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iTeachChem
A Study Community for Everyone and Everything. We have weekly sessions on Spirituality, Math and Science! JEE, NEET prep? All doubts are crowdsourced. Hare Krishna!
Joinhaloalkanes and arenes
im having trouble in these types of questions. what should be the right thinking to do these

Gravi
Two particles A and B of masses 1 kg and 2 kg respectively are kept 1 m apart and are released to move under mutual attraction. Find the speed of A when that of B is 3.6 cm/hour. What is the separation between the particles at this instant ?
im able to do the first part but i dont understand what is going on in second part...

Electric potential wrt. equilibrium
uhm so i tried to think equilibrium basis on this and lets just say one was right and other came incorrect so i need help as to how equilibrium effects electric potential

cell rxn
here we are asked to construct the cell rxn
and the ans is like
my question is why will one of Cu ion go for reduction and other for oxidation? arent both in connected to same electrode so how can one go for oxidation whereas other goes for reduction?
QUE 45 a...

SHM
Could someone just gimme qs involving taylor series to easily solve SHM qs but I want those without like variable functions cuz then it is easily thinkable to apply it
Energy efficency
i tried it out and the ans should be 25 and im getting in 10 power soo i think the way is wrong in this one

work done
how to calculate work done in vapourisation like i get there will be change in volume but how to get that?

Krotov question 1.29 | Find time taken by an object to roll down a slope
the answer key has used work energy theorem and I haven't studied it till now, can anyone do this question with other methods because I cannot find any others

force on dielectric
one way is energy conservation which gives the ans in the book ( i checked). but why cant i do force on dielectric with battery disconnected = mg

Set theory
"In a battle, 70% of the combatants lost one eye, 80% an ear, 75% an arm, 85% a leg, x% lost all four organs. Find the minimum value of x."
Plz explain the approach and the steps of the solution in detail...
prediction of groups in periodic table
Can someone explain how to predict the group of an element with electronic configuration