B. For the equlibrium, A2B + Heat,
the number of 'A' molecules increases if
a. volume is increased
b. temperature is increased
c. catalyst is added
d. concerntration of B is decreased
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Answered by
0
Answer:
Let the numbers be x and y. Then,
x+y=14
Let S be the sum of the squares of x and y. Then,
S=x
2
+y
2
S=x
2
+(14−x)
2
S=2x
2
−28x+196
dx
dS
=4x−28
dx
2
d
2
S
=4
The critical points of S are given by
dx
dS
=0.
4x−28=0⟹x=7
As,
dx
2
d
2
S
>0
Thus, S is minimum when x=7. Putting x=7, we get, y=7.
Hence, the required numbers are both equal to 7.
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Answer:
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