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Air-breathing animals do not return to breathing water.

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No, irreversible is an adjective. The noun could be irreversibility or irreversibleness (both mean that something cannot be undone).

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No, the word 'irreversible' is an adjective, a word used to describe a noun.

The noun form of the adjective 'irreversible' is irreversibility.

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Irreversibility.

Also, something which, once done, cannot be changed, is irrevocable.

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Such an equation would represent an ill-posed problem for all positive time (i.e. the solution is not defined). The irreversibility of diffusive processes is closely related to the second law of thermodynamics.

Petr

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Evidence of a chemical change includes the formation of new substances with different properties, such as changes in color, temperature, odor, or formation of a precipitate. Other signs may include the release or absorption of energy, such as light or heat, and irreversibility of the change.

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Communication is generally considered to be irreversible once it has occurred. Once a message is sent or expressed, the recipient has received it, and the impact of that communication cannot be undone, even if the sender attempts to clarify or retract their message later. This irreversibility highlights the importance of thoughtful communication, as the effects can linger long after the words have been spoken or written.

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No. No engine can be 100% efficient. The Carnot cycle is mathematically proven to provide an upper bound for efficiency. The efficiency of the Carnot cycle can be calculated from the formula:

eta = 1 - Tc/TH

where

is eta is efficiency

Tc is the temperature of the heat sink

TH is the temperature of the heat source.

The only way to make the (theoretical) efficiency 100% would be to have a heat sink at absolute zero (which is impossible due to the 2nd law of thermodynamics) or to have the heat source at a temperature of infinity (which is impossible due to the 1st law). Real engines always operate at an efficiency less than the theoretical because they operate on a less efficient cycle and/or posses real irreversibility in their operation. Consequently no engine - real or theoretical - can operate at 100% efficiency.

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Pyruvate decarboxylation is an irreversible reaction in cellular metabolism where pyruvate is converted into acetyl-CoA and carbon dioxide, primarily in the mitochondria. This process is catalyzed by the pyruvate dehydrogenase complex and is a key step linking glycolysis to the citric acid cycle. Due to its irreversibility, pyruvate decarboxylation cannot be reversed under normal physiological conditions, as the release of CO2 makes it energetically unfavorable to revert the reaction.

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Entropy is a measure of disorder or randomness in a system, reflecting the number of possible arrangements of its components. In thermodynamics, it quantifies the energy in a system that is not available to do work, signifying the irreversibility of natural processes. Higher entropy indicates a greater degree of disorder and energy dispersion, while lower entropy suggests more ordered states. In information theory, entropy quantifies the uncertainty or information content associated with a random variable.

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Men may be reluctant to get a vasectomy due to a variety of factors, including fear of surgery, concerns about potential side effects, and misconceptions about the procedure's irreversibility. Societal pressures and traditional views on masculinity can also play a role, as some men may feel that undergoing a vasectomy challenges their virility. Additionally, a lack of open communication about reproductive health may lead to misunderstandings about the benefits and safety of the procedure.

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A good student might respond by asking for clarification on what Dr. Haxton means by "truly irreversible," as many reactions can appear irreversible under certain conditions but may still be reversible given different circumstances. They might also inquire about the specific reaction he found and the evidence supporting its irreversibility. Additionally, the student could express interest in the implications of this finding for understanding chemical processes in general.

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The irreversibility of color changes on thermochromic labels for meat is crucial because it provides a clear and reliable indication of temperature exposure, helping consumers and retailers assess the safety and freshness of the product. Once the color change occurs, it signals that the meat may have been stored at unsafe temperatures, thus preventing the consumption of potentially spoiled or unsafe food. This feature enhances food safety, reduces the risk of foodborne illnesses, and aids in inventory management for retailers.

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The second law of thermodynamics highlights the direction of energy transfer and the efficiency of energy conversions, emphasizing that energy tends to disperse or spread out over time. This principle is crucial in understanding natural processes, guiding the development of engines and refrigerators, and informing the design of sustainable energy systems. It also introduces the concept of entropy, which helps us understand the irreversibility of certain processes and the tendency of systems to move toward disorder, providing insights into the limits of energy use and conversion efficiency.

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Evolutionary trends are either progressive or retrogressive. During progressive evolution new structures are created whereas in retrogressive evolution the existing structures are reduced or eliminated.

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James Watt's steam engine exemplifies the laws of thermodynamics, particularly the first and second laws. The first law, which states that energy cannot be created or destroyed, is demonstrated as the engine converts heat energy from steam into mechanical work. The second law highlights the concept of entropy, as the engine's efficiency is limited by the irreversibility of energy transformations and the necessity of heat loss to the environment, which prevents 100% conversion of heat into work. Thus, Watt's innovations improved efficiency while adhering to these fundamental principles.

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These are the clues to tell if it's a chemical change or not1. Change in color

2. Energy change (cools, heats, light, sound)

3. Gas production

4. Odour change

5. Precipitate production (eg. 2 liquids forming a solid substance)

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Try this smart one ! 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19 answers


Editing or rewording a poorly expressed question improves chances of getting a quick and accurate answer. also you make a account and change it to what ever you want it to such as ( How to tickle a pig) someone can change it to a stupid answer such as rub its head and thats wrong because it is rub your hand around its ear thats the right answer. <3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

2 answers



I Dunno?!?! What Ever You Want It To Mean !!! DUHHHH...!!! <3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

1 answer


3-(3!-3)=1

3-3/3=2

3-3+3=3

3+3/3=4

3!-(3/3)=5

3!-3+3=6

3!+(3/3)=7

3!+(3!/3)=8

3+3+3=9

3!/(.3+.3)=10

1 answer


3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 34 3 23 2 2 2 2

1 answer


3+3+3+3+3+3+3+3+3= 27

or

3*3*3 = 27

or

3^3 = 27

1 answer


1= 3/3

2=(3+3)/3

3= 3+3-3

4=(3+3+3+3)/3

5=(3+3+3+3+3)/3

6=(3+3+3+3+3+3)/3

and so on

1 answer


43,046,721 = 316, or 3*3*3*3*3*3*3*3*3*3*3*3*3*3*3*3.

The related link does it for you.

1 answer


243 = 3*3*3*3*3

243 = 3*3*3*3*3

243 = 3*3*3*3*3

243 = 3*3*3*3*3

2 answers


i love you <3 <3 <3 <3 <3 <3 <3 <3 <3 <3 <3 <3 <3 <

1 answer


312 = 3*3*3*3*3*3*3*3*3*3*3*3 = 531441

1 answer


One way is (3/.3)^[(3+3)/3] = (3/.3)^(6/3) = (3/.3)^2 = 102 = 100

1 answer


3*3 + 3 + 3/3 = 9 + 3 + 1 = 13

3*3 + 3 + 3/3 = 9 + 3 + 1 = 13

3*3 + 3 + 3/3 = 9 + 3 + 1 = 13

3*3 + 3 + 3/3 = 9 + 3 + 1 = 13

2 answers


3^3+4^3+5^3 = 6^3

1^3+6^3+8^3 = 9^3

6^3+8^3+10^3 = 12^3

2^3+12^3+16^3 = 18^3

9^3+12^3+15^3 = 18^3

3^3+10^3+18^3 = 19^3

7^3+14^3+17^3 = 20^3

12^3+16^3+20^3 = 24^3

4^3+17^3+22^3 = 25^3

3^3+18^3+24^3 = 27^3

18^3+19^3+21^3 = 28^3

11^3+15^3+27^3 = 29^3

15^3+20^3+25^3 = 30^3

4^3+24^3+32^3 = 36^3

18^3+24^3+30^3 = 36^3

6^3+20^3+36^3 = 38^3

14^3+28^3+34^3 = 40^3

2^3+17^3+40^3 = 41^3

6^3+32^3+33^3 = 41^3

21^3+28^3+35^3 = 42^3

16^3+23^3+41^3 = 44^3

5^3+30^3+40^3 = 45^3

3^3+36^3+37^3 = 46^3

27^3+30^3+37^3 = 46^3

24^3+32^3+40^3 = 48^3

8^3+34^3+44^3 = 50^3

29^3+34^3+44^3 = 53^3

6^3+36^3+48^3 = 54^3

12^3+19^3+53^3 = 54^3

27^3+36^3+45^3 = 54^3

36^3+38^3+42^3 = 56^3

9^3+30^3+54^3 = 57^3

15^3+42^3+49^3 = 58^3

22^3+30^3+54^3 = 58^3

21^3+42^3+51^3 = 60^3

30^3+40^3+50^3 = 60^3

7^3+42^3+56^3 = 63^3

33^3+44^3+55^3 = 66^3

22^3+51^3+54^3 = 67^3

36^3+38^3+61^3 = 69^3

7^3+54^3+57^3 = 70^3

14^3+23^3+70^3 = 71^3

8^3+48^3+64^3 = 72^3

34^3+39^3+65^3 = 72^3

36^3+48^3+60^3 = 72^3

12^3+51^3+66^3 = 75^3

38^3+43^3+66^3 = 75^3

12^3+40^3+72^3 = 76^3

31^3+33^3+72^3 = 76^3

39^3+52^3+65^3 = 78^3

28^3+56^3+68^3 = 80^3

9^3+54^3+72^3 = 81^3

25^3+48^3+74^3 = 81^3

4^3+34^3+80^3 = 82^3

12^3+64^3+66^3 = 82^3

19^3+60^3+69^3 = 82^3

28^3+53^3+75^3 = 84^3

42^3+56^3+70^3 = 84^3

54^3+57^3+63^3 = 84^3

50^3+61^3+64^3 = 85^3

20^3+54^3+79^3 = 87^3

26^3+55^3+78^3 = 87^3

33^3+45^3+81^3 = 87^3

38^3+48^3+79^3 = 87^3

21^3+43^3+84^3 = 88^3

25^3+31^3+86^3 = 88^3

32^3+46^3+82^3 = 88^3

17^3+40^3+86^3 = 89^3

10^3+60^3+80^3 = 90^3

25^3+38^3+87^3 = 90^3

45^3+60^3+75^3 = 90^3

58^3+59^3+69^3 = 90^3

6^3+72^3+74^3 = 92^3

54^3+60^3+74^3 = 92^3

32^3+54^3+85^3 = 93^3

15^3+50^3+90^3 = 95^3

19^3+53^3+90^3 = 96^3

48^3+64^3+80^3 = 96^3

45^3+69^3+79^3 = 97^3

11^3+66^3+88^3 = 99^3

16^3+68^3+88^3 = 100^3

35^3+70^3+85^3 = 100^3

Therefore it's 30+ 70 = 100

1 answer



6

2 answers


As long as you are able to repeat numbers, one way of doing so is by saying:

3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 + 3 + 7 = 1480

1 answer


If you mean 3*3*3*3*3 then it is 3^5 = 243

1 answer



3

because if you add 1+1 is 2 and add 1 then it is 3

20 answers


9

3 + 3 * 3 - 3:

= 3 + (3 * 3) - 3

= 3 + 9 - 3

= 12 - 3

= 9

1 answer


2*(3*3 + 3*3 + 3*3) = 2*27 = 54 square feet.

2*(3*3 + 3*3 + 3*3) = 2*27 = 54 square feet.

2*(3*3 + 3*3 + 3*3) = 2*27 = 54 square feet.

2*(3*3 + 3*3 + 3*3) = 2*27 = 54 square feet.

2 answers



its Arabian sea and bay of Bengal

<3 P.S. MY ANSWERS R TOTS TRUUUUUUUEEEEEEEEE!!!!!!!!!!!!!<3<3<3<3<3<3<3<3PEACE OUT<3<3<3<3<3<3<3<3<3<3<3<3

2 answers


405 = (3)(3)(3)(3)(5)

486 = (3)(3)(3)(3)(3)(2)

(3)(3)(3)(3) = 81

1 answer






243

/ \

3 81

/ / \

3 3 27

/ / / \

3 3 3 9

/ / / / \

3 3 3 3 3

= 3 x 3 x 3 x 3 x 3

= 35

1 answer


3FT [] or [3]ft or 333333333

3 3

3 3

3 feet 3

3 3

333333333

1 answer


(3 x 3( - 3 =

9- 3 =

6

2 answers