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see for solving the question...

see for solving the question...

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Grade:12th pass

13 Answers

grenade
2061 Points
6 years ago
mansi the question is very simple u have to use the formula H=E+ngRT  ng represents the change in number of moles of the gaseous species
thus substitute the values and you will get the answer here ng =1
approve if useful
ng29
1698 Points
6 years ago
hey mansi   have u solved this question and calculated the final answer 
bcoz according to me none of the options are matching 
using formula that is above mentioned 
 check it out
 
approve if useful
grenade
2061 Points
6 years ago
mr.
ng29 answer is the B option please checkout the calculation
mansi ain’t be confused
approve if useful
ng29
1698 Points
6 years ago
oh !!!!  really can u plz explain me ur calculation
H=E + RT   ng=1 
176 – RT = E               R=0.0821  AND T=1240 
is it right than how answer can b) possible  
 
grenade
2061 Points
6 years ago
Again you committed the same mistake
The value of R is 8.313 inspite .0821
U can check Google too
For the value of R
grenade
2061 Points
6 years ago
Search for the value of R on Google
too remark your units ng29
 
mansi dabriwal
29 Points
6 years ago
see akshat and ng29 if i take value of R as 8.313 than
H=E+ngRT
176=E+1x8.313x1240
176-10308.12=E
E=-10132.12 which can’t be possible so what’s the correct method and answer....
ng29
1698 Points
6 years ago
thats what i am saying mansi to akshat that whats the value of R 
the answer does not comes out correctly
and i am also little bit confused about the anser and method
in my opinion there is some printing mistake 
 
approve if useful
 
mansi dabriwal
29 Points
6 years ago
yah it could be...
Gman Namg
420 Points
6 years ago
Mansu and ng29
Conver the values un kilojule
And then contradict my voce
It would be
176000-10308=166.something
Pl mansi ain`t commit this mistake in bitsad
Finally with the end of decision
Best of luck for your bitsat 19, may 2015
 
Shubham Singh
199 Points
6 years ago
the answer is b. value of R will be 8.314 x 10-3
 
grenade
2061 Points
6 years ago
 Gman you got the answer correctly
mansi dabriwal
29 Points
6 years ago
Thanx for the good luck wishes Gman but i have my bitsat on 20th may....not on 19th 

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