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iTeachChem

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can anybody explain me the flemming rules

in emi and magnetism im very confused now

WPE

after the step i marked cant we use V^2 - U^2 = 2as since force is constant and so is a
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aldehydes ketones, theory doubt

what happens when we put strong oxidizing agent in excess on a secondary alcohol, i know the product but how do we get there and how does it happen

Amines, organic conversion question

I have 2 questions: i) What's the mechanism from the 2nd to the 3rd step ii) From the 4th to 5th step, how did SO3H somehow get deleted and Br end up on ortho instead of para...
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AUXIN

in ncert it says auxins promotes abscission but in my notes it says it inhibits online also it says it inhibits so which is correct...

Solubility question - Ionic equilibrium

Wanted help in this question. Can't really figure out how to go about it...
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Gravitation

What's the mistake in my solution?
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Matrices: Evaluation of Determinant

Tried factorizing it, but didn't work.
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Matrices: Dependency of AB on A&B

I have no idea how to approach this.
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MATHS: Limit (class 11)

KOI HAI JO 4TH PART SOLVE KAR SAKTA HAI
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Chemical kinetics, order confusion

In the solution they've just directly used the first order equation (since overall order = 1) and got the answer. How did that work? Isn't the reaction half order with respect to A, so it should behave as such?
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STRAIGHT LINES

isme is this the correct diagram ??? if yes then seedha distance formula use krke aa jayega yeh toh...
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Thermodynamics

In many questions, if constant external pressure was mentioned we took it as Irreversible process, but in this question they have mentioned const ext p + rev. So what's the drawback?
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ΔU

Question says "same condition" meaning ΔT=0 so ΔU= f(T) so why in this case ΔU is not 0?
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SHM

can we use T=2pisqrt(I/mgl) here?
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