The amount of 1.000 moles of the ideal gas H2 occupies a volume of 24.45 L. What volume of H2 is produced when 45.98 g of sodium react with excess water according to the reaction 2 Na(s) + 2 H2O(l) → 2 NaOH(aq) + H2(g)?

Q: A balloon filled with NO2 (g) has an initial volume of 8 L.  If half the NO2 reacts to form N2O4 (g)…

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Q: What volume of ammonia would be produced by this reaction if   9.10m^3 of nitrogen were consumed?

A: Volume of NH3 = 9.10 m3

Q: 2. A sample of carbon monoxide at 670C and under 0.75 atm of pressure takes up 89.3 L of space. What…

A: Given : A sample of carbon monoxide at 67oC and under 0.75 atm of pressure takes up 89.3 L of space.…

Q: In a common Freshman College Laboratory experiment, KClO3 is decomposed by  heating to give KCl and…

A: Answer:- Firstly a balanced chemical equation is written then using the simple concept of…

Q: When 44.5 L of nitric oxide reacts with 38.2 L of oxygen at 423 K under a constant pressure of 1.03…

A: We have given that  When 44.5 L of nitric oxide reacts with 38.2 L of oxygen at 423 K under a…

Q: What volume of gaseous water, H2O, has the same moles of gas as 10.0 L of xenon gas at the same…

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Q: What volume of oxygen is produced from the decomposition of 472.65 grams of nitric acid (HNO)3

A: Decomposition of Nitric Acid (HNO3) as, 4 HNO3 (l) → 4 NO2 (g) + 2 H2O (l) + O2 (g)

Q: Methane is burned in a complete combustion reaction. CH₂(g) +20₂(g) → CO₂(g) + 2H₂O(g) What volume…

A: Volume of one mole gas at stp is 22.4 L

Q: Mg (s) + HCl (aq) → MgCl2 (aq) + H2 (g) What volume (in L) of H2 at 35 oC and 765 mm Hg can be…

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Q: 2. A 25.0 L sample of gas contains 0.75 moles of bromine, Br2. At the same temperature and pressure,…

A: Ideal Gas EquationPV=nRTwhere , P=Pressure of gas in atm           V=Volume of container of gas…

Q: 4A. When 1.00 L of an unknown gaseous compound that contains only C, H, and N is burned in oxygen,…

A: Organic compounds in presence of air break down to form gaseous compounds like carbon dioxide, water…

Q: Suppose we have a 12.2 L sample containing 0.50 mol oxygen gas (O2) at a pressure of 1 atm and a…

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Q: If 34.0 mLmL of nitrogen gas reacts with 79.0 mLmL of oxygen gas, what is the volume of N2O3N2O3…

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Q: Butane, C4H10, is used as a fuel for camping. If you have 108 mL of butane gas at 715 mmHg and 25…

A: According to ideal gas law PV = nRT  where P =pressure in atm  V = volume in L  n = moles of gas R =…

Q: Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3 NO2(g) +…

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Q: if 3.25 mol of argon gas occupies a volume of 10.5 L at a particular temperature and pressure, what…

A: Given, Moles of Argon gas (n1) = 3.25Volume (V1) occupied = 10.5 Luu nud to find the volume occupied…

Q: What is the density of N2O5 under standard temperature and pressure conditions, in g/L?

A: At standard pressure and temperature, volume of one mole of gas is 22.4 L.

Q: Could you lift 3.33 x 10 33 atoms of lead at one time?

A: Given : Number of lead atoms = 3.33 X 1033

Q: A particular application calls for N2(g) with a density of 1.75 g/L at 41 degrees C. What must be…

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Q: 2. What is the density of nitrogen gas at 44.8°C and 141 kPa?

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Q: The density of a certain gaseous fluoride of phosphorus is 3.93 g/L at STP. Calculate the molar mass…

A: Density of a gas can be expressed as, d=PMRT where P is pressure, M is the molar mass, R is the…

Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

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Q: If boron hydride, B4H10, is treated with pure oxygen, it burns to give B2O3 and H2O: 2 B4H10(s) +…

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Q: Water, H2O, is produced industrially by the following reaction: 2H2(g)+O2(g) à 2H2O(l) What volume…

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Q: What volume of hydrogen at 27 °C and 723 torr may be prepared by the reaction of 8.88 g of gallium…

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Q: What is the volume of 4.55 x 1025 molecules of C4Hs at STP (Standard Temperature Pressure)?

A: Given T = 273 K , P = 1atm n= no of moles  = ( 4.55 x 1025 ) / 6.023 x 1023 = 75.54 moles

Q: 1) a) Sulfuric acid, the industrial chemical produced in the greatest quantity each year, is…

A: Given :  Mass of sulphur = 1850 gm  Volume of O2 gas = 6.50 x 104 ml = 65.0 L  Pressure = 0.965 atm…

Q: In the presence of a platinum catalyst, ammonia, NH3, burns in oxygen, O2, to give nitric oxide, NO,…

A: Avogadro's Law states that, at the same temperature and pressure, the volume of a gas is directly…

Q: 12.2p. Assuming air is about 79% nitrogen (N2) and 21% oxygen (O2), calculate the average molar mass…

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Q: 7.If container "A" is occupied by 1.0 mole of oxygen gas (molar mass 32.0 g/mol) while container "B"…

A: Using ideal gas equation,  PV=nRT  If T and P are constant then volume is directly proportional to…

Q: the density of hydrogen is 0.090 g/L and its rate of diffusion is 5.93 times that of chlorine, what…

A: In this question, we want to determine the density of Chlorine.  How we can determine the density of…

Q: Ammonia gas and oxygen gas react to form water vapor and nitrogen monoxide gas , what volume of…

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Q: What volume is occupied by 0.146 mol of CO, at 272.3 K and 915 mmHg? L %3D

A: Given data ,  Moles of CO2(n) = 0.146 mol  Temperature (T) = 272.3 K  Pressure of CO2(P) = 915 mm Hg…

Q: Methanol is synthesized by the reaction of CO2 and H2 as seen in the reaction  CO + 2 H2 = CH3OH…

A: CO2 + 2H2 ---> CH3OH  Temperature = 22°C = 22+273 = 295 K Pressure = 756 mm Hg  = 756 /760 =…

Q: If 95.0 mLmL of nitrogen gas reacts with 35.0 mLmL of oxygen gas, what is the volume of NO2NO2…

A: Concept based on Stoichiometric calculation.

Q: Calculate the ratio of the effusion rates of N2 gas and O2 gas.

A: The rate of effusion of any gas is inversely proportional to the square root of its molar mass. The…

Q: 0.361 g of an unknown liquid occupied a volume of 250.0 mL at 758 mm Hg pressure and 100 °C. What is…

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Q: What is the new volume (in L) of an 34.7 L sample of carbon monoxide, CO, if the pressure changed…

A: In accordance with Boyle's law, the pressure of the gas varies inversely with the volume of the gas,…

Q: What volume of hydrogen at STP can be produced by reacting 8.30 mol of Al with sulfuric acid?

A: Given :-  2 Al(s) + 3 H2SO4(aq) Al2(SO4)3(aq) + 3 H2(g)  number of moles of Al = 8.30 mol  To be…

Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

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Q: The Haber Process synthesizes ammonia at elevated temperatures and pressures. Suppose you combine…

A: We have to calculate the volume of Reactant left.

Q: Hydrogen cyanide is prepared commercially by the reaction of methane CH4(g), ammonia, NH3(g), and…

A: The commercial preparation of hydrogen cyanide is to be expressed.

Q: Gaseous ammonia is synthesized from nitrogen and hydrogen by the reaction N2(g) + 3H2(g)→ 2NH3(g)…

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Q: A mixture of methane (CH,) and butane (C,H,,) at one atmosphere pressure and 25°C has a density of…

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Q: What volume of hydrogen at 27 °C and 72 torr may be prepared by the reaction of 8.88 g of gallium…

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Q: When constant pressure is maintained, what effect does heating a mole of N2 gas have on . . . a)…

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Q: Hydrogen gas can be prepared by the reaction of zinc metal with dilute aqueous hydrochloric acid:…

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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.