# Posts by sumedha

Total # Posts: 4

**Chemistry **

What volume of O2 gas at STP is required to burn 32g of methane gas completely?

**physics**

Potential energy between charges + q at even places and -q on odd places on the corner of a hexagon of edge lenth 'a'

**Physics**

See ..first find the force on any one charge at any one vertice of triangle ..say on -ve charge ie kq²/r² towards positive charge due to each of positive charges and since angle between these two forces will come out to be 60° therefore net resultant force will ...

**maths**

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