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SAT® Subject Test in Chemistry

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Moderate

Enthalpy of Formation

SATCHM-KBAYEL

I. The enthalpy of formation $(ΔH_f)$ of $Br_2(g)$ at 1.00 atm and 298K is 0 kJ/mol.

BECAUSE

II. The $ΔH_f$ is 0 for elements in their standard state.

A

Statement I is true, Statement II is true

B

Statement I is true, Statement II is false

C

Statement I is false, Statement II is true

D

Statement I is false, Statement II is false

E

Statement I is true, Statement II is true and is a correct explanation of the phenomena described in I