In the fermentation of glucose (wine making), 760 mLmL of CO2CO2 gas was produced at 31 ∘C∘C and 1.20 atm . What is the final volume, in liters, of the gas when measured at 30 ∘C∘C and 705 mmHgmmHg , when the amount of gas does not change?

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Q: 4. The decomposition of 30.354 g of potassium chlorate yields solid potassium chloride and oxygen…

A: 2KClO3 → 2KCl (s) + 3O2Mass of KClO3= 30.354gT= 27.05°C   = (27.05+273.15)K     = 300.2KP= 1.075…

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.