calculate thr no. of moles in (a) 52 g of He (b) 12.044 x 10^23.
Anant100
Asked:
December 2022
PQRS is the square whose diagonals are intersecting at O. If OP = 2cm, then find of length PQ.
The probability of guessing the correct answer to a certain question is x/2. If probability of not guessing the correct answer is 2/3, then find the value of x.