school
Acemy

Enthalpy of Formation

AP Chemistry· difficulty 4/5

Which has ΔHf°_f^° = 0 by definition?

  • A

    Br2_2(g)

  • B

    All compounds

  • C

    H2_2O(l)

  • D

    Br2_2(l) at 25°C, 1 atm (element in standard state)

    check_circle

Explanation

Element in its standard state has ΔHf°_f^° = 0. For Br2_2 that's the liquid; for Hg it's liquid; for I2_2 it's solid; etc.

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forwardPredict my AP score

Related questions

auto_awesomeAll Toolsquestion_answerHomework Q&Amenu_bookAP & SAT PreptimelineLearn Mode