Consider the following gas phase reaction.

Q: 4.00 L flask contains 1.40 atm argon at 25°C. a) Calculate the moles of argon gas initially present…

A: We will calculate all parts

Q: One way to reduce air pollution is to remove potential pollutant gases from an exhaust stream before…

A: We know that volume of 1 mole gas at STP is 22.4 L. Mole= volume ÷22.4 Use this formula to get mole…

Q: Automobile air bags employ a chemical reaction involving the rapid decomposition of sodium azide…

A: 2NaN3 →2Na(s)+3N2(g) Molar Mass of NaN3= 65.021 g/mol Volume of gas at STP= 22.4L Standard…

Q: The pressure in Denver, Colorado (5280-ft elevation), averages about 24.8 in.Hg . 1. Convert this…

A: Given: The pressure in Denver, Colorado (5280-ft elevation)= 24.8 inHg We have to convert this…

Q: 4. Dilute hydrochloric acid is added to a 0.500 g sample of an alloy containing zinc and copper. The…

A: When Zn-Cu alloy is treated with diluted HCl, the zinc metal will react only and the copper will not…

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: Oxygen gas speeds up the rate at which food is spoiled. To improve the shelf-life of foods, food…

A: The reason why the given method is not preferred to enhance the shelf-life of all foods has to be…

Q: Multiple-Choice Questions 1. Determine the density of NO gas at 101 kPa and 35 °C in g dm. A 0.012…

A:

Q: A sample of solid potassium chlorate was heated in a test tube and decomposed into potassium…

A:

Q: A sample of argon gas at a pressure of 0.976 atm and a témperature of 27.2 °C, occupies a volume of…

A:

Q: A 2.00 mol sample of nitrogen dioxide was placed in an 80.0 L vessel. At 200 degrees Celcius, the…

A: The balanced reaction taking place is given as, => 2 NO2 (g) -------> 2 NO (g) + O2 (g)…

Q: A gaseous mixture consists of 50.0% O2, 25.0% N2 and 25.0% Cla, by mass. At standart temperature and…

A: O2 =50%  N2 = 25% Cl2 = 25% Total = 100% Consider this % of gas as mass , so we get  O2 =50 g N2 =…

Q: 02--> MgO* Mg+ 13. Balance the following equation: Your answer 14. Using the equation in number 13,…

A: Note: Since you posted  multiple Question. We will solve the first question for you. If you want any…

Q: Acetylene gas reacts with oxygen and burns at high temperature in an acetylene torch. a. Write the…

A:

Q: . If pressure and temperature are kept constant, the reaction of 18 mL of N2 gas with 54 mL of H2…

A: Given data :

Q: Ancient Romans built often out of bricks and mortar. A key ingredient in their mortar was quicklime…

A:

Q: Automobile air bags employ a chemical reaction involving the rapid decomposition of sodium azide…

A:

Q: A 2.00 L reaction container at 25.0 °C contains CO2 (g) and O2 (g). The total pressure of the gases…

A: The partial pressure (p) of a gas is related to the total pressure (Pt) of the gas by the mole…

Q: Calculate the mass of ammonia gas produced from 2.0 L of nitrogen gas in excess hydrogen gas in the…

A:

Q: A 55.8 g sample of AsF5(g) is introduced into an evacuated 10.5 L container at 105°C. i. What is the…

A:

Q: A sample of N² has 1.70 moles and occupies 3.80 L at 25.0°C. A. What voulme will it occupt with 2.60…

A: Consider the given information is as follows; Initial moles of N2 n1 = 1.70 moles          Initial…

Q: What is the density of CH4 gas at 134 °C and at 737 mmHg? (1 atm = 760 mmHg) OA 0.0290 g/L OB.3.73…

A:

Q: 13. Balance the following equation: Mg + 02 --> MgO

A: Since you have asked multiple question, we will solve the first question for you, If you want any…

Q: 6. If excess carbon is present in a container that originally has 1:1 of CO and CO2 and no other…

A: This problem is based on Chemical Equilibrium where we have to use Le Chatelier's Principle to find…

Q: 4. Complete these statements. a. When the amount of gas in a sealed flask is doubled, the pressure…

A:

Q: The units for the ideal gas constant are Omol/L.k kPa.g OkPa.L komol O mol-L kPa.k O L.K mol-kPa…

A: In this question we have to find out the unit of the ideal gas constant.

Q: An unknown mass of aluminum is added to HCl solution. The aluminum metal is completely dissolved in…

A:

Q: A mixture of 1.01 g H2 (Molar mass: 2.016 g/mol) and 17.73 g Cl2 (Molar mass: 71 g/mol) in a…

A: According to Dalton's law of partial pressures , The partial pressure of a component gas in a…

Q: Consider the following gas samples:   Sample A Sample B   S2(g) O2(g)     n = 1 mol n = 2 mol     T…

A: Sample A Sample B S2(g) O2(g) n = 1 mol n = 2 mol T = 800 K T = 400 K P =…

Q: Consider the following balanced chemical reaction: 2H₂ + O₂ → 2H₂0 How many liters of oxygen gas…

A: To determine the volume of oxygen gas (O2) needed to produce 43.2 liters of water (H2O) at STP…

Q: 5. Acetylene gas reacts with oxygen and burns at high temperature in an acetylene torch. a. Write…

A:

Q: What volume of carbon dioxide gas at 20 °C and 1.00 atm is produced from 10.0 g of calcium…

A: given data T=20°CT=20+273KT=293KP=1.0atm10g of CaCO3n=given massmolar massMolar mass of…

Q: 36. How many grams of gaseous boron trifluoride, BF3, are contained in a 4.341-L bulb at 788.0 K if…

A: Assuming the ideal gas behaviour of BF3 molecules, you can say PV = nRT  You have given all other…

Q: Nitrogen gas (N2) reacts with hydrogen gas (H2) to form ammonia gas (NH3). You have nitrogen and…

A:

Q: Ammonium carbamate will decompose into ammonia and carbon dioxide gasas. A 780.7 g sample of…

A: Answer: Decomposition reaction of Ammonium Carbamate is given and we have to find out the number of…

Q: 8. In one lab this semester, you ran the reaction: KCIO3 (s) → KCl (s) + O2 (g). The directions…

A:

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.