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03-01-2017, 10:24 PM
Infact the formula used is....A0-A=kt
Where A0 has the unit moles....A is final conc which is zero.
03-01-2017, 10:26 PM
(This post was last modified: 03-01-2017, 10:29 PM by SunilNagpal.)
(03-01-2017, 10:05 PM)sadaf188 Wrote:It's mole per litre per sec or M per sec ... not mole per sec.. unit of k in question was wrong..(03-01-2017, 08:49 PM)SunilNagpal Wrote: Yes it can be challengedSir the unit of k is correct....for zero order reaction.... k is Mole/sec...
03-01-2017, 10:29 PM
03-01-2017, 10:32 PM
(This post was last modified: 03-01-2017, 10:33 PM by SunilNagpal.)
(03-01-2017, 10:24 PM)sadaf188 Wrote:sadaf, concentration is in Molar terms which is moles per litre...if one says conc. of A is 1M then it is moles per litre.
Infact the formula used is....A0-A=kt
Where A0 has the unit moles....A is final conc which is zero.
Similarly, k is expected to have units in M per sec or min (or moles per litre per min)
03-01-2017, 10:35 PM
(03-01-2017, 10:32 PM)SunilNagpal Wrote:Yes sir I know that M means moles/liter(03-01-2017, 10:24 PM)sadaf188 Wrote:sadaf, concentration is in Molar terms which is moles per litre...if one says conc. of A is 1M then it is moles per litre.
Infact the formula used is....A0-A=kt
Where A0 has the unit moles....A is final conc which is zero.
Similarly, k is expected to have units in M per sec or min (or moles per litre per min)
But d formula that can fit is A0-A=kt
Where A is in moles nd k in moles/min?
If so....the answer will be 10000
So this can be challenged...right?
03-01-2017, 10:36 PM
Sunil sir plz help me wid question no. 16 also.
03-01-2017, 10:43 PM
(03-01-2017, 08:49 PM)SunilNagpal Wrote:(03-01-2017, 08:38 PM)Santhosh Ram Wrote: can it be challenged?Yes it can be challenged
Right Bro. It should have been either in grams/milligrams(i.e - mg/min) or M(molarity). Fell for the same trap. I thought, I was the only one.
If someone challenges it, gets it right will everyone with that answer be awarded.
What about that plasmid question. There is no xho1 site in MCS or any part of plasmid?
03-01-2017, 10:47 PM
(03-01-2017, 10:35 PM)sadaf188 Wrote:One need not challenge on the basis of fitting values of A and Ao in terms of moles (as it is the norm to use concentration of reactants in the classical equation).(03-01-2017, 10:32 PM)SunilNagpal Wrote: sadaf, concentration is in Molar terms which is moles per litre...if one says conc. of A is 1M then it is moles per litre.Yes sir I know that M means moles/liter
Similarly, k is expected to have units in M per sec or min (or moles per litre per min)
But d formula that can fit is A0-A=kt
Where A is in moles nd k in moles/min?
If so....the answer will be 10000
So this can be challenged...right?
This question can simply be challenged on the basis of unitary approach, supported by the fact that unit of k leads to imbalance of units on reactant n product sides (if one tries to follow the approach used for obtaining 100 mins as solution).
03-01-2017, 10:51 PM
(03-01-2017, 10:47 PM)SunilNagpal Wrote:OK thank u so much sir.....(03-01-2017, 10:35 PM)sadaf188 Wrote: Yes sir I know that M means moles/literOne need not challenge on the basis of fitting values of A and Ao in terms of moles (as it is the norm to use concentration of reactants in the classical equation).
But d formula that can fit is A0-A=kt
Where A is in moles nd k in moles/min?
If so....the answer will be 10000
So this can be challenged...right?
This question can simply be challenged on the basis of unitary approach, supported by the fact that unit of k leads to imbalance of units on reactant n product sides (if one tries to follow the approach used for obtaining 100 mins as solution).
Sir plz ques no. 16
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