Pls hurry There is a series of three chemical reactions
that form the overall chemical reaction.
(1 ➡️ 2 ➡️ 3)

How is the ΔH3 calculated if the others are known?
ΔΗ3 = ΔΗ4-(ΔΗ + ΔΗ)
ΔΗ3 = ΔΗ + ΔΗ) - ΔΗ4
ΔΗ3 = (ΔΗ, (ΔΗ,) (ΔΗ,)
ΔΗ3 = ΔΗ + ΔΗ) + ΔΗ4

Change in speed or direction : )

The answer is b because a,c,and d are opinons

Your answer is a just took the test

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.