0

Are these two meanings equivalent?

"half as fast" vs "twice as fast"

Ex:

Reaction A is half as fast as Reaction B.

Reaction A is twice as fast as Reaction B.

This is from my Chemistry textbook and I want to make sure I am interpreting it correctly.

1

no
the first sentence means : (the speed of reaction A) = (the speed of reaction B)/2
the second one means : (the speed of reaction A) = (the speed of reaction B) *2

| improve this answer | |
  • "A is half as big as B" doesn't mean the same as "A is twice as big as B"! – Kate Bunting Feb 16 at 10:13
  • "A is twice as small as B" is sometimes used to mean "A is half as big as B". – JeremyC Feb 16 at 22:50

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.