Some fire extinguishers spray gas pressure generated by the reaction of baking soda with sulfuric acid: NaHCO3(aq)+H2SO4(aq)-->CO2(g)+NaHSO4(aq)+H2O(l). Predict the pressure (atm) that could build up in a 25.0L tank if 1750.0g NaHCO3 reacted with excess H2SO4 at 35 degrees

Q: Determine the pressure (in kPa

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Q: Some fire extinguishers spray water using gas pressure generated by the reaction of baking soda with…

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Q: 6:20 PM Sandy 5 min, IMG_2271.jpg we Sanling learning 1o5 o of an unknow gas at 79 "C avd 1.10 atm…

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Q: A vessel of fixed volume 2.0 dm3 contains 0.2 mol of calcium carbonate. After heating, it was found…

A: Given that a vessel of fixed volume 2.0 dm3 contains 0.2 mol of calcium carbonate.On heating…

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A: At STP volume of 1 mole of gas is 22.4 L.

Q: Iron pyrite, FeS2, when roasted in air, reacts to produce sulfur dioxide and iron (III) oxide.…

A: 4  FeS2 (s)  + 11  O2 (g)   →   2  Fe2O3 (s)  +  8 SO2 (g) For an ideal gas PV= nRT Where P=…

Q: Butane, C4H10, is an easily liquefied gaseous fuel. Calculate the density of butane gas at 0.957 atm…

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A: The balanced reaction is – 2NaCl +3O2 →2NaClO3

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Q: In the coal-gasification process, the reaction is: CO(g) + H2O(g) ⇌ CO2(g) + H2S(g) + H2(g). With…

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Q: Some commercial drain cleaners use a mixture of sodium hydroxide and aluminum powder. When the solid…

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Q: xactly 25 °C (or 298.15 K) and collected in a 100-mL eudiometer. The experiment was done under a…

A: The balanced equation for the decomposition of KClO3(s) is: 2KClO3(s)  ----> 2KCl(s) + 3O2(g)

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Q: Hot gases Expanding gases A mixture hot gases expands, changing volume from 2.45 L to 6.82 L,…

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Q: Consider the reaction below P4(g) + 6 Cl2(g) → 4 PCl3(g) If 0.766 moles of P4 is mixed with 1.86…

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Q: When excess water is added to a mixture of citric acid and sodium bicarbonate present in a bath…

A: The balanced reaction taking place is given as => C6H8O7 (s) + 3 NaHCO3 (s) + H2O (l) → Na3C6H5O7…

Q: An old gas cylinder you found in the back storage room of the ChE laboratory lost its label. Your…

A: Ideal gas equation is  PV = nRT  PV = (m/M)RT  P = pressure of the gas  V = volume  n = moles of gas…

Q: In the reaction Fe2O3(s) + 3 CO(g) → 2 Fe(l) + 3 CO2(g), what pressure of CO2(g) is formed in a 10.0…

A: Solution

Q: ron reacts with hydrochloric acid to produce iron (II) chloride and hydrogen gas:…

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Q: under thermal decomposition, potassium chlorate degrades into potassium chloride and oxygen by the…

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Q: limestone produces carbon dioxide

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Q: A can of hairspray is 0.34L in volume, at an internal pressure of 3.83atm and at room temp of 25.0C.…

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Q: Some commercial drain cleaners use a mixture of sodium hydroxide and aluminum powder. When the solid…

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Q: 112 L N2 at 129 kPa and 303 K?

A: 284.95 g of NaN3 is needed.

Q: In the reaction 2SO2(g) + O2(g)--> 2SO3(g)  how many liters of SO3 gas at STP can be produced from…

A: The volume of SO3 produced is given below

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.