Potassium permanganate, KMnO4, is produced commercially by oxidizing aqueous potassium manganate (K2MnO4) as shown in the equation below. What volume of chlorine gas is required to produce 10.0 grams of KMnO4 if the chlorine gas is at 1.00 atm and 0.00 C? 2 K2MnO4 + Cl2 --> KMnO4 + 2 KCl

Q: A tank was filled with 12 g of oxygen (O2), 73 g of nitrogen (N2) and 4 g of carbon dioxide(CO2). At…

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Q: 5. A 5L car tire is filled with N2 to a pressure of 4 atm at 18°C. (a) How many grams of N2 present…

A: Given  Volume  = 5 Liter  Pressure of N2  = 4 atm  Temperature ( T ) = 18 ℃…

Q: (A) A sample of carbon dioxide gas at a pressure of 1.14 atm and a temperature of 27.1 °C, occupies…

A: Ideal gas equation:  PV = nRT  At constant T and n  PV = constant P1V1 = P2V2  P1 = initial pressure…

Q: Volume of trapped gas = 88.57 mL - moles of O2 = 0.00359 - Pressure of trapped gas = 756 mmHg -…

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Q: 40.0 mL of a 3.79 M solution of H2O2 decomposes according to this reaction: 2 H2O2 (aq) → 2 H20(1) +…

A: The reaction taking place is given as, => 2 H2O2 (aq) ------> 2 H2O (l) + O2 (g)  Given :…

Q: a) What mass of carbon dioxide is present in 1.00 m3 of dry air at a temperature of 17 ∘C and a…

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Q: A bottle with the volume 4.03 L contains a sample of chlorine gas, Cl2, with a pressure of 198 Torr…

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Q: Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following…

A: Given, Pressure of H2 gas= 744 mm of Hg                               = 744760atm T= 25°C= 298K…

Q: A steel cylinder contains 5.00 moles graphite (pure carbon) and 5.00 moles O2. The mixture is…

A: Given: Moles of graphite= 5.00 mol Moles of Oxygen =5.00 mol The pressure of the cylinder increases…

Q: A weighed quantity of PCI5(s) is sealed in a 100.0-cm³ glass bulb to which a pressure gauge is…

A: Given: The dissociation of PCl5 takes places as, The volume of the reactor is 100.0 mL The…

Q: Solid ammonium chloride, NH,CI, is formed by the reaction of gaseous ammonia, NH,, and hydrogen…

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Q: 18. The balanced equation for ammonia production shown below is important for the fertilizer…

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Q: The oxidation of trichloroethane results in the following reaction equation: 4 CaH,C|a() + 11 0, (g)…

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Q: A mixture of gases at fixed volume and temperature contains 2 moles of He and 2 moles of Xe. Which…

A: answer- answer is option no. 4) if one mole off Ar gas is added the partial pressure of both He and…

Q: Mg3N2(s)

A: We have the balanced chemical reaction: Mg3N2(s)+6H2O(l)---> 3Mg(OH)2(aq)+ 2NH3(g)   Here, 1 mol…

Q: A.) An aqueous solution of potassium acetate, KCH3COO, contains 3.47 grams of potassium acetate and…

A: The answers to the following Questions are given as:

Q: What volume of gas will be produced when 38 mL of 0.40M NH4NO3 reacts with an excess of aqueous…

A: The reaction is as follows: NH4NO3+NaOH→NaNO3+NH3+H2O The gas produced in the reaction is NH3 The…

Q: A metal cylinder with a capacity of 6.0 L is filled with compressed propane (C3H8). The pressure and…

A: Given: Volume = 6.0 L Initial pressure of cylinder = 120 atm Initial temperature of cylinder =  75…

Q: The equation for the preparation of Na,PO, from NaOH and H,PO, is shown below. 3NAOH(aq) + H,PO,(aq)…

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Q: When carbon dioxide is at 1 atm and 273k, how many liters make up 28.45 g of carbon dioxide? Molar…

A: Gas equation, PV = nRT

Q: The volume of a sample of pure HCl gas was 4.102 L at 25 oC and 102 torr. It was completely…

A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,…

Q: Consider a box divided in half. One side is filled with 1 mol Ne at 300 Kelvin, and the other is…

A: Since the gases are effusing through a small hole to reach the equilibrium  And as per the graham's…

Q: Suppose a gas mixture used for anesthesia contains 4.00 mol oxygen (O₂) and 6.00 mol nitrous oxide…

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Q: A 5.0-L flask contains a mixture of ammonia and nitrogenat 27°C and a total pressure of 3.00 atm.…

A: (a).A 5.0-L flask contains a mixture of ammonia and nitrogenat 27°C and a total pressure of 3.00…

Q: When solid calcium carbonate is reacted with aqueous hydrochloric acid, the products of the reaction…

A: Given,          Vapor pressure of water = 23.8 mmHg          Total vapor pressure = 911 mmHg…

Q: (References] An 18.6 mL volume of hydrochloric acid reacts completely with a solid sample of MgCOg.…

A: Molarity of HCl can be calculated by using formula - Molarity = mole/volume(L) First of all…

Q: Zinc metal reacts with excess hydrochloric acid to produce hydrogen gas according to the following…

A: Zn(s)   +    2 HCl(aq)      -->   ZnCl2 (aq)    +   H2 (g)        1 mol…

Q: A cylinder of volume 27.0 L is filled with 25.1 g of jobstium gas (MM = 72.21 g - mol-1)from the…

A: Given the volume of cylinder i.e. gas =27.0 Lnumber of moles of gas =0.348 moltemperature =326 Kwe…

Q: A mass of 0.650 grams of calcium carbonate is added to 0.01375 mole HCl. If the CO2(g) gas is…

A: Given data is The mass of calcium carbonate reacted=0.650 g  Moles of HCl taken = 0.01375 moles…

Q: Automobile airbags are inflated by the rapid decomposition of sodium azide (NaN3). 2 NaN3(s) --> 2…

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Q: Calculate the total pressure (in atm) of a mixture of 0.0200 mol of helium, He, and 0.0100 mol of…

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: A 1,365.8 mL aqueous solution of 407.9 mM Na2S is combined with 100.0 mL of an aqueous HCl solution…

A: Given , Na2S reacts with HCI

Q: Q7. A gas mixture that has the following composition in percent by volume: 9.2% CO2, 22.0% co, 17.5%…

A: Given that  composition in percent by volume: 9.26 CO2, 22.0% CO , 17.5%H2, 3.3% CH4 and 48.0% N2.

Q: A. How many grams of calcium carbonate, CaCO3 are needed to produce 435 mL of carbon dioxide gas at…

A: A)  Given, CaCO3 + 2HCl ----> CaCl2 + CO2 + H2O At STP, Volume of CO2 produced = 435 mL = 0.435 L…

Q: What volume of hydrogen gas (in mL) at 703 mm Hg and 40 °C can be produced when 2.9 g of MgCO3(s)…

A: According to an ideal gas equation PV= nRT Where P= pressure of the gas, V= volume of the gas, n= no…

Q: Which of the following substances was used to test for the pressence of carbon dioxide in expired…

A: The chemical formula of cabon dioxide is CO2.

Q: When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2 Al(s) + 6…

A: The balanced chemical reaction of aluminium with hydrochloric acid at STP to produce aluminium…

Q: A mixture of He, Ne and Ar has a pressure of 7.85 atm. If the Ne has a mole fraction of 0.47 and Ar…

A: Total pressure of mixture of He, Ar and Ne is = 7.85 atm. Mole fraction of Ne = 0.47 Mole fraction…

Q: Part A Hydrogen can be extracted from natural gas according to the following reaction: CHa (9) + CO2…

A: Given:-   To find:- Mass of H2(g).  At the equilibrium=?

Q: How many grams of AL were reacted with excess HCI if 4.78L of hydrogen gas were collected at STP in…

A: Volume  of H2 gas = 4.78 L Mass of Al reacted = ?

Q: Calculate the amount of Cl2 (g) produced in L at STP and calculate the percent yield of Cl2(g) in…

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Q: What is the mole fraction of O2 in a mixture of 4.08 g O2, 4.14 g of N2 and 1.5 g of H2?

A: GivenMass of O2 = 4.08 gMolar mass of O2 = 32 g/moleMoles of O2 = Mass of O2Molar mass of O2Moles of…

Q: What is the molarity of a HClHCl solution if the reaction of 215. mLmL of the HClHCl solution with…

A: The concentration of a solution is a measure of the amount of solute that has been dissolved in a…

Q: What volume of carbon dioxide gas (in mL) at 835 mm Hg and 37 °C can be produced when 2.4 g of…

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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.