Assume you have an open ended manometer filled with an oil having a density of 0.7153 g/mL at 20°C rather than mercury (density = 13.546 g/mL at 20°C). What is the pressure in atmospheres if the level of the arm open to the atmosphere is 109.88 cm lower than the level in the arm connected to the gas sample? The atmospheric pressure reading is 747.02 mm Hg.

Q: A sample of a gas mixture contains the following quantities of three gases.   compound mass CO…

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Q: A 20.0-L cylinder containing 11.34 kg of butane, C4H10, was opened to the atmosphere. Calculate the…

A: An ideal gas is defined as the collisions between the molecules or atoms that are perfectly elastic…

Q: If a gaseous mixture is made by combining 1.33 g Ar and 2.47 g Kr in an evacuated 2.50 L container…

A: When amount of Ar and Kr are added, volume remains same. So, sum of partial pressure of each gas is…

Q: Calculate the total pressure (in atm to 2 sf) in a container with 616 torr N2, 104 torr O2, and 40.…

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Q: If a gaseous mixture is made by combining 4.77 g Ar and 2.34 g Kr in an evacuated 2.50 L container…

A: Pi = Xi x P Where, Pi = partial pressure of gas i,             Xi = mole fraction of gas i…

Q: If a gaseous mixture is made by combining 3.07 g Ar and 2.59 g Kr in an evacuated 2.50 L container…

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Q: What is the volume occupied by 2.34 g of carbon dioxide gas at 0°C and 1 atm? А. OL В. 1.19 L С.…

A: Given values are,  Mass of CO2= 2.34 g Temperature = 0°C = 273.15°C Pressure = 1 atm Now , We know,…

Q: A sample of gas at 998.1 mmHg, occupying a volume of 12.07 L, and at a temperature of 28.73 3…

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Q: A 34.8 L tank of Ar gas is connected to an evacuated 87.5 L tank. If the final pressure is 640 mmHg,…

A: Boyle's law states that, at constant temperature, T and no. of mol, n: P  α  1V where P is the…

Q: A sample of hydrogen gas occupies a volume of 2.25 L at a pressure of 628 mm Hg and a temperature of…

A: For a gas, assuming ideal behavior, the relation between pressure (P), volume (V) and temperature…

Q: 7. A mixture of three gases is contained in a steel tank with a volume of 2.50-L and has a total…

A: Given: Volume of the tank, V= 2.50 L Total pressure  of the gas, P = 1560 mm-Hg amount of Ne = 25%…

Q: A sample of gas in a balloon has an initial temperature of 35 °C and a volume of 1200 L. If the…

A: Ideal gas equation is  PV= nRT  At constant pressure and amount , Pressure is directly proportional…

Q: first volume is 2.22L, which exerts a pressure of 450mmHg. If the volume changes to 4.8L, what is…

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Q: A sample of argon gas at a pressure of .924 atm and a temperature of 20.2 degrees Celsius, occupies…

A: Given for argon gas P1 = 0.924 atm T1 = 20.2 °C = (20.2 + 273)K = 293.2 K V1 = 437 mL Temperature is…

Q: What is the pressure (in millimeters of mercury) inside a container of a gas connected to an…

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Q: When 8.56 g of neon is combined in a 21.27 L container at 92.1oC with 32.55 g of argon, what is the…

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Q: 1atm = 101.325kPa = 14.7psi = 760mmHg = 160 torr = 29.92 in HgA   chemist collects 59.0mL of SO 2…

A: According to Boyl's law, at a constant temperature, the pressure (P) is inversely proportional to…

Q: A sample of nitrogen gas at 298 K and 894 torr has a volume of 31.2 L. What volume will it occupy if…

A: Boyle's law:  According to Boyle’s law, the absolute pressure exerted by a given mass of an ideal…

Q: A mixture of oxygen and neon gases, at a total pressure of 668 mm Hg, contains 3.00 grams of oxygen…

A: 1- First we will determine the moles of O2 and Ne :  moles of O2 ( n1 ) = [ Mass / Molar mass ]…

Q: A gas occupies 2.50 L at 20.0 °C. What would its volume be at 60.0 °C? Assume the pressure is…

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Q: A very flexible helium-filled balloon is released from the ground into the air at 20. ∘C. The…

A: Given: Initial pressure = 760 mm Hg. Initial temperature = 20 oC Initial volume = 5.00 L Final…

Q: A gas sample has a volume of 13.5 L at a pressure of 1.23 atm and a temperature of 34 degrees…

A: Calculate the moles of gas sample,       P V = n R Tn = P VR T= 1.23 atm × 13.5 L0.0821 L atm/mol K…

Q: A 1.0-L container of liquid nitrogen is kept in a closet measuring 1.0 m by 1.0 m by 2.0 m. Assuming…

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Q: If someone takes a breath and the lungs expand from 4.5 L to 5.6 L in volume, and the initial…

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Q: 67. The hydrogen gas formed in a chemical reaction is collected over water at 30.0 °C at a total…

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Q: A scientist does an experiment to collect a gas in a chamber that maintains standard pressure.…

A: Standard pressure = 1 atm = 760 mm Hg Also, for ideal gas- P1V1 = P2V2

Q: A gas cylinder contains 1.70 mol He, 1.75 mol Ne, and 1.65 mol Ar. If the total pressure in the…

A: The species partial pressure will be equivalent mathematical product of the total pressure and the…

Q: A sample of gas at 830.0 mmHg and occupying a volume of 12.66 L has an increase in pressure to…

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Q: Convert the following to the units indicated.  1. 20.00 g/cm 2 to atmospheres 2. 30 inHg to mmHg 3.…

A: One unit can be converted to another unit

Q: A helium-filled balloon used in long-distance flying contains 420,000 ft3 (1.2  107 L) of helium.…

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

Q: 0.0380g of Mg strip reacted completely with 6 M HCl in the gas buret of 35.8 mL oh hydrogen gas is…

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Q: An airplane is pressurized with air to 700 mmHg If the partial pressure of oxygen drops below 95.0…

A: The formula for calculating the total pressure of the mixture of gases by using the partial pressure…

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

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Q: Calculate the volume that 156 grams of SO2 occupies at 227 oC under a pressure of 1020 torr.…

A: Consider the given information is as follows; Mass of SO2 = 156 g Temperature = 227°C=227+273=500 K…

Q: If a scuba diver inhales 0.50 L of air at a depth of 100. ft and 4.0 atm pressure, what volume does…

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Q: A balloon is filled with helium gas to a volume of 2.5 L at a pressure of 99.6 kPa and a temperature…

A: Ideal gas law is a combination of all the gas laws.  Boyle's law gives the relationship between…

Q: A mixture of 2.0 x 1023 molecules of N2(g) and 8.0 x 1023 molecules of CH4(g) exerts a total…

A: Dalton’s Law of Partial Pressures states that the total pressure exerted by the mixture of…

Q: Calculate the number of moles of carbon dioxide gas present in a 1.50 L flask at STP.   A sample…

A: We need to know some basic factsVolume of 1 mole of an ideal gas at STP is 22.4 LIf number of moles…

Q: Two flasks at the same temperature are joined by a glass tube with a stopcock. Flask A is a 5.0 L…

A: Gas 1 : Pressure = P1 Volume = V1  Gas 2  : Pressure = P2 Volume = V2  When these two gases are…

Q: A gas was found to have a density of 7.135 g/L at 12.0 °C and a pressure of 825 torr. What is the…

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Q: A volume of dry gas measures 85 ml at 21°C and 758 mmHg. What volume would this gas occupy if…

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Q: The atmospheric pressure on the surface of Venus is 6.84 × 10 ' torr. Calculate the atmospheric…

A: We have to convert the given atmospheric pressure in torr to mmHg and atm. The atmospheric pressure…

Q: 8) Consider the apparatus pictured below, which consists of two containers separated by a valve.…

A: The ideal gas equation is PV=nRTP=nRTV

Q: A refrigerant in an air-conditioning unit has a volume of 0.30 L. The unit is kept running in a room…

A: According to Boyle's Law, pressure has an inverse relationship with volume at constant temperature…

Q: A mixture of argon and nitrogen gases, at a total pressure of 844 mm Hg, contains 5.58 grams of…

A: Moles of argon = 5.58 / 40 = 0.1395 moles  Moles of nitrogen = 2.45 / 28 = 0.0875 moles  Total moles…

Q: A 10.5 L balloon contains helium gas at a pressure of 655 mmHg. What is the final pressure, in…

A: GivenVolume of ballon = V = 10.5 LPressure of ballon = P =  655 mmHg

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

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Q: A mixture of neon and nitrogen gases, at a total pressure of 889 mm Hg, contains 3.54 grams of neon…

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Q: A sample of hydrogen fluoride gas occupies 1250 mL at STP.  What is the pressure in mmHg if the…

A: We will use the ideal Gas Equation for solving this problem.

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.