General Knowledge

Description : The first law of thermodynamics is concerned with the conservation of which thing? -General Knowledge

Last Answer : The answer is 'Energy'

The first law of thermodynamics is concerned with the conservation of which thing? -General Knowledge

Description : The first law of thermodynamics is concerned with the conservation of which thing? -General Knowledge

Last Answer : answer:

What is the significance of the first law of thermodynamics ?

Description : What is the significance of the first law of thermodynamics ?

Last Answer : The significance of the first law of thermodynamics is mentioned below: It establishes the relationship between heat and work. According to this formula a certain amount of work is required to get a ... is not possible to invent an infinitely fast device or to get a job without expending energy.

What is the second law of thermodynamics ?

Description : What is the second law of thermodynamics ?

Last Answer : The second law of thermal dynamics has been variously described by different scientists. Of these, the statements of Planck , Kelvin and Clausius are the most famous. These are discussed below: 1 ... an uninterrupted supply of energy by cooling an object from the coldest part of its surroundings.

What is thermodynamics law of energy?

Description : What is thermodynamics law of energy?

Last Answer : It simply states that energy can neither be created nor be destroyed...it can be transformed from one form to another...this is also called as law of conservation of energy

Which of the following provide exceptions to third law of thermodynamics ?

Description : Which of the following provide exceptions to third law of thermodynamics ?

Last Answer : Which of the following provide exceptions to third law of thermodynamics ? A. CO B. ice C. `CO_(2)` D. All the above

The first law of thermodynamics is concerned with the conservation of

Description : The first law of thermodynamics is concerned with the conservation of

Last Answer : The first law of thermodynamics is concerned with the conservation of A. Total energy of a ... chemical change D. Mass changes in nuclear reactions

If a refrigerator is a heat pump that follows the first law of thermodynamics how much heat was removed from food inside of the refrigerator if it released 240J of energy to the room?

Description : If a refrigerator is a heat pump that follows the first law of thermodynamics how much heat was removed from food inside of the refrigerator if it released 240J of energy to the room?

Last Answer : Not enough information. The refrigerator must also follow theSecond Law.The energy released to the room is the energy removedfrom the room, PLUS the energy used by the refrigerator (forexample, as electrical energy).

Which of the following are formulations of the second law of thermodynamics?

Description : Which of the following are formulations of the second law of thermodynamics?

Last Answer : Mdufbrurir

The zeroth law of thermodynamics pertains to what relational condition that may exist between two systems?

Description : The zeroth law of thermodynamics pertains to what relational condition that may exist between two systems?

Last Answer : Thermal equilibrium

The first law of thermodynamics is simply the case of – (1) Charles law (2) Newton's law of cooling (3) The law of heat exchange (4) The law of conservation of energy

Description : The first law of thermodynamics is simply the case of – (1) Charles law (2) Newton's law of cooling (3) The law of heat exchange (4) The law of conservation of energy

Last Answer : (4) The law of conservation of energy Explanation: The first law of thennodynamics is a version of the law of conservation of energy for thermodynamic systems. It states That the change in the internal energy of a system is equal to the heat added to the system plus the work done on the system.

The first law of thermodynamics is concerned with the conservation of which thing?

Description : The first law of thermodynamics is concerned with the conservation of which thing?

Last Answer : Energy

Which law of thermodynamics introduces the concept of entropy?

Description : Which law of thermodynamics introduces the concept of entropy?

Last Answer : Second law

State First Law of thermodynamics.

Description : State First Law of thermodynamics.

Last Answer : Ans. Energy can neither be created nor destroyed. The energy of an isolated system is constant. ∆U=q+ w.

(i)State why heat changes in physical and chemical processes are indicated by enthalpy changes and not by entropy changes? (ii)What are the limitations of First Law of thermodynamics?

Description : (i)State why heat changes in physical and chemical processes are indicated by enthalpy changes and not by entropy changes? (ii)What are the limitations of First Law of thermodynamics?

Last Answer : (i) Most of the processes are carried out in an open system i.e, at constant pressure. (ii)(a) Can’t explain the feasibility of the reaction. (b)It poses no restriction on the direction of flow of heat. (c)Practically it is not possible to convert the heat energy into an equivalent amount of work.

State First law of thermodynamics. Give its mathematical expression.

Description : State First law of thermodynamics. Give its mathematical expression.

Last Answer : Ans. Energy can neither be created nor destroyed but can be transformed from one form to another. ΔU = q + w

First law of thermodynamics is a restatement of which law?

Description : First law of thermodynamics is a restatement of which law?

Last Answer : Ans. Law of conservation of energy.

Bernoulli's equation is dependent on the (A) First law of thermodynamics(B) Third law of thermodynamics(C) Law of conservation of momentum(D) None of these

Description : Bernoulli's equation is dependent on the (A) First law of thermodynamics (B) Third law of thermodynamics (C) Law of conservation of momentum (D) None of these

Last Answer : (D) None of these

The first law of thermodynamics is a restatement of the law of conservation of (A) Mass (B) Energy (C) Momentum (D) None of these

Description : The first law of thermodynamics is a restatement of the law of conservation of (A) Mass (B) Energy (C) Momentum (D) None of these

Last Answer : (B) Energy

First law of thermodynamics is mathematically stated as (A) dQ = dE + dW (B) dQ = dE - dW (C) dE = dQ + dW (D) dW = dQ + dE

Description : First law of thermodynamics is mathematically stated as (A) dQ = dE + dW (B) dQ = dE - dW (C) dE = dQ + dW (D) dW = dQ + dE

Last Answer : First law of thermodynamics is mathematically stated as (A) dQ = dE + dW (B) dQ = dE - dW (C) dE = dQ + dW (D) dW = dQ + dE

_________ law of thermodynamics ascertains the direction of a particular spontaneous process. (A) Zeroth (B) First (C) Second (D) Third

Description : _________ law of thermodynamics ascertains the direction of a particular spontaneous process. (A) Zeroth (B) First (C) Second (D) Third

Last Answer : (C) Second

Second law of thermodynamics is concerned with the (A) Amount of energy transferred (B) Direction of energy transfer (C) Irreversible processes only (D) Non-cyclic processes only

Description : Second law of thermodynamics is concerned with the (A) Amount of energy transferred (B) Direction of energy transfer (C) Irreversible processes only (D) Non-cyclic processes only

Last Answer : (B) Direction of energy transfer

Which law of the thermodynamics provides basis for measuring the thermodynamic property? (A) First law (B) Zeroth law (C) Third law (D) Second law

Description : Which law of the thermodynamics provides basis for measuring the thermodynamic property? (A) First law (B) Zeroth law (C) Third law (D) Second law

Last Answer : B) Zeroth law

The third law of thermodynamics states that the (A) Heat capacity of a crystalline solid is zero at absolute zero temperature (B) Heat transfer from low temperature to high temperature source is not possible without external work (C) Gases having same reduced properties behaves similarly (D) None of these

Description : The third law of thermodynamics states that the (A) Heat capacity of a crystalline solid is zero at absolute zero temperature (B) Heat transfer from low temperature to high temperature source is ... without external work (C) Gases having same reduced properties behaves similarly (D) None of these

Last Answer : (A) Heat capacity of a crystalline solid is zero at absolute zero temperature

"At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero". This follows from the (A) Third law of thermodynamics (B) Second law of thermodynamics (C) Nernst heat theorem (D) Maxwell's relations

Description : "At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero". This follows from the (A) Third law of thermodynamics (B) Second law of thermodynamics (C) Nernst heat theorem (D) Maxwell's relations

Last Answer : (A) Third law of thermodynamics

Refrigeration cycle (A) Violates second law of thermodynamics (B) Involves transfer of heat from low temperature to high temperature (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Refrigeration cycle (A) Violates second law of thermodynamics (B) Involves transfer of heat from low temperature to high temperature (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (B) Involves transfer of heat from low temperature to high temperature

The first law of thermodynamics is a statement of conservation of (A) Heat (B) Momentum (C) Energy (D) Work

Description : The first law of thermodynamics is a statement of conservation of (A) Heat (B) Momentum (C) Energy (D) Work

Last Answer : (C) Energy

First law of thermodynamics deals with the (A) Direction of energy transfer (B) Reversible processes only (C) Irreversible processes only (D) None of these

Description : First law of thermodynamics deals with the (A) Direction of energy transfer (B) Reversible processes only (C) Irreversible processes only (D) None of these

Last Answer : (A) Direction of energy transfer

The second law of thermodynamics states that (A) The energy change of a system undergoing any reversible process is zero (B) It is not possible to transfer heat from a lower temperature to a higher temperature (C) The total energy of system and surrounding remains the same (D) None of the above

Description : The second law of thermodynamics states that (A) The energy change of a system undergoing any reversible process is zero (B) It is not possible to transfer heat from a lower temperature to a higher temperature (C) The total energy of system and surrounding remains the same (D) None of the above

Last Answer : (D) None of the above

Third law of thermodynamics is helpful in (A) Prediction of the extent of a chemical reaction (B) Calculating absolute entropies of substances at different temperature (C) Evaluating entropy changes of chemical reaction (D) Both (B) and (C)

Description : Third law of thermodynamics is helpful in (A) Prediction of the extent of a chemical reaction (B) Calculating absolute entropies of substances at different temperature (C) Evaluating entropy changes of chemical reaction (D) Both (B) and (C)

Last Answer : D) Both (B) and (C)

A refrigerator works on the principle of __________ law of thermodynamics. (A) Zeroth (B) First (C) Second (D) Third

Description : A refrigerator works on the principle of __________ law of thermodynamics. (A) Zeroth (B) First (C) Second (D) Third

Last Answer : (C) Second

Identify the correct statement. (A) Sphlerite is zinc oxide (B) The first law of the thermodynamics is stated as δE = δQ - δW (C) Lead can be produced in a blast furnace (D) T. ferrooxidans is a fungus that can be used for leaching chalcopyrite

Description : Identify the correct statement. (A) Sphlerite is zinc oxide (B) The first law of the thermodynamics is stated as δE = δQ - δW (C) Lead can be produced in a blast furnace (D) T. ferrooxidans is a fungus that can be used for leaching chalcopyrite

Last Answer : Option A

The first law of thermodynamics is concerned with the conservation of which thing?

Description : The first law of thermodynamics is concerned with the conservation of which thing?

Last Answer : Energy

When a cell becomes more ordered, one of the characteristics of life, what must happen in the rest of the universe? Which Law of Thermodynamics does this reflect?

Description : When a cell becomes more ordered, one of the characteristics of life, what must happen in the rest of the universe? Which Law of Thermodynamics does this reflect?

Last Answer : When a cell becomes more ordered, the rate of energy transfer or transformation decreases, and so must the rate at which entropy of the universe increases; the universe will become more ordered ... should slow down as a cell becomes more ordered, meaning less energy transfer or transformation.

Explain The Second Law Of Thermodynamics?

Description : Explain The Second Law Of Thermodynamics?

Last Answer : The entropy of the universe increases over time and moves towards a maximum value.

State The Third Law Of Thermodynamics. Give Its Limitations And Importance.?

Description : State The Third Law Of Thermodynamics. Give Its Limitations And Importance.?

Last Answer : The third law of thermodynamics states that: The entropy of a perfect crystal of each element and a compound is zero at absolute zero. Limitations: If any disorder like impurity or imperfection is ... be measured. 2. This law helps in explaining the behaviour of solids at very low temperature.

This law of thermodynamics prohibits the construction of a perpetual motion machine “of the second kind”  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Description : This law of thermodynamics prohibits the construction of a perpetual motion machine “of the second kind”  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Last Answer : Second Law of Thermodynamics

As temperature goes to “0”, the entropy approaches a constant  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Description : As temperature goes to “0”, the entropy approaches a constant  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Last Answer : Third Law of Thermodynamics

If two systems are in the thermal equilibrium with a third system, then they must be in thermal equilibrium with each other.  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Description : If two systems are in the thermal equilibrium with a third system, then they must be in thermal equilibrium with each other.  a. Zeroth Law of Thermodynamics  b. First Law of Thermodynamics  c. Second Law of Thermodynamics  d. Third Law of Thermodynamics

Last Answer : Zeroth Law of Thermodynamics

Which law that states “Entropy of all perfect crystalline solids is zero at absolute zero temperature”?  a. Zeroth law of thermodynamics  b. First law of thermodynamics  c. Second law of thermodynamics  d. Third law of thermodynamics

Description : Which law that states “Entropy of all perfect crystalline solids is zero at absolute zero temperature”?  a. Zeroth law of thermodynamics  b. First law of thermodynamics  c. Second law of thermodynamics  d. Third law of thermodynamics

Last Answer : Third law of thermodynamics