how much energy is required to vaporize 98.6 g of ethanol (c2h5oh) at its boiling point, if its δhvap is 40.5 kj/mol?

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.