So, the difference between a good teacher and a bad teacher is that a good teacher is very good at storytelling, how we came up to this situation in science, what the history has been, and all of those foundational levels. They are good at developing concepts level by level. A bad teacher simply tells what a thing is and never bothers to tell about underlying developing concepts or he doesn't even know about it. This is my conclusion. So guys, give time to the subject, learn about its roots and you will have an appreciation of subjects and our situation in science.
When say the two composition of the components is at its equilibrium, what does physical mean to both of the components and what the physical phenomenon is on the phase diagram. Please, I am looking for your kind response
Sir in brine solution if composition of water is 0 ..then the left over NaCl is salt(acc to me pure salt is solid ...if wrong sorry) ..will it still be considered to be liquid phase
It is still a single phase, but a metastable single phase. Stability will happen when extra salt precipitates out in which case it will become a mixture of two phases: saturated brine and excess salt.
FCC is a lattice. Many different crystals can have FCC lattice, e.g. NaCl. But NaCl is not closed packed, and it has a motif of (1 Na+1Cl) associated with each lattice point. So it has FCC lattice but it is not CCP. CCP is a crystal which is obtained by associating single atom motif with each point of an FCC lattice. Thus Cu is CCP crystal with FCC lattice.
They(almost all nptel professors) teache at very low pace intensionally, just to make sure that even the dullest guy in class can catch them. Otherwise, they are often worth multiple PhDs
Sir in case of brine solution , if solution gets saturated then there will be two phases (one liquid and the other,solid(crystals of Nacl left undissolved)...Sir ,please correct me if i am wrong?
As the name suggests, three phases-solid, liquid and gas-coexist at the triple point. Phase rule tells that in a Temperature-Pressure diagram this can happen at a fixed point only. There are two variables temperature and pressure. Number of phases P=3, number of components C=1. Now the degree of freedom F=C-P+2=1-3+2=0. Thus neither of the two variables temperature and pressure can be varied. Thus this happens at a fixed point in T-P space, the point is called the triple point.
Well, I am tacitly assuming room temperature and pressure. But you are right, in all three phases are possible. In fact, even more, there are many different phases of ice.
very few IIT faculties are responsible like you sir. verifying, updating, replying clarifying. Simply ethical
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So, the difference between a good teacher and a bad teacher is that a good teacher is very good at storytelling, how we came up to this situation in science, what the history has been, and all of those foundational levels. They are good at developing concepts level by level. A bad teacher simply tells what a thing is and never bothers to tell about underlying developing concepts or he doesn't even know about it. This is my conclusion. So guys, give time to the subject, learn about its roots and you will have an appreciation of subjects and our situation in science.
yes it seems you are absolutely correct
I could not understand my lecturer bt thanks to u sir am gud to sit for an exam. From Tanzania east Africa
prof yuko poa sana yan
lemme tell this to your lecturer, he will spank u!! bad boy!
Rahul Kumar 😂😂
Your courses are wonderful -- Thanks for sharing your knowledge!
very simple explanation,anyone can understand . Thank you so much sir.
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Thank you sir love from Pakistan
Nice explanation sir ... thank you
The examples helped so much. Thank you sir
Thank you sir for all these videos
thank you sir, for these videos
Thank you sir.....this series was much needed🙏
Your welcome ... Your words means a lot me 😊
Thank You Very Much Sir :)
When say the two composition of the components is at its equilibrium, what does physical mean to both of the components and what the physical phenomenon is on the phase diagram. Please, I am looking for your kind response
Thank you sir 😊
THANKYOU SIR FOR THE VIDEO
Very nice sir,
Thank you Sir,,🙏🙏🙏
Thank you so much Sir 😊
Thanks Sir ❤✌
Sir in brine solution if composition of water is 0 ..then the left over NaCl is salt(acc to me pure salt is solid ...if wrong sorry) ..will it still be considered to be liquid phase
If water fraction is zero then one has the only salt and at room temperature, it is solid.
Sir If the Brine solution is super saturated with salt then is it two phases or a single phase sir?
It is still a single phase, but a metastable single phase. Stability will happen when extra salt precipitates out in which case it will become a mixture of two phases: saturated brine and excess salt.
@@introductiontomaterialsscience
Thank you sir
Nice
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Thank you sir
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ADAMSIN DAYIII
Is ccp same as face centenered cubic please clarify?
FCC is a lattice. Many different crystals can have FCC lattice, e.g. NaCl. But NaCl is not closed packed, and it has a motif of (1 Na+1Cl) associated with each lattice point. So it has FCC lattice but it is not CCP. CCP is a crystal which is obtained by associating single atom motif with each point of an FCC lattice. Thus Cu is CCP crystal with FCC lattice.
watching this in 1.75x speed, even 2.0x works.
They(almost all nptel professors) teache at very low pace intensionally, just to make sure that even the dullest guy in class can catch them. Otherwise, they are often worth multiple PhDs
@@jagadeeshgurana4490 nah they just speak slow, ur probably the dullest guy in the back of the class
WHERE ALL ARE U FROM ?
..
...
I AM FROM 🇳🇵
Sir in case of brine solution , if solution gets saturated then there will be two phases (one liquid and the other,solid(crystals of Nacl left undissolved)...Sir ,please correct me if i am wrong?
Girl mechanical engineer 😅😅
You are right, if you add more salt to saturated brine, you will get a two-phase mixture: liquid brine + solid salt.
What happened to IIT proffs now?!!! Mere iit mein toh aise proffs na hein
which iit?
Can anyone help me in getting the answer of what type of phase exists at triple point..What's is it nature and all🙏
As the name suggests, three phases-solid, liquid and gas-coexist at the triple point. Phase rule tells that in a Temperature-Pressure diagram this can happen at a fixed point only. There are two variables temperature and pressure. Number of phases P=3, number of components C=1. Now the degree of freedom F=C-P+2=1-3+2=0. Thus neither of the two variables temperature and pressure can be varied. Thus this happens at a fixed point in T-P space, the point is called the triple point.
Satisfactory but still curious to know more about it .Will Google it Thank U So much🙏
Sir we have 3 phases in water, then why have you only mentioned liquid phase? at 9:07
Well, I am tacitly assuming room temperature and pressure. But you are right, in all three phases are possible. In fact, even more, there are many different phases of ice.
You are great but so slow i slept twice ....
Too slow
Increase playback speed.
Thanks sir
Thanks sir
Thank you sir