How to calculate the final temperature when two different liquids are mixed

2019-08-13View Original

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How to calculate the final temperature when 8 m³ of sulfuric acid at 25°C and 98% concentration is mixed with 35 m³ of phosphoric acid at 50°C and 36% concentration? Which books can I consult? Will the exothermic reaction that occurs when sulfuric acid is added to phosphoric acid affect the temperature?

Reply #22019-08-14

There are two temperature-related issues involved here: one is the exothermic release of sulfuric acid when it is diluted, and the other is the heat exchange between sulfuric acid at low temperatures and phosphoric acid at high temperatures

Reply #32019-08-14

How exactly is it calculated, or what books can be referred to?

Reply #42019-08-14

Let’s calculate it in two parts: first, calculate the heat released during dilution, which should relate to physical chemistry; after that, calculate the heat exchange between sulfuric acid and phosphoric acid

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How to calculate the final temperature when two different liquids are mixed

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