Magnesium metal is reacted with hydrochloric acid to produce hydrogen gas. A sample of hydrogen gas is collected over water in a eudiometer at 28.0°C.  The atmospheric pressure is 761 mmHg. Determine the pressure (in atm) of the hydrogen gas produced.

Q: 2. A 0.136 g sample of an unknown metal (X) reacted with excess hydrochloric acid according to the…

A: According to ideal gas law PV = nRT where P = pressure in atm = P in mm Hg / 760 = 756 / 760 =…

Q: On a climb up Mount Whitney, the atmospheric pressure drops to 467mmHg. What is the pressure in…

A:

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

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Q: The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a…

A: Total pressure is given as 760 torr. The unit of pressure can be converted as follows, 1 mm Hg=1…

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A: The Molar mass of F2 is 38 g/mol The Molar mass of H2 is 2.016 g/mol

Q: Helium is collected over water at 25°C and 1.00 atm total pressure. What total volume of gas must be…

A:

Q: The volume of a sample of hydrogen gas was decreased from 11.97 L to 5.26 L at constant temperature.…

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

Q: What pressure in mmHg is equivalent to 1.75 atm?

A: Pressure is the force exerted per unit area. Gas particles exert pressure when they collide with the…

Q: The pressure in Denver, Colorado averages about 632 mmHg. How many atmospheres is this?

A:

Q: A steel can with a volume equal to 1.35 L is filled with argon at 22 degrees C.  The can is then…

A: Given : Initial temperature of gas = 22 oC Initial pressure of gas = 765 torr And final pressure of…

Q: A weather balloon is inflated to a volume of 28.5 L at a pressure of 748 mmHg and a temperature of…

A: The ideal gas equation is given below,                                           Where, P is the…

Q: A sample of carbon monoxide was collected over water at a total pressure of 756 torr and a…

A: Given; Total pressure = 756 torr Temperature = 18oC

Q: A sample of 0.19 g mixture containing aluminum reacts with HCl(aq), 134 mL hydrogen gas (H₂)…

A: The ideal gas equation is PV = nRT P = pressure  V = volume n = moles of gas R = gas constant =…

Q: Helium is collected over water at 25°C and 1.00 atm total pressure. What total volume of gas must be…

A: Given:Total pressure 1atm = 760 torr.Temperature = 25°C = 273.15 K + 25 = 298.15KMass of Helium =…

Q: 91. A room is 16 ft x 12 ft x 12 ft. Would air enter or leave the room if the temperature changed…

A: Given :               Volume of the room = 16 ft X 12ft X 12ft                    T1 = 270C = 300K…

Q: Calculate the partial pressure of a hydrogen gas sample collected over water at 30 degree C if the…

A:

Q: Temp. = 25°C Pressure = 8 atm Temp. = 25°C Pressure = 2 atm Elaborate on the relationship…

A: Temperature  is constant.  Pressure  of small box= 8 atm Pressure  of big box = 2 atm

Q: Convert 11 atm to mmHg.

A: Given 1 atm= 770mm of Hg 11 atm=?

Q: The volume of a sample of hydrogen gas was decreased from 12.62 L to 5.91 L at constant temperature.…

A: According to Boyle’s law,

Q: A tank contains a mixture of helium, neon, and argon gases. If the total pressure in the tank is…

A: Daton law total pressure exerted by a mixture of gases is equal to sum of partial pressure of gases…

Q: The atmospheric pressure in Mexico City (elevation 2240 m) is 0.770 atm. Calculate the atmospheric…

A: For the above question, we will use these conversion factors: 1 atm  = 760 mm Hg  1 atm = 760 torr…

Q: The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a…

A: According to Dalton's law of partial pressure         total pressure of any system is…

Q: The partial pressure of nitrogen in the atmosphere is 0.781 atm. Calculate the partial pressure in…

A: Atm, mmHg and torr are different units of pressure.  The conversion factor for the pressure from atm…

Q: 1.066g sample of potassium metal is placed in water and the gas produced is collected over water in…

A: A. When potassium metal reacts with water, it forms potassium hydroxide and hydrogen gas .  The…

Q: Experimental studies of solid surfaces and the chemicalreactions that occur on them require very low…

A: Converting pressure from torr to atm, we get:  5×10-10760=7×10-13 atm Hence, the pressure in…

Q: The atmospheric pressure in a laboratory where gases are being prepared is 745.3 mm Hg, and the…

A: As the pressure of the atmosphere and bottle are equalized hence the pressure of the O2 gas in the…

Q: The volume of a sample of hydrogen gas was decreased from 11.09 L to 4.38 L at constant temperature.…

A: Boyle's law This law states that the absolute pressure exerted by a given mass of an ideal gas is…

Q: 10. Air contains nitrogen, oxygen, argon and trace gases. If the partial pressure of nitrogen is 587…

A: When gas is closed in a container then, gaseous molecule create partial pressure inside it. Pressure…

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

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Q: An automobile tire is filled with air at a pressure of 30 lb/in2 at 18 °C. The temperature drops to…

A: An automobile tire is filled with air at a pressure of 30 lb/in2 at 18 °C. The temperature drops to…

Q: 55.1 grams of sodium metal reacts with excess HCl to produce hydrogen gas and NaCl. The hydrogen gas…

A:

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: A bag of potato chips is packaged at sea level (1.00 atm) and has a volume of 0.315 L. If this bag…

A: Step : 1             Calculate the air pressure.

Q: An experimenter had a gas container that could change its volume. Several times, after setting the…

A: Given:- An experimenter measures pressure at different volumes at room temperature. We have to…

Q: The volume of a sample of hydrogen gas was decreased from 14.17 L to 7.46 L at constant temperature.…

A: This problem can be solved using Boyle's law. It is given as  P1V1 = P2V2 Where, P1 is the initial…

Q: Normal tire pressure is approximately 32PSI at 78ﾟF tires normally will blow out at temperatures…

A: Given data,Initial pressure(P1)=32PsiInitial temperature(T1)=78oFFinal temperature(T2)=400oF

Q: Specify each of the following pressure values in atmosphere pressure units.  A.  489 torr…

A: We know that,  1 atm=760 torr so,

Q: A weather balloon is inflated to a volume of 26.8 L at a pressure of 736mmHg and a temperature of…

A: Ideal gas is also called a perfect gas. Ideal gas is a gas in which pressure P, volume V and…

Q: A tank contains 748 mmHg of oxygen and 0.253 atm of helium. Calculate the total pressure in mmHg.

A: Conversion of unit of pressure from atm to mmHg:1 atm = 760 mmHg0.253 atm = 760 * 0.253 = 192.28…

Q: The hydrogen gas formed in a chemical reaction is collected over water at 30 Celcius at a total…

A: In this question, we want to determine the partial pressure of Hydrogen gas in mmHg unit. You can…

Q: The volume of a sample of hydrogen gas was decreased from 14.68 L to 7.97 L at constant temperature.…

A: Given :  initial volume = 14.68 L  final volume = 7.97 L  final pressure = 8.59 atm  To calculate :…

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

A:

Q: A sample of oxygen gas, which is saturated with water vapor, is kept in a 10-L vessel at 30 oC and

A: Total pressure is the sum of gas pressure and water vapour pressure.  i.e  Ptotal = Pgas + Pwater…

Q: A weather balloon is inflated to a volume of 26.4 L at a pressure of 740. mmHg and a temperature of…

A:

Q: A 88–L sample of dry air cools from 132°C to –41°C while the pressure is maintained at 2.88 atm.…

A: According to Charles's law, the volume of the gas decreases when the temperature of the gas…

Q: The partial pressure of carbon dioxide in the atmosphere is 0.239 torr. Calculate the partial…

A: Given;

Q: An expandable balloon filled with 100.0 L of helium at 750 torr and 20°C is launched from ground…

A: As per the given data in the question,P1 = 750 torr; V1 = 100.0 L; T1 = 20 + 273 = 293 KP1 = 190…

Q: A sample of oxygen gas is collected by displacement of water at 25 Celsius and 1.21 atm total…

A: Given: Temperature = 25oC Total Pressure = 1.21 atm Vapor pressure of H2O =23.756 mmHg To calculate:…

Q: On a given day, the prevailing atmospheric pressure in Tahoe City, CA (elevation 1890 meters) might…

A:

Q: A weather balloon is inflated to a volume of 24.5 L at a pressure of 750 Torr and a temperature of…

A: The Charles’s law may be stated as the unique case of ideal gas in which the species volume is…

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.