What is a manometer? How does it measure the pressure of a sample of gas?

Q: A 1.35 g sample of an unknown gas at 43 ∘C and 1.10 atm is stored in a 1.45 L flask. What is the…

A: The density is calculated by using given mass and volume.

Q: A sample of oxygen gas, which is saturated with water vapour, is kept in a 10 L vessel at 30° C and…

A: Given, Total pressure, (PO2 + PH2O) = 758 Torr Pressure of water vapor, (PH2O) = 31.8 Torr

Q: Since helium is lighter than air, it is difficult to measure the mass of a sample, so to find out…

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Q: At what altitude does the atmospheric pressure drop from 760 Torr to 560 Torr at 25°C? (Molecular…

A: Given, initial pressure =760 torrand final pressure =560 torrtemperature =25 °Cmolecular weight of…

Q: To what volume would you have to change 6.5 liters of a gas at 1.25 atm in order to decrease its…

A:

Q: A tank contains oxygen at a pressure of 2.00 atm. what is the pressure in the tank in terems of the…

A: Option (A): conversion of ‘atm’ into ‘torr’ as shown below,

Q: The pressure exerted by gas molecules inside a container is due to gas molecules colliding with the…

A:

Q: What final pressure must be applied to a sample of gas having a volume of 200. mL at 20.0°C and 750.…

A: Initial volume = 200 ml  Initial temperature = 20°C   Initial pressure = 750 torr Final volume = 600…

Q: What is the equivalent pressure of 1520 torr in units of atm?

A: Applying concept of conversation of torr to atm.

Q: Use the kinetic molecular theory to explain why the pressure of a gas in a fixed-volume container…

A: Kinetic molecular theory attempts to explain the behaviour of gases with theoretical assumptions .…

Q: If gaseous mixture is made of 2.41 g of He and 2.79 g of Ne in an evacuated 1.04-L container at 25…

A:

Q: A 275-mL flask contains pure helium at a pressure of 752 torr. A second flask with a volume of 475…

A: Ideal gas law is given as: PV=nRT

Q: Calculate the molar mass of a gas that has a density of 1.70 g/L at STP

A:

Q: If the pressure exerted by a gas at 25°C in a volume of 0.044 L is 3.81atm, how many moles of gas…

A: As per the ideal gas equation, P V=nRT where P is the pressure, V is the volume, n is the moles of…

Q: Why do the physical properties of gases differ from each other?

A: The reason for the physical properties of gases differ from each other has to be given.

Q: Consider the following samples of gases: If the three samples are all at the same temperature,…

A: The moles of gases present in the three samples are: At constant temperature and volume, the…

Q: A 725 mL sample of helium gas has a pressure of 205 torr. What is its volume when the pressure is…

A: According to Boyle's law P1V1 = P2V2 = Constant ( At constant Temperature)or P1P2 = V2V1By apply…

Q: If the mercury in a manometer raises 43.0 millimeters due to a change in pressure, what is the…

A: Mercury in manometer raises 43.0 millimeter So the pressure is 43.0 mmHg Recall the relation between…

Q: What pressure in atmospheres corresponds to 720.3mm Hg?

A: We have to convert the unit of given pressure (720.3 mmHg) from mmHg to atmosphere.

Q: How does Dalton's law of partial pressures help us with our model of ideal gases? That is, what…

A:

Q: Consider the flask apparatus in Exercise 85, which now contains 2.00 L H2 at a pressure of 360. torr…

A:

Q: If an unknown quantity of gas is held at a temperature of 789 K in a container with a volume of 28.0…

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Q: Which of the following instruments would be used to measure the pressure of a gas sample relative to…

A: We know that, Pressure represent the force applied perpendicular to the surface of any object per…

Q: Choose a depiction of a gas sample containing equal molar amounts of argon and xenon as described by…

A: The relation between velocity and the molar mass of a gas is given in equation (1).

Q: What are the common units of pressure? List them in order of smallest to largest unit.

A: Pressure is the perpendicular force per unit area. The formula is given by Pressure=ForceArea

Q: What are the basic postulates of kinetic molecular theory? How does the concept of pressure follow…

A: The kinetic molecular theory of gases can be stated as four postulates. 1) A gas consists of…

Q: why in barometers mercury is preferred to measure pressure but not the water?

A: Mercury is used in barometers since it has low vapor pressure hence it can expand more easily when…

Q: a student did an experiment wherein she cooled the hot air balloon which was on its way into the…

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

Q: What is PRESSURE? What are some of its common units

A: The pressure is one of the properties possessed by a solid, liquid or a gas. The consideration of…

Q: Which gas law does NOT have a directly proportional relationship between its properties? Boyle…

A: The gas law that does NOT have a directly proportional relationship between its properties has to be…

Q: A balloon with a 2.00 L volume contains 1.10 moles of gas. How many moles would have to be released…

A: The ideal equation for gas is given by,                                               PV = nRT…

Q: 1. What is pressure? 2. What are the different units that can be used to measure and express…

A: Welcome to bartleby !  As per company norms we can answer first three parts .So, I am answering…

Q: A sample of oxygen gas occupies 1.9 L at pressure of 1156 torr. What volume will it occupy when the…

A: 2. Given :- initial volume = 1.9 L                Initial pressure = 1156 torr                Final…

Q: How does the kinetic theory (temperature versus energy help explain some of the properties of gases?

A: As per kinetic theory of gases, the energy of gases increases as we increase the temperature i.e,…

Q: Calculate the total pressure, in atm, of a gus mixture Composed of the following in a 16.92…

A: According to the ideal gas equation, the pressure of a gas is given by: Where, P = pressure of the…

Q: Please give some details that will help to understand the concepts of the following Gas Laws:…

A: 1. Boyle's Law : Boyle's Law is a gas law which states that the pressure exerted by a gas ( of a…

Q: The following are a list of parameters of a gas in a sealed container: Initial Pressure = 1.50 atm…

A: Initial Pressure = 1.50 atm Initial volume = 2 L Initial temperature = 27 °C     ( 0°C = 273.15 K  )…

Q: To what temperature must a sample of nitrogen at 39.2oC and 0.511 atm be taken so that its pressure…

A: Applying formula P1/T1= P2/T2

Q: The partial pressure of gas in a mixture of gases is the pressure that the gas would have if it were…

A: For gases, it is assumed that the volume occupied by the gas is equal to the volume of the container…

Q: If a mass of nitrogen gas occupies a volume of 4 liters at 720 torr, what pressure will this same…

A: Given P1 = 720 torr V1 = 4 litre P2 = ? V2 = 3.9 litre

Q: At 618 mm Hg, a sample of nitrogen gas occupies 490 mL.  What volume does the gas occupy if the…

A: We know Boyle's Law states that, "The absolute pressure(P) exerted by a given mass of an ideal gas…

Q: How does the volume of an ideal gas at constant temperature change as the pressure increases?

A: At constant temperature, pressure of given mass of the ideal gas is inversely proportional to the…

Q: A 14.36 mol sample of argon gas at 95.98 °C occupies 24.00 L. What is the pressure in kPa? Provide…

A:

Q: What is Dalton’s law and how is it used to relate partial pressures and the total pressure of a gas…

A: To define: Dalton’s law To explain: relation of Dalton’s law with partial pressures and the total…

Q: Explain the different methods of measuring pressure?

A: Pressure is force per unit area.The SI unit for pressure is the pascal. Other units of pressure are…

Q: True or false. In a closed rigid container filled with gas molecules, the pressure exerted by the…

A: Given statement : In a closed rigid container filled with gas molecules, the pressure exerted by the…

Q: At a pressure of 740 Torr, a sample of gas occupies 5.00 L. Calculate the volume of the sample if…

A: according to  Boyles law:- the volume of a gas at constant temperature varies inversely with the…

Q: A gas occupies 1.40 L at 0.90 atm. What pressure would it exert if the volume were allowed to…

A: P1V1 = P2V2

Q: What is pressure and what units are used to measure it?

A: Pressure is defined as force/thrust acting normally per unit area. Pressure is a scalar quantity, as…