A solid sample of Rb2SO3 weighing 6.24 g reacts with1.38 L gaseous HBr, measured at 75°C and 0.953 atmpressure. The solid RbBr, extracted from the reaction mixture and purified, has a mass of 7.32 g.(a)  What is the limiting reactant?(b)  What is the theoretical yield of RbBr, assuming complete reaction?(c)  What is the actual percentage yield of product?

Q: 8. Consider the reaction of solid copper(I) sulfide with oxygen gas to produce solid copper(I) oxide…

A: A balanced chemical equation is one that contains an equal number of atoms on both sides of the…

Q: Sulfur dioxide is an intermediate in the preparation of sulfuric acid. What volume of SO2 at 343 °C…

A: The balanced chemical equation for the reaction is: Thus, 1 mole of S gives 1 mole of SO2.

Q: How many moles of nitrogen occupy 52.07 L at 119.09 kPa and 62.48 oC?

A:

Q: Consider the combustion reaction between 25.0 mL ofliquid methanol (density = 0.850 g/mL) and 12.5 L…

A: Number of moles can be determined as follows:

Q: What is the volume occupied by 10.8 g of nitrogen gas at 780 mmHg and 38.0 oC?

A:

Q: Propane, C3H8(g), is used in gas grills to provide the heat for cooking. What volume of O2(g)…

A: Combustion is a process of burning a material (usually fuel) at high temperature in the presence of…

Q: Lithium  metal reacts with molecular  oxygen  gas to form  lithium   oxide . A closed container of…

A: kkThe given data contains, Pressure = 8.12×105Pa   ( 1 atm =105Pa )Pressure =8.12 atmVolume =4…

Q: Calculate the pressure (atm) exerted by 1.00 mol of gascontained in a 7.55-L cylinder at 458C.

A: The effect of pressure and temperature is measured by Boyle’s law and Charles's law respectively.…

Q: What volume in liters does 0.137 g of O₂ occupy at 27.2 °C and 755 torr? Assume the standard…

A:

Q: A 1.52-gram sample of iron (III) perchlorate was decomposed according to the reaction below,…

A: First the moles of oxygen gas produced in the reaction is determined using ideal gas equation. Then…

Q: A gaseous compound has a density of 1.63 g/L at 27.5 °C and 1.30 atm. What is the molar mass of the…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: A compressed gas cylinder of CO2 gas has a volume of 23.5 L at room temperature (25C) and a pressure…

A: Given, volume of CO2 = 23.5 L Temperature  = 25°C = (273+25) = 298 K Pressure = 650 KPa  = 650/101 =…

Q: During the making of steel, iron(II) oxide is reduced to metallic iron by treatment with carbon…

A: The moles of Fe can be calculated as

Q: What is the density of propane gas (CH3CH2CH3, 44.1 g/mol) at 25°C and 650 mmHg?

A: GivenTemperature = 25°C = 298KPressure = 650 mm of HgAssuming 1 mole of gas was there at STP, and…

Q: Consider the combustion reaction between 25.0 mL ofliquid methanol 1density = 0.850 g>mL2 and…

A: Density of the substance is equal to the ratio of mass to volume of the substance. The number of…

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: In alcohol fermentation, yeast converts glucose to ethanol and carbon dioxide: C6H12O6(s) →…

A:

Q: Hydrogen gas is produced when zinc reacts with sulfuric acid: Zn(s) + H2SO4(aq) → ZNSO4(aq) + H2(g)…

A:

Q: The process of wine making involves the fermentation of glucose, where 650 mL of CO2 gas was…

A: Final volume of gas can be calculated using Ideal gas equation: PV = nRT, where P is pressure, V is…

Q: What pressure is exerted by a sample of nitrogen gas of mass 3.055 g in a container of volume 3.00…

A: Number of moles of the substance is equal to the ratio of mass to the molar mass of the substance.…

Q: Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The…

A: Interpretation: Butane, C4H10 is a component of natural gas that is used as fuel for cigarette…

Q: At what pressure would 0.15 mole pf nitrogen gas occupy at 24 degrees Celsius and 8.9L?

A:

Q: Hydrogen gas is produced when zinc reacts with sulfuric acid:Zn(s) + H2SO4(aq)------>ZnSO4(aq) +…

A: According to the gas equation, P V = n R T … (1) Substituting the values in eq (1),  {1 L * torr =…

Q: A 2.135g sample of a gaseous chlorofluorocarbon occupies a volume of 315.5 mL at 739.2 torr and…

A:

Q: What is the density of propane gas (CH3CH2CH3, 44.1 g/mol) at 25°C and 650 mmHg

A: The numerical is to be solved based on ideal gas equation  P=Pressure of gas in atmosphere V=volume…

Q: In an N2 atmosphere, what temperature would a hot air balloon need to be to achieve neutral buoyancy…

A: Answer  Given that The buoyant force is equal to the weight of the displaced air

Q: The CO2 released from another mineral sample was collected in an evacuated flask connected to an…

A: The explanation is given below-

Q: what is the density in (g/L) of H2 a 15 ℃ and a 1020 mmHg?

A: Given, pressure =1020 mm Hg =1.34 atmtemperature =15°C =(15+273.15)K =288.15 Kgas constant =0.0821…

Q: What minimum pressure in psi would a 250-ml aeroso can have to withstand if it were to contain 2.50…

A:

Q: What volume, in mL, would 1.00 grams of N2(g) occupy at a temperature of 18.5 oC and a pressure of…

A: The given data is as follows: The mass of N2 = 1.00 grams The temperature of the gas = 18.5…

Q: What is the pressure of 64.32 g of nitrogen, N2, if it occupies 7.7777 L at 25oC?

A:

Q: In the reaction,   MgCO3(s)⟶MgO(s)+CO2(g)MgCO3(s)⟶MgO(s)+CO2(g)   what mass of magnesium…

A: Stoichiometry of reaction.

Q: 21. During the combustion of ethane (C₂H6) 200. L of carbon dioxide are produced at 780. mm Hg and…

A: The alkane undergoes combustion reaction to form carbon dioxide and water.  The ideal gas equation…

Q: 2. There is 1250. cm³ of chlorine gas at 25°C and 90,000 Pascals, what volume will the same gas…

A: Combined gas equation is the combination of Boyle's law, Charles law and Gay lussacs law.

Q: What volume of O2(g) measured at 25 °C and 760 torr is required to react with 17.0 L of ethylene,…

A:

Q: what is the density of iodine gas at 30 degree celsius and 2.12atm

A: Given, Formula of iodine gas = I2 Temperature (T) = 30°C = (273.15 + 30) K  = 303.15 K Pressure (P)…

Q: If 5.15 g of Ag2O is sealed in a 75.0-mL tube filled with 760 torrof N2 gas at 32 °C, and the tube…

A: The initial temperature of the tube is 32oC. The initial pressure of the tube is 760 torr (=1atm)…

Q: Magnesium  metal reacts with molecular  chlorine  gas to form  magnesium   chloride . A closed…

A: Ideal gas equation is the combination of Boyle's law, Charles' law, Avogadro's law and is given by,…

Q: The alkali metals [Group 1A(1)] react with the halogens to formionic metal halides. What mass of…

A: The given data contains, Volume = 5.25 L Pressure = 0.950 atm Temperature = 293 K Gas constant…

Q: If a 7.00 gram sample of molecular nitrogen at 10 c occupies 2.50l, what is the pressure of the…

A: The pressure in the given question can be determined by using ideal gas equation- PV = nRT.…

Q: The density of a gaseous compound was found to be 1.23 g/L at 330. K and 0.197 atm. What is the…

A:

Q: The combustion method used to analyze for carbon and hydrogen can be adapted to give percentage N by…

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

Q: What is the density of Freon-11 (CFCl3) at 135°C and 2.7 atm?

A: Given;

Q: In one of his most critical studies into the nature of combus-tion, Lavoisier heated mercury(II)…

A: Given information,    40.0 g of mercury(II) oxide is heated in a 502-mL vessel and 20.0% (by mass)…

Q: You have an equimolar mixture of the gases SO2 and O2, along with some He, in a container fitted…

A: Given: equimolar mixture of the gases SO2 and O2 along with some He, in a container fitted with a…

Q: What is the density of carbon dioxide gas (CO 2, 44.01 g/mol) at 25°C and 650 mm Hg?

A:

Q: 3. What is the temperature of 1.2 moles of Helium gas at 1950 mm Hg if it occupies 15,500 ml of…

A: Combine Gas law of ideal gas -PV = nRTwhou volume of n mol of gas is V at pressure P andtemperature…

Q: The rare mineral nesquehonite contains MgCO3 together with water ofhydration. A sample containing…

A:

Q: how many moles of chlorine gas at 120 degrees Celcius and 33.3 atm would occupy a vessel of 16 l?

A:

Q: What pressure is exerted by 129.5g of CH4 in a 0.3900 L steel container at 215.7k?

A: If a gas behaves like an ideal gas, it will follow the ideal gas equation. It gives the relationship…

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.