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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Mikhailsanu19 Mikhailsanu19
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3 years ago
Calculate the standard enthalpy of formation of Cl-(aq), given the following thermochemical data at 1 atm, and knowing that the standard enthalpies of formation of H2(g) and H+(aq) are both zero.

HCl(g) → H+(aq) + Cl-(aq) ΔrH° = -75.15 kJ/mol
H2(g) + Cl2(g) → 2HCl(g)  ΔrH° = -184.62 kJ/mol


▸ -167.46 kJ/mol

▸ +109.47 kJ/mol

▸ -17.16 kJ/mol

▸ +34.32 kJ/mol

▸ + 167 kJ ?mol
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
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sweetaliasweetalia
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3 years ago
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Mikhailsanu19 Author
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3 years ago
Just got PERFECT on my quiz
ezsancheezy
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Yesterday
this is exactly what I needed
KaylenePig
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2 hours ago
Smart ... Thanks!
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