A Bourdon pressure gauge shows a pressure of 1.151 MPa. If the absolute pressure is 1.25 MPa, find the atmospheric pressure in millimeters of mercury? [Ans. 743 mm]

Q: A 0.300 g sample of carbon dioxide, CO2, has a volume of 570 mL and a pressure of 412 mmHg.

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Q: A sample of nitrogen gas has a pressure of 6.58 kPa at 539 K. If the volume does not change, what…

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Q: BOYLE'S LAW An unknown gas has an initial pressure of 145 kPa and a volume of 1.1 L. If the volume…

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Q: A balloon inflated with one breath of air has a volume of 1.7 L. At the same temperature and…

A: Initial volume (V1) = 1.7 L  Initial moles = 1 mole  Final moles = 1+2 = 3 mole

Q: It is calculated that an experiment will yield 8.34 L of hydrogen gas at STP. If the actual…

A: STP means standard temperature and pressure, where the temperature is 0 0C or 273 K, and pressure is…

Q: What is the pressure of the gas in this mercury manometer if h = 75 mm and atmospheric pressure is…

A: Given, the image of the mercury manometer: Given, h = 75 mm Atmospheric pressure = 765 mmHg We have…

Q: A helium-filled weather balloon has a volume of 728 L at 18.9°C and 758 mmHg. It is released and…

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

Q: A helium-filled weather balloon has a volume of 613 L at 17.9°C and 754 mmHg. It is released and…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: You have 3.50L of NO at a temperature of 120.°C. What volume would the NO occupy at 37°C? (Assume…

A: I am answering second question only. Because you mention to answered that question only.

Q: A closed container is filled with oxygen. The pressure in the container is 455 kPa . What is the…

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Q: A helium-filled weather balloon has a volume of 537 L at 21.9°C and 753 mmHg. It is released and…

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Q: If a balloon has a volume of 1.147 L at a pressure of 1.863 atmospheres, what will be the volume of…

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Q: A helium-filled weather balloon has a volume of 686 L at 22.9°C and 751 mmHg. It is released and…

A: For two different states of an ideal gas with a constant number of moles, the combined gas law…

Q: Calculate the height of a column of carbon tetrachloride, CCI4 (1), with a density of 1.59 g/mL that…

A: Equation for the pressure exerted by fluid is,     P = d × g × h  d = density of the fluid g =…

Q: A balloon is filled inside a chamber to a total volume of 18.2 L. The total pressure in the…

A: According to Boyle’s law, at constant temperature the pressure P of a gas differs inversely to its…

Q: A helium-filled weather balloon has a volume of 759 L at 20.9°C and 759 mmHg. It is released and…

A: Ideal gas equation  The equation that gives the relationship between temperature, pressure and…

Q: A 2.01 L flask containing 2.31 g of helium gas (molar mass = 4.003 g/mol) is separated by a stopcock…

A: Solution:      Number of moles in a solution is given by the ratio of number of moles of substance…

Q: part a. The balloon that Charles used for his initial flight in 1783 was destroyed, but we can…

A: According to ideal gas equation; PV = nRT where, P=pressure of the ideal gas = 745 mmHg =…

Q: f0.0951 grams of nitrous oxide (NO2) are placed in a container at a pressure of 27 mmHg at 82°C,…

A: Given data:- Mass of NO2 gas = 0.0951 g  So, no. of moles of NO2 = mass / molar mass = 0.0951 g /…

Q: A helium-filled weather balloon has a volume of 878 L at 22.9°C and 759 mmHg. It is released and…

A: Given P1 = 759mmHg , V1= 878 L, T1 = 22.9°C = 295.9°K P2 = 325mmHg , V2 = ?, T2 = -21.9°C = 251.1°K

Q: A bag of potato chips contains 595 mL of air at 30.0°C and a pressure of 755 mm Hg. Assuming the…

A: V1= 595 ml T1=30°C=(30+273)K=303K P1= 755 mmHg P2=446mmHg T2=10°C=(10+273)K=283K V2=?

Q: A balloon filled with 2.00 L of helium initially at 1.65 atm of pressure rises into the atmosphere.…

A: Interpretation: From the given information, volume of balloon occupied in the instant before it…

Q: What is the pressure of the gas in this mercury manometer if h = 89 mm and atmospheric pressure is…

A: Manometer is an instrument which is used to measure pressure of a gas.

Q: A weather balloon is inflated to a volume of 28.6 L at a pressure of 740. mmHg and a temperature of…

A: 8

Q: A weather balloon is inflated to a volume of 29.9 L at a pressure of 748 mmHg and a temperature of…

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Q: · A cylinder of O2(g) used in breathing by emphysema patients has a volume of 3.00 L at a pressure…

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Q: A balloon filled with 2.00 L of helium initially at 1.15 atm of pressure rises into the atmosphere.…

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Q: A weather balloon is inflated to a volume of 28.6 L at a pressure of 736 mmHg and a temperature of…

A: Given: Initial: P1 = 736mm, V1 = 28.6L  T1 = 31℃  Final: P2 = 375mm, V2 = ?  T2 = -16.1℃

Q: What is the pressure of the gas in this mercury manometer if h = 65 mm and atmospheric pressure is…

A: Given- Mercury level (h) = 65mm Atmospheric pressure = 771 mm Hg To calculate - pressure of gas in…

Q: A sample of ammonia (NH3) gas is completely decomposed to nitrogen and hydrogen gases over heated…

A: Step : 1             Calculate the partial pressures of nitrogen and hydrogen.

Q: The equivalent pressure gauge of a compound gauge measuring a pressure of 25.3 inches mercury isL…

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Q: BOYLE's LAW A balloon, originally at 2.21 iters and 1.01 atmospheres is expanded to 23.4 liters.…

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Q: If someone takes a breath and the lungs expand from 4.5 L to 5.8 L in volume, and the initial…

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Q: A sample of oxygen gas has a volume of 3.18 L at 31°C. What volume will it occupy at 145°F if the…

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Q: A helium-filled weather balloon has a volume of 512 L at 16.9°C and 758 mmHg. It is released and…

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Q: A balloon is filled with 652 mL of helium at a pressure of 1.00 atm. What is the new volume, in…

A: Given, A balloon is filled with 652 mL of helium at a pressure of 1.00 atm.

Q: A helium-filled weather balloon has a volume of 594 L at 18.9°C and 753 mmHg. It is released and…

A: Given,  A helium filled weather balloon has a volume of 594 L at 18.9 °C and 753 mmHg. After release…

Q: Calculate the pressure, in atmospheres, if 2.55x10-3 mol occupies 413 mL at 136 °C. Express the…

A: Ideal gas equation: The temperature, pressure, volume, and mole of the gas are related to the ideal…

Q: A 0.817-g sample of a colorless liquid was vaporized in an evacuated 250.-mL flask at 121°C to give…

A: Given data is as follows: The mass of the sample = 0.817 g The volume of the flask = 250 mL = 0.250…

Q: Hydrogen is collected over water. If the total pressure is 792 mmHg and the pressure caused by water…

A: Dalton's Law of partial pressures states that sum of partial pressure of all gases in a mixture is…

Q: [References] You fill a balloon with helium gas to a volume of 3.68 L at 23°C and 789 mmHg. What…

A: At constant temperature volumn of gas is inversely proportional to pressure

Q: A cylinder contains helium gas with a volume of 2.60L at 20°C and 768 mmHg. If the balloon ascends…

A: Given:: V1=2.60 L P1=768 mmHg P2=614 mmHg V2= ?

Q: A helium-filled weather balloon has a volume of 564 L at 15.9°C and 757 mmHg. It is released and…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: A closed container is filled with oxygen. The pressure in the container is 455 kPa. What is the…

A: Given data contains, Pressure in the container is 455kPa.

Q: A helium-filled weather balloon has a volume of 687 L at 21.9°C and 757 mmHg. It is released and…

A: For the phase change of the ideal gas the temperature, pressure, and volume of the initial state and…

Q: 1. Freon in an air-conditioning unit has volume of 0.30 L. it is allowed to function in a room where…

A: The relation between pressure and volume at a constant temperature is given by Boyle's law.  It…

Q: what volume would it occupy at an altitude where the temperature is -52.0℃ and the pressure is…

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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.