Consider the reaction:  Zn(s) + 2 HCl(aq) --> ZnCl2(aq) + H2(g)   The hydrogen gas is to be collected over water. If 1.836 g of Zn reacts with excess HCl what volume of hydrogen will be collected? The sample of hydrogen gas is collected at 23.0 degrees Celsius. The total pressure is 672 mm Hg. (Nots: the vapor pressure of water is 21.0 mm Hg at 23.0 degrees Celsius.)

Q: A certain laser uses a gas mixture consisting of 7.00 g HCl, 4.00 g H2, and 167 g of Ne. What…

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Q: 2Al + 6HCl --> 2AlCl3 + 3H2   If 75.65g of Al react with excess HCl, what volume is occupied by…

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Q: We add a 1.20-g sample of dry ice to a 755-mL flask containingnitrogen gas at a temperature of…

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Q: Nitrogen monoxide reacts with oxygen to give nitrogen dioxide. NO(g) + O2(g) ----------> NO2(g) A…

A: Each reaction takes place according to their stoichiometric ratio .

Q: Phosphorus trichloride is important in the manufacture of insecticides, fuel additives, and flame…

A: To find: (a) What different molecular masses (in amu) can be found for PCl3? (b) Which is the most…

Q: The combustion of propane occurs when propane interacts with oxygen gas to produce water and carbon…

A: The given combustion reaction of propane is , C3H8(g)+ 5O2(g)---> 3 CO2(g)+ 4H2O(g) Here we see…

Q: Pure nickel metal can be obtained from the thermal decomposition of nickel tetracarbonyl according…

A: First we need to balance given chemical equation and calculate theoretical yield of gas from given…

Q: Nitrogen and hydrogen gases react to form ammonia gas asfollows:N2(g) + 3 H2(g)----->2 NH3(g)At a…

A: The required reaction is given below. Ideal gas law tells that volume is proportional to the number…

Q: Oxygen gas can be prepared by heating potassium chlorate according to the following equation:…

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Q: Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according…

A: Given data contains, Volume of methane gas is 25.5L. Pressure of methane gas is…

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…

Q: 2 C8H18(l) + 25 O2(g) ----> 16 CO2(g) + 18 H2O(g) The above reaction is the reaction between…

A: Mass of C8H18 = 1 gallon  = 4000 g  Molar mass of C8H18 = 114 g/mol   No.of moles =  mass / molar…

Q: Hydrogen gas can be generated from the reaction between aluminum metal and hydrochloric acid. 2Al(s)…

A: 2Al (s) + 6HCl (aq)→ 2AlCl3 (aq) + 3H2 (g)   Mass of Al = 3.0 g Volume of gass flask = V = 850 mL =…

Q: The hydrocarbon octane burns to give CO2 and water vapor. 2 C3H18(9) + 25 02(g) → 16 CO2(g) + 18…

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Q: Cyclopentene, C5H8, is a colorless liquid at room temperature that is used in the synthesis of…

A: Rate constant of a reaction is defined as the rate of reaction when the concentration of each…

Q: At 535 mm Hg and 58.4 °C, a sample of carbon monoxide gas occupies a volume of 0.415 L. The gas is…

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Q: A 0.50 kg block of dry ice (solid carbon dioxide) is allowed to sublime in a sealed piston that has…

A: Combined gas law is the law that incorporates the law of Charles, the law of Gay-Lussac and the law…

Q: Water can react with carbon dioxide to form hydrogen carbanate according to the following chemical…

A: Given :-  H2O (I) + CO2 (g) > H2CO3 (aq)  Mass of H2O = 421 g  Volume = 42.5 L  Temperature =…

Q: The hydrocarbon octane burns to give CO2 and water vapor. 2 CgH18(9) + 25 02(g) - 16 CO2(g) + 18…

A: The given data contains, mass = 0.084 g. Volume = 4.75 L. Temperature = 303.15 K.

Q: A 1.20-g sample of dry ice is added to a 755 mL flask containing nitrogen gas at a temperature of…

A: Given: Mass of the sample=1.20g Temperature=25°C=298K Pressure=725mmHg Volume=755mL=0.755L We know…

Q: Aluminum metal reacts with hydrochloric acid to produce hydrogen gas. 2 Al (s) + 6 HCl (aq) --> 2…

A: Given: Volume of H2 = 2.1 L Temperature = 25.0 oC Total pressure = 694.8 mmHg Partial pressure of…

Q: onsider a 1.53L sample of gaseous SO2 at a pressure of 5.6 x 103 Pa. If the pressure is changed to…

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Q: A chemist weighed out 5.14 gm of a mixture containing unknown amounts of BaO (s) and CaO(s) and…

A: Given values are the following. Pinitial of CO2=750 torr=750760 atm=0.987 atmPfinal of CO2=230…

Q: When gaseous F2 and solid Iz are heated to high temperatures, the Iz sublimes and gaseous iodine…

A: Charle's law: P1T1=P2T2

Q: Ammonia gas is produced by the reaction: N2(g) + 3H2(g) → 2NH3 (g). a.) How many liters of ammonia…

A: Given reaction is: N2(g) + 3H2(g) → 2NH3(g) To find: Amount of ammonia produced (in liters) from…

Q: A weather balloon with a volume capacity of 4.55 x 103 L is filled with helium gas at 1.00 atm and…

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Q: Consider three 1-L flasks at STP. Flask A contains NH3 gas, flask B contains NO­2 gas, and flask C…

A: The kinetic molecular theory seems to be a basic but useful framework for explaining ideal gas…

Q: The following reaction is used to generate hydrogen gas in the laboratory. If 243 mL of gas is…

A: First determine the moles of hydrogen produced from given reaction under given conditions.…

Q: Consider the reaction between 50.0 mL of liquid methanol (CH3OH; d=0.850g/mol) and 22.8 L of O2 at…

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Q: A common way to make hydrogen gas in the laboratory is to place a metal such as zinc in hydrochloric…

A: Given,Volume (V) = 147.6 ml = 0.1476 LP = 743 mm Hg

Q: Chlorine is widely used to purify municipal water suppliesand to treat swimming pool waters. Suppose…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Oxygen gas can be prepared by heating potassium chlorate according to the following equation:…

A: The given reaction is shown below.

Q: Two separate flasks are each filled with a gas at 25.0°C; the valve between them is opened and the…

A: Before mixing both the gases C3H8 and Ne have their initial pressure and volume. After mixing volume…

Q: Small quantities of hydrogen gas can be prepared in the laboratory by the addition of aqueous…

A: Given reaction is: Zn(s)  +  2HCl(aq)  →  ZnCl2(aq)  +  H2(g) Volume of H2  gas collected = 240 mL…

Q: References) Ethane burns in air to give H,0 and CO, 2 C,Ha(g) +7O,(8) 4 CO, (8) + 6 Hạ0(g) a What…

A: From ideal gas behavior at constant temperature and pressure – PV = nRTVn = RTPVn =constantV1n1…

Q: Q1. An organic chemist isolates a colourless liquid from a petroleum sample. She places the liquid…

A: Solution - According to the question - Given -  P = pressure = 754 torr = 0.992atm V = Volume =…

Q: 6) Hydrogen gas can be generated from the reaction between aluminum metal and hydrochloric acid: 2…

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

A: From given  Let us calculate the number of mol of H2 gas formed as follows

Q: 4 C3H5N3O9(l) + 6 N2(g) -> 12 CO2(g) + 10 H2O(g) + 1 O2(g) a. If 2.00 x 102 g worth of…

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Q: Iron reacts with hydrochloric acid to produce iron (II) chloride and hydrogen gas: Fes) + HCl(ag)…

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Q: At 450 mm Hg and 85oC, a sample of carbon monoxide gas occupies a volume of 0.250 L. The gas is…

A: Given, P1 = 450 mm Hg = 0.59 atm P2 = ? V1 = 0.250 Litre V2 = 2.00 Litre T1 = 85 + 273 = 358…

Q: A sample of ammonia (NH3), a colorless gas with a pungent odor, occupies a volume of 3.00 L at a…

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Q: Aluminum metal reacts with hydrochloric acid to produce hydrogen gas. 2 Al (s) + 6 HCl (aq) --> 2…

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Q: When copper metal is added to nitric acid, the following reaction takes place Cu (s) + 4 HNO3 (aq) →…

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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.