Which headings should be used to complete this table?
?
R-X
X = F, CI, Br, 1
R-NH2
Organic solvent
Weak base
Biochemical processes
Foul-smelling
O
o
ether (left column); ester (right column)
ketone (left column); aldehyde (right column)
alkyl halide (left column); amine (right column)

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

May someone me with these science questions

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added