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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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usmc2rn usmc2rn
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4 months ago
In which process is ΔH = ΔU?

▸ Two moles of ammonia gas are cooled from 325°C to 300°C at a constant pressure of 1.2 atm.

▸ One gram of water is vaporized at 100°C and 1 atm.

▸ Two moles of hydrogen iodide gas react to form hydrogen gas and iodine gas in a 40-L container.

▸ Solid calcium carbonate is heated to form solid calcium oxide and carbon dioxide gas in a container with variable volume.

▸ One mole of solid carbon dioxide sublimes to the gas phase.
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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tk9790tk9790
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4 months ago
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usmc2rn Author
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4 months ago
Helped a lot
yen
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Yesterday
Thanks for your help!!
missnoname
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2 hours ago
This helped my grade so much Perfect
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