This type of reaction is endothermic since it absorbs heat and decreases the solution's temperature.
The last set which is n=4 l=3 m=3 is a valid set
well if you round to the nearest cent the number 0.332 move the decimal down 2 time so it would be 33 it the the answer would be "a"
im sorry if im wrong im trying my best to answer correctly please don't report my answer cause brainly mighty remove my account again.xd
The answer to this question is no.