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Question- For a particular process, 25 kJ of heat is absorbed and 15 kJ of work is done on the surroundings. What is U?
Please illustrate work if possible thanks
a breathalyzer instrument contains two ampules each of which contains 0.75 mg k2cr2o7 dissolved in 3 ml of 9 mol l-1
A 250.0-mL sample of ammonia, NH3(g), exerts a pressure of 833 torr at 42.4 C. What mass of ammonia is in the container?
Then the gas is cooled at a constant volume of 22.3L back to its original temperature. Then it contracts back at a constant tempurature to its original volume. What is the total heat flow for the process
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