During the decomposition of KClO3, 92.0 mL of gas is collected by the displacement of water at 250C . If atmospheric pressure is 756 mm Hg, what mass of O2 is collected?

Q: A sample of 0.227 mole of gas has a volume of 568 mL at 24 °C. Calculate the pressure in atm of this…

A: Given, Number of moles of gas = 0.227  Volume = 568 mL  1000mL = 1 L 568 mL = 0.568L  Temperature =…

Q: A sample of gas contains 0.1600 mol of HBr(g) and 0.08000 mol of Cl₂ (g) and occupies a volume of…

A: As per Dalton's law, volume and number of moles are directly proportional to each other.

Q: A sample of methane gas collected at STP occupies a volume of 16.0 L. How many moles of gas does the…

A:

Q: A sample of gas contains 0.1200 mol of N2(g) and 0.3600 mol of H2(g) and occupies a volume of 28.7…

A: Answer: 14.35 L is the volume of the sample after the reaction take place.    Given, Initially:…

Q: A 1.65 g sample of an unknown gas at 45 °C and 1.10 atm is stored in a 1.25 L flask. What is the…

A:

Q: A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid: Zn(s) + 2…

A: Zn (s) + HCl (aq) ==> ZnCl2 (aq) + H2 (g)  Volume given = 8.70 L  Temperature = 25°C = 298 K

Q: A gas exerts a pressure of one atm at standard temperature (273K). What must the temperature be…

A:

Q: 3. A 50.0 L sample of gas collected in the upper atmosphere at a pressure of 18.3 torr is compressed…

A:

Q: 8. A 2.0L sample of a gas at 0*C is transferred to a 200.L container at 25*C. What percent of the…

A:

Q: 9. A sample of SO2 is cooled without changing the volume. Which of the following statements…

A: Solution - (9) Answer - Incorrect option is (B)

Q: A sample of gas contains 0.1500 mol of CH4(g) and 0.3000 mol of O,(g) and occupies a volume of 17.0…

A: The reaction taking place is given as  CH4 (g) + 2 O2 (g) --------> CO2 (g) + 2 H2O (g) Given :…

Q: 29. A 275 mL sample of gas is kept at 25°C. What volume will the gas occupy at 100.°C? 30. A 575 mL…

A:

Q: A gas is formed in the reaction shown below. The gas laws can help determine the volume of gas…

A: At STP,  Temperature T = 0 degree C = 0 + 273.15 K = 273.15 K Pressure P = 1 atm  We will use ideal…

Q: Reaction Stoichiometry Involving Gases 71. Consider the chemical reaction: C(s) + H2O(8) CO(g) +…

A:

Q: .63 A mixture containing 0.765 mol He(g), 0.330 mol Ne(g), and 0.110 mol Arg) is confined in a…

A: Given data:

Q: 1. Calculate the temperature of a gas when It is expanded to 5.25L. The gas originally occuples…

A: 1. Given that : The initial volume of the gas = 3.45 L The initial temperature of the gas = 282 K…

Q: 2. A gaseous mixture contains the three noble gases He, Ar, Kr. The total pressure exerted by the…

A: Dalton's law: Dalton's law of partial pressures states that in a mixture of non-reacting gases, the…

Q: Nitric oxide (NO) reacts with molecular oxygen as follows:   2NO(g) + O2(g) →2NO2(g)   Initially NO…

A: Given data: Volume of NO= 3.92 L, Pressure=0.500 atm Volume of O2= 2.09 L, Pressure of O2=1.00 atm…

Q: A sample of nitrogen gas collected at a pressure of 0.817 atm and temperature of 297k is found to…

A: Ideal gas equation, PV=nRT Where, P=pressure, V=Volume, n =number of moles R=gas constant…

Q: 2NO(g) + O2(g) →2NO2(g)   Initially NO and O2 are separated in two different chambers connected by a…

A: First Calculate mole of each reactant by ideal gas equation . Then calculate limiting reagent so…

Q: A sample of gas contains 0.1600 mol of HBr(g) and 8.000×10-2 mol of Cl2(g) and occupies a volume of…

A: The balanced equation is as follows: 2HBr(g) + Cl2(g)→2HCl(g) + Br2(g)

Q: The Kinetic Molecular Theory (KMT) is discussed in this lesson, and it helps us understand the…

A: Postulates of Kinetic Molecular Theory of gases: The particles in a gas moves randomly in all…

Q: 7)An 1.05mol sample of oxygengas at a temperature of 27.0oC is found to occupy a volume of…

A: We have 1.05 mole of O2 gas at temperature of 27 °C, volume as 21.7 l, we have to calculate the…

Q: 1) Consider the following reaction: Mg(s) + 2 HC1(aq) MgCl2 (aq) + H2(g) The total pressure of gas…

A: The reaction is – Mgs + 2HClaq →MgCl2aq + H2g

Q: An 8.00 g sample of gas occupies 22.4 L at 2.00 atm and 273K. What is the molar mass of the  gas? (R…

A:

Q: 11. The combustion of ammonia gas, NH, in oxygen produces nitrogen monoxide, NO and water vapour. a.…

A: Given ,        n NH3 = 4.0 mol   nO2 = 6.0 mol and volume of container (V) = 5.0 L The balanced…

Q: A container of N,0,(g) has a pressure of 0.425 atm. When the absolute temperature of the N,O,(g) is…

A:

Q: Silver oxide decomposes when heated:2 Ag2O1s2 ¡Δ 4 Ag1s2 + O21g2If 5.76 g of Ag2O is heated and the…

A: Introduction: Pressure: Pressure is defined as force applied on a body. The force is applied…

Q: 10.26 A fixed quantity of gas at 21 C exhibits a pressure of 752 torr and occupies a volume of 5.12…

A: Given:Initial Volume V1 = 5.12 L.Initial Pressure P1 = 752 torr = 0.9895 atmTemperature does not…

Q: Consider a 1.0-L container of neon gas at STP. Will the average kinetic energy, average velocity,…

A:

Q: A 44.0 L metal cylinder stores a sample of gas at 6 °C under 1.02 atm. The temperature of the…

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

Q: A sample of gas contains 0.1100 mol of N2(g) and 0.2200 mol of 02(g) and occupies a volume of 11.6…

A: The moles present initially and after reaction are as follows:

Q: Consider a 1.0-L container of neon gas at STP. Will the average kinetic energy, average velocity,…

A:

Q: If 2.14 mol of nitrogen gas and 1.07 moles of oxgyen gas are combined into a 10.0 L container, what…

A: A combined mixture of nitrogen gas and oxygen gas is taken in a 10.0 L container.

Q: 19. If the pressure of a gas is increased and its volume remains constant, what will happen to its…

A: (19) According to Gay lussac's law , at constant volume of a gas , pressure is directly proportional…

Q: How much faster does helium escape through a porous container than ozone, O3? eve aint lo et iclol…

A: Rate of effusion of gases is given by Graham's law. Graham's law said the rate of effusion of gases…

Q: At 25.0° C, a 10.00 L vessel is filled with 5.16 atm of Gas A and 7.89 atm of Gas B. What is the…

A: Answer:- This question is answered by using the simple concept of calculation of mole fraction using…

Q: A sample of gas contains 0.1200 mol of HBr(g) and 6.000x10-2 mol of Cl2(g) and occupies a volume of…

A:

Q: Consider a 1.0-L container of neon gas at STP. Will the average kinetic energy, average velocity,…

A:

Q: Consider four 1.0 L flasks of gases at STP, Flask A contains NO gas, Flask B contains NH3 gas, Flask…

A:

Q: Use Avogadro's law to calculate volume. A sample of gas contains 0.100 mol of N2(g) and 0.300 mol of…

A:

Q: A gas is formed in the reaction shown below. The gas laws can help determine the volume of gas…

A: Zinc reacts with hydrochloric acid to produce zinc chloride and hydrogen gas. Zn(s) + 2 HCl(aq) →…

Q: A 35.0 L sample of gas collected in the upper atmosphere at a pressure of 48.6 torr is compressed…

A: The detail solution is given below

Q: A sample of gas (24.2 g) initially at 4.00 atm was compressed from 8.00 L to 2.00 L at constant…

A: Given, Initially, Pressure of a gas (P1) = 4.00 atm Volume of a gas (V1) = 8.00 L Later, Pressure of…

Q: 29. A 275 mL sample of gas is kept at 25°C. What volume will the gas occupy at 100.°C? 30. A 575 mL…

A:

Q: A sample of gas contains 0.150 mol of N₂(g) and 0.300 mol of H₂(g) and occupies a volume of 21.4 L.…

A:

Q: A gas is formed in the reaction shown below. The gas laws can help determine the volume of gas…

A:

Q: At 55.0 °C, a 16.0 L vessel is filled with 8.25 moles of Gas A and 8.00 moles of Gas B. What is the…

A: A question based on properties of gases that is to be accomplished.

Q: 3. A 2.5-L flask at 15°C contains a mixture of Na, He, and Ne at partial pressures of 0.32 atm for…

A:

Q: 29. A 275 mL sample of gas is kept at 25°C. What volume will the gas occupy at 100.°C? 30. A 575 mL…

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.