Question

If 60% of a first order reaction was completed in 60 minutes,
50% of the same reaction would be completed in aproximately
(a) 45 minutes (b) 60 minutes
(c) 40 minutes (d) 50 minutes

Answer 1

Answer:

a long, sturdy piece of squared timber or metal used to support the roof or floor of a building.

"there are very fine oak beams in the oldest part of the house"

Explanation:

Tomorrow is my maths paper of class 9th

1like = 1 pray for me

Answer 2

Explanation:

d 50 minutes because if 60 percent is done in 60 min then 50 percent will be 50