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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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courtneyjuma courtneyjuma
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2 months ago

The temperature at which the following process reaches equilibrium at 1.0 atm is the normal melting point for phosphoric acid.

image

Use the following thermodynamic data at 298 K to estimate this temperature.

Substance:

H3PO4(s)

H3PO4(l)

ΔH°f (kJ/mol):

–1284.4

–1271.7

ΔG°f (kJ/mol):

–1124.3

–1123.6

S°(J/K • mol):

110.5

150.8



▸ 286 K

▸ 305 K

▸ 315 K

▸ 347 K

▸ 3170 K
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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careytrancareytran
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