Oxygen can be produced by the thermal decomposition of mercuric oxide: heat 2 HgO(s) 2 Hg() + O₂(g) What volume of O₂ is produced at 39.7°C and 0.943 atm by the decomposition of 27.4 g of HgO? LO₂

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Q: Calculate the standard deviation of the four trials below.  Trial 1: 49.59 grams Trial 2: 51.25…

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A: The given data is :

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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.