Alfter a reflection of the figure, the image vertices are a'(5, 1). b"(3, -1), and c'(7.-1). what is the line of reflection?
onb
ay=2
b. x=2
c
y = -
d. y = 2x

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answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.