thermodynamics chemistry notes
Answers
Explanation:
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I boarded flight from Bangalore to Mumbai, economy class. I put my hand bag in overhead bin and took my aisle seat. There was an old person sitting next to me on the window seat.
I had a presentation in Mumbai, so took my documents and started going through them for the final time before the presentation. After 15–20 minutes I was done with my documents, so I put them away and started looking out of the window, and suddenly I looked at the face of this person sitting next to me. I thought I have seen him somewhere.
He was old, his face, the suit was not very expensive, and he was replying to some mails or going through some documents. I exactly don’t know. I noticed his shoes, they were average quality.
Something stuck me and I asked him:
*“Are you Mr. Narayana Murthy?”*
He looked at me, smiled and replied, *“Yes, I am.”*
I was shocked !
For one second I had no idea what to say next. I looked at him again. His shoes, his suit, his tie and his specs. Everything was average. This guy was worth $2.3 Billion and co-founded Infosys.
I always wanted to become super rich so that I can buy all the luxury and travel business class. He could buy the whole airlines and yet he was sitting next to me in economy class!
I again asked: *“Why are you travelling in economy class and not business class?”*
He replied:
*“Do Business class people reach early?”*
And then introduced myself, “Hello sir! My name is Mayank Gupta and I am a freelance corporate trainer and I work with many MNCs PAN India.”
He then put his phone away and started listening to me, he also asked few questions and answered the questions I asked. We both went down deep into the conversation until I asked a question which was about to change my life entirely.
I questioned:
*Sir, You are so successful and have made so many good decisions in your life. Is there something you regret?”*
He got intense look on his face, thought for a while and answered,
*“Sometimes my knee hurts, I should have taken better care of my body. When I was young I was so busy working that I never got time to take care of myself and now even if I want to work more, I can’t. My body doesn’t permit.”*
*“You are young. You are smart and ambitious but don’t repeat the mistake I made. Take proper care of your body and take proper rest. This is the only body you have got!”*
That day I learned two things, one that he told me and another that he showed me!
Being rich is not about owning things.
I had got what I needed.
What a great and down to earth human being he is, no doubt he is so successful !!!
Answer:
The branch of science which deals with the quantitative relationship between heat and other forms of energies is called thermodynamics.
Some Important Terms Related to Thermodynamics
(i) System It refers to the part of universe in which observations are carried out.
(ii) Surroundings The part of universe other than the system is known as surroundings.
(ill) Boundary The wall that separates the system from the surroundings is called boundary.
(iv) Thermodynamic equilibrium A system in which the macroscopic properties do not undergo any change with time is called thermodynamic equilibrium.
(v) Thermal equilibrium If there is no flow of heat from one portion of the system to another, the system is said to be in thermal equilibrium.
(vi) Mechanical equilibrium If no mechanical work is done by one part of the system on another part of the system. it is said to be in mechanical equilibrium. Such a condition exists when pressure remains constant
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