Number of results: 296
chemistry(thermodynamics)
questions related to thermodynamics
Friday, March 9, 2012 at 10:05am by werksow
Thermodynamics
I don't understand your „³ and ƒ´ symbols, nor what this has to do with thermodynamics
Friday, May 6, 2011 at 11:14pm by drwls
Physical Science
The study of heat and its relation to fluid properties, and the performance of work upon and by fluids, is called thermodynamics. The subject can be taught using two or three laws of thermodynamics, without dealing with kinetic theory. The kinetic theory of matter can be used ...
Tuesday, April 27, 2010 at 1:30pm by drwls
chemistry
What about thermodynamics? There are courses in thermodynamics, each lasting a semester or more. You're asking for several books. You should ask a specific question if you have one.
Saturday, February 11, 2012 at 9:58am by DrBob222
SCI
Please help me in understanding this. Differentiate between the First Law of Thermodynamics and the Second Law of Thermodynamics.
Tuesday, November 8, 2011 at 4:29pm by PENNY
science
what is the difference between the First Law of Thermodynamics and the Second Law of Thermodynamics.
Sunday, June 27, 2010 at 3:46pm by teine
thermodynamics
Heat always flows from the hotter body to the colder one, regardless of total energy content. That is one consequences of the Second Law of Thermodynamics
Monday, August 8, 2011 at 2:44pm by drwls
Thermodynamics 2nd Law
The 2nd law of thermodynamics states that “in any spontaneous process, the total entropy of the universe always increases”. Yet in biological systems there are processes where there is a decrease in entropy during a reaction. Give an example of a biological process ...
Thursday, May 5, 2011 at 12:21am by Nicole
sci 275
This site explains the second law of thermodynamics. http://www.allaboutscience.org/second-law-of-thermodynamics.htm
Monday, December 10, 2007 at 7:53pm by Ms. Sue
physics
Not from here. Try http://www.scribd.com/doc/3385/09-MC-Practice-heat-and-thermodynamics You can find others with Google and the search words <thermodynamics test multiple choice>
Friday, March 18, 2011 at 7:02pm by drwls
SCI
In order to talk about the differences, you would need to research each law. Try some of the following links for information: 1. http://search.yahoo.com/search?fr=mcafee&p=the+First+Law+of+Thermodynamics 2. http://search.yahoo.com/search?fr=mcafee&p=the+FSecondLaw+of+...
Tuesday, November 8, 2011 at 4:29pm by SraJMcGin
thermodynamics
Which of these statements are in accord with the three laws of thermodynamics? -A-The entropy of the universe never decreases -B-A nonspontaneous process can occur if it is coupled to a process which is sufficiently spontaneous -C-The temperature of the universe stays the same...
Sunday, April 29, 2007 at 4:34pm by anonymous
Chemsitry
Which of hte laws of thermodynamics provides a criterion for spontaneity? the zeroth law, the first law, the second law, and the third law? This site will give you zeroth, first, second, and third laws. You may need to scroll down a little but it on the right of center of the ...
Friday, April 27, 2007 at 2:54pm by Cindy
IPC
Zeroth Law of Thermodynamics = two objects in thermal equilibruim will have no net heat flow between them. **this only means that when two objects are in thermal equilibrium (or their temperature is the same/equal), heat is being transferred. this is a consequence of the ...
Tuesday, May 3, 2011 at 10:06am by Jai
PHYSICS-LAW OF THERMODYNAMICS
A dinner plate drops and breaks. This best illustrates the ______ law of THERMODYNAMICS A. 1st b. 2nd c. 3rd d. 4th I am inclined to say the 1st because energy can be neither created nor destroyed, it can only change forms. Thus the plate falling lost it's energy as a ...
Saturday, November 13, 2010 at 8:46am by Jael
science
Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth trophic levels? o Answer the...
Tuesday, August 24, 2010 at 4:51am by stephanie
environmental science
This site may help you. http://www.allaboutscience.org/second-law-of-thermodynamics.htm
Monday, March 10, 2008 at 3:38pm by Ms. Sue
thermodynamics
If I recall correctly, the British plural of ton is tonnes, and you are probably refering to metric tons (U.S. spelling), each with 1000 kg mass. It is not clear whether your 0.56 m/s is a speed or an acceleration rate. In the latter case, it should be written 0.56 m/s^2. This...
Tuesday, August 14, 2012 at 7:22am by drwls
env, sci
distinguish between the first law of thermodynamics energy and the second law of thermodynamics energy Energy as defined in both laws has the same meaning. It is the laws that are different. The second law involves the direction of heat flow, the role of temperature and a ...
Saturday, July 14, 2007 at 12:53am by Susan
physics
The laws of thermodynamics are obeyed everywhere. I don't know what you mean by an "example" of it. The formation of bubbles when a charged particle of high energy goes through superheated liquid hydrogen in a bubble chamber is an example of an irreversible ...
Thursday, May 28, 2009 at 10:27pm by drwls
biology
Try some of the following links for th at information: http://search.yahoo.com/search?fr=mcafee&p=what+is+the+second+law+of+thermodynamics.+ Sra
Thursday, March 3, 2011 at 4:02pm by SraJMcGin
science
First of all we do not know what you have chosen. Nor do we have access to any text and thererfore can not see Appendix C. Try the following: http://search.yahoo.com/search?fr=mcafee&p=2n+law+of+thermodynamics Sra
Tuesday, August 24, 2010 at 4:51am by SraJMcGin
physics
Which of the following is a True Statement? PLEASE EXPLAIN ANSWER A) It is possible for heat to flow spontaneously from a hot body to a cold one of from a cold one to a hot one, depending on whether or not the process is reversible or irreversible. B) It is impossible to ...
Monday, August 6, 2007 at 12:27am by stanbee
thermodynamics
UTeM
Monday, April 16, 2012 at 9:33am by U
Chem (Thermodynamics)
Ok thanks!
Wednesday, February 29, 2012 at 10:04pm by M
Chemistry -Thermodynamics
1. A 2. A 3. A 4. C 5. B
Saturday, April 21, 2007 at 2:58pm by P.L.
Chemistry
http://chemistry.about.com/od/thermodynamics/a/Heats-Of-Formation.htm
Friday, March 11, 2011 at 4:59pm by bobpursley
thermodynamics
sgfs\d
Monday, January 23, 2012 at 3:33am by ds
chemistry(thermodynamics)
Where?
Friday, March 9, 2012 at 10:05am by drwls
Thermodynamics
ask patzer
Tuesday, January 31, 2012 at 9:03pm by Anonymous
science
If you ARE studying that, there may be nothing simple about it! Please try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=simple+definition+for+the+2nd+law+of+Thermodynamics%3F+ Sra
Wednesday, May 25, 2011 at 6:25pm by SraJMcGin
Thermodynamics
i like feet
Monday, February 23, 2009 at 2:51am by wong
thermodynamics
Your post is not complete.
Saturday, February 2, 2013 at 11:05am by DrBob222
Chem (Thermodynamics)
I got "B". Can anyone verify?
Wednesday, February 29, 2012 at 10:36pm by M
chemistry
about thermodynamics
Saturday, February 11, 2012 at 9:58am by Anonymous
Mechanical
I need help with thermodynamics
Sunday, June 27, 2010 at 3:46pm by Rasghed
Biology
Try some of the following links re: thermodynamics for information: http://www.google.com/search?q=Using+the+fundamentals+of+thermodynamics%2C+explain+why+we+must+continue+to+eat+in+order+to+maintain+homeostasis%3F+&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:...
Friday, December 2, 2011 at 8:11pm by SraJMcGin
Thermodynamics
I would look at the output.
Monday, May 13, 2013 at 7:18pm by bobpursley
chemisttry
what is the significance of delta H,S,G in thermodynamics
Thursday, June 7, 2012 at 3:33pm by chemist
biology
what is the second law of thermodynamics.
Thursday, March 3, 2011 at 4:02pm by Anonymous
Thermodynamics
I mean in the piston cylinder system
Wednesday, March 13, 2013 at 7:21pm by Moussa
Chem (Thermodynamics)
That's right. Good work.
Wednesday, February 29, 2012 at 10:36pm by DrBob222
physics
is the bubble chamber an example of thermodynamics?if not then what?
Thursday, May 28, 2009 at 10:27pm by Chris
Thermodynamics
Thank you for giving such a detailed answer.
Sunday, May 3, 2009 at 6:18pm by charlie
thermodynamics
what is difrent between cp and cv
Thursday, January 1, 2009 at 2:22am by aru
thermodynamic
what is the difference between thermodynamics and heat transfer
Monday, June 20, 2011 at 2:12pm by mm
science
What is a simple definition for the 2nd law of Thermodynamics?
Wednesday, May 25, 2011 at 6:25pm by christina
PHYSICS-LAW OF THERMODYNAMICS
Thank you again, Mr. Bob!
Saturday, November 13, 2010 at 8:46am by Jael
Thermodynamics
Perfect. I do remember reading that before. Thanks so much for the help!
Monday, February 23, 2009 at 2:51am by chemstudent
physics/chemistry(Thermodynamics)!!!!!helppppp!
254-(-73)=327
Wednesday, May 15, 2013 at 9:57am by dukesouvik
thermodynamics
equal to 1/4 th of the heat rejected to the sink. the efficiency of the engine is
Saturday, February 2, 2013 at 11:05am by Anonymous
Chem (Thermodynamics)
I worked this a day or so ago and I think that's what I had.
Wednesday, February 29, 2012 at 10:04pm by DrBob222
Biology
4) Explain why organisms do not violate the second law of thermodynamics?
Tuesday, November 8, 2011 at 4:37pm by Cassie
Science
Can you please explain about the black hole thermodynamics?
Monday, September 26, 2011 at 8:33am by Michael
chemisttry
You need to refine your question a bit. Books are written on thermodynamics.
Thursday, June 7, 2012 at 3:33pm by DrBob222
Thermodynamics
Would someone explain entropy in simple terms please. Thanks.
Sunday, May 3, 2009 at 6:18pm by charlie
SCI 275
does thermodynamics have a direct effect on a food chain?
Friday, November 16, 2007 at 9:30pm by dawn
Engineering
How does an air conditioner use the first and second laws of thermodynamics?
Sunday, October 28, 2007 at 2:23pm by Kayla
thermodynamics (incomplete)
You need to say what the heat source temperature is. Then the efficiency can be calculated
Sunday, April 28, 2013 at 11:59pm by drwls
thermodynamics
how much of energy need to evaporate 1 kg moles of hydrated water
Friday, April 26, 2013 at 1:08pm by prabhakar
physics
1 mechanics 2 thermodynamics 3 vibrations 4optics 5optics
Friday, February 18, 2011 at 1:18am by WE Have the same text book
thermodynamics
how many molecules of air are there in 1 litre flask at 293K, if the preessure in it is 0.3 atm.
Saturday, March 31, 2012 at 7:10am by frank fred
Science
What is the realtionship between the second law of thermodynamics and Gibbs free energy
Wednesday, February 22, 2012 at 1:05pm by Steph
Thermodynamics
Thank you, seems to make sense, sorry was sure I heard differently in class.
Monday, March 15, 2010 at 7:47pm by spencer
Thermodynamics
I am pretty sure the temperature will decrease, there should be a heat transfer. Anyone verify this?
Monday, March 15, 2010 at 7:47pm by spencer
physics
'perpetual motion' is ruled out of the realm of possibility because of which law of thermodynamics?
Monday, May 12, 2008 at 7:41pm by shell
Chemistry
Is it the second law of thermodynamics that provides a criterion for spontaneity? I dont think so yes
Friday, March 30, 2007 at 3:46pm by Jennifer
thermodynamics
What are you calling hydrated water? q = mass H2O in mols x heat vaporization/mol
Friday, April 26, 2013 at 1:08pm by DrBob222
thermodynamics
It can't be correct because there is no temperature that low. Are you sure the two numbers had opposite signs?
Wednesday, February 18, 2009 at 2:40am by drwls
science
Try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=based+on+the+1st+%26+2nd+laws+of+thermodynamics%2C+how+does+energy+flow+through+your+ecosystem Sra
Monday, June 20, 2011 at 10:48pm by SraJMcGin
Biology
Using the fundamentals of thermodynamics, explain why we must continue to eat in order to maintain homeostasis?
Friday, December 2, 2011 at 8:11pm by Seth
thermodynamics
I don't see your figure, but why isn't the work done on the piston just equal to the final potential eneergy of the spring? You know what that is.
Sunday, January 9, 2011 at 12:12pm by drwls
environmental science
I need help understanding the second law of thermodynamics. These terms I just do not seem to understand.
Monday, March 10, 2008 at 3:38pm by Mimi
Physics
Was W performed upon or extracted from the system? Usually in thermodynamics, W is the work OUT. Qin - Wout = deltaU
Sunday, March 11, 2012 at 10:43pm by drwls
Thermodynamics
45
Friday, May 6, 2011 at 11:14pm by whats the mass of air contained in a room 240m in volume and pressure 200kpa a.t temperature 25c°
science
Based on the first and second laws of thermodynamics, explain how energy flows through your selected ecosystem
Monday, June 20, 2011 at 10:48pm by Anonymous
Physics
Use the Second law of thermodynamics to explain why an ice cube cools off your warm soda.
Thursday, November 18, 2010 at 9:17pm by Anonymous
Chem Check
The first law of thermodynamics is the application of the conservation of energy principle to heat and thermodynamic processes.
Thursday, June 10, 2010 at 8:39pm by Amy~
Thermodynamics
In a multiple-device flow system, I want to determine a state property. Where should I look for information, upstream or downstream?
Monday, May 13, 2013 at 7:18pm by Kyle
chemistry
How is it possible for a chemical rxn to be highly spontaneous and have a negative entropy value? Isn't this inconsistent with the 2nd law of thermodynamics?
Friday, April 13, 2012 at 10:56am by Anonymous
physics
A dinner plate drops and breaks. This best illustrates the ______ law of THERMODYNAMICS A. 1st b. 2nd c. 3rd d. 4th
Friday, November 12, 2010 at 12:59pm by Christina
sci 275
identify the fruit or vegatable you selected and relate the second law of thermodynamics to the changes in energy observed in appendix c.
Monday, December 10, 2007 at 7:53pm by mia
Science
Relative abundance of weight? If a hawk eats a fish and does not acquire all the energy in the fish's body because of the second law of thermodynamics then what implications would have a relative abundance by weight of predators and their prey? I understand the laws of ...
Wednesday, August 8, 2007 at 11:49pm by Rindi
Thermodynamics
I;m going to run through this and see if I can get it and understand it, the only thing I have a question about is why are we changing the percents to 70 and 30?
Sunday, September 16, 2007 at 1:08pm by Tracy
thermodynamics
cp is constant pressure cv is constant volume
Thursday, January 1, 2009 at 2:22am by Anonymous
science
Classical mechanics Relativity Thermodynamics Electromagnetism/Optics Quantum mechanics
Wednesday, August 29, 2007 at 8:17pm by ~christina~
Thermodynamics
If you were converting cubic inches to cubic feet, you would multiply by 1/1728, not 1/12.
Monday, March 1, 2010 at 8:01am by drwls
Physics
Use the first law of thermodynamics to determine the amount of heat change, Q, and whther it was added to or removd from the system. W=225J Delta U=600J Q=?
Sunday, March 11, 2012 at 10:43pm by Tracy
Biology
In your own words, explain the second law of thermodynamics and explain why it is not violated by living organisms?
Sunday, July 17, 2011 at 5:58pm by Ivy
Biology
What law of thermodynamics explains the fact that if you drop an egg, the shell will not spontaneously repair itself? The second law
Saturday, February 24, 2007 at 11:15pm by aj
Thermodynamics
Suppose an enzyme lowers the activation energy by an order of magnitude. What is the ratio of catalyzed rate to the uncatalyzed rate at at 25 °C? at 37 °C?
Monday, April 9, 2012 at 2:26pm by Ali
Thermodynamics
Where's the tank? In fact, what tank?
Wednesday, March 13, 2013 at 7:21pm by DrBob222
Physics ~Thermodynamics~
* Pressure * 1) what other ways can the pressure of a gas be changed? * Internal Energy * 2) A cup of hot tea is poured from a teapot, and a swimming pool if filled with cold water. a) Which one has a higher internal energy? b) Which has a higher average of kinetic energy? * ...
Tuesday, March 5, 2013 at 6:15pm by Isis
Thermodynamics
Your method looks OK but I would have to check the value of R in such unconventional units. I don't understand whay you multiplied V by 1/12 instead of 12
Monday, March 1, 2010 at 8:01am by drwls
Thermodynamics
Edit: P = lb x (ft lb(force)) / lb(mass) °R) °R / (cu in x (1ft/12in)
Monday, March 1, 2010 at 8:01am by Janus
Thermodynamics or Chemistry - help required
Note: psig means gauge pressure, equal to pressure in excess of atmospheric pressure.
Sunday, March 13, 2011 at 8:35am by MathMate
Thermodynamics
Determine the units of viscosity,m, in the following equation: t=m(du/dy), where t is a shear stress, u a velocity, and y is a distance in (a) the Engineering English system, and (b) the SI system.
Wednesday, January 4, 2012 at 3:56pm by Jack
Chemistry
In thermodynamics, the standard pressure is 100 kPa. What is this value in units of atmospheres. I got 9.86x10^-7 atm but the book said .9869 atm. who's right?
Monday, April 5, 2010 at 10:36pm by Ana
Physics
The "1.4" in that formula has more that two significant figures. It is exactly the fraction 7/5, a result that can be derived from thermodynamics of diatomic gases. For monatomic gases the value of the constant is 5/3.
Wednesday, February 25, 2009 at 11:26pm by drwls
thermodynamics
In the USA, it is customary to call the subject thermodynamics. Without the "s", the word "thermodynamic" is an adjective. It may be different in some English speaking countries. I do not recognize the meaning of "L" in KLPa. Do you mean KPa? (...
Saturday, January 15, 2011 at 10:56pm by drwls
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