If the surface area of a human hand is 165 square centimeters, what is the total weight of the atmosphere on a human hand expressed in pounds?

Q: The atmospheric pressure on top of Mt. Everest (elevation 29,028 ft) is 250. mmHg. Calculate the…

A:

Q: A gas exerts a force of 50N over an area of 10m2. What pressure does the gas exert in Pa?

A: It is provided in the question that the gas considered exerts a force of 50 N over an area of 10m2.…

Q: The density of air at STP is 1.2754 g/L. If your "250 mL" flask held 272 mL of water (also the…

A: GivenVolume of air in the flask = 272mLDensity of air = 1.2754g/L

Q: Liquid mercury has a density of 13.534 g/mL. If a barometer (used to measure pressure) requires…

A: Given : Density of mercury = 13.534 g/mL And volume of mercury required = 12.00 mL

Q: What is the ratio of the rate of effusion of the lightest halogen gas, fluorine, to the lightest…

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

Q: a bag of potato chips is packed and sealed in Los Angles,California, and then shipped to Lake Tahoe,…

A: The external conditions that increase the volume of bag are pressure, temperature and moles.

Q: A 275 L helium balloon is heated from 20 °C to 40 °C. Calculate the final volume assuming the…

A: Given details, V1 = 275 L T1 = 20 °C = 293 K T2 = 40 °C = 313 K To calculate the final volume.

Q: The concentration of Argon in the atmosphere is 9340 ppmv. Express this value in terms of the…

A: Given data: Concentration of argon in atmosphere=9340 ppmv 1.To find percentage of the atmosphere…

Q: d. Some chemical reactions are sensitive to air (oxygen or moisture), they are conducted under…

A: Due to high bond dissociation energy, nitrogen is inert gas.

Q: A prevailing pressure of one standard atmosphere will support a column of mercury 760 mm in height.…

A: Pressure = Density * g * h      Density = 1.59 g/mL                 g = 9.8m/s2 Pressure = 1 atm…

Q: The acronym STP defines standard temperature and pressure as:

A: STP is the abbreviation for Standard Temperature and Pressure. The standard temperature is taken as…

Q: * The Ozone gas at STP contains (6.022 x 10^23) molecules. True Flase

A: Ozone is a trimolecular gas consisting of oxygen atoms. It's chemical formula is O3.

Q: What additional information must be considered to determine the number of moles of gas produced? The…

A: The numbers of moles calculation we require VOLUME , PRESSURE and TEMPERATURE. Volume of gas can be…

Q: Convert 520 mmHg to Pascals.

A: We have given that this is an unit conversion Convert 520 mmHg  to  Pascals

Q: On a rainy day, a barometer reads 743 mmHgmmHg . Convert this value to bars

A: • The values provided in the question are:-    i) Barometer reading on a rainy day = 743 mm Hg…

Q: To three significant figures calculate the relative rate of effusion of He gas to Ar gas.

A: Graham`s law of diffusion: the rate of effusion of a gas is inversely proportional to the square…

Q: The atmospheric pressure on top of Mt. Everest (elevation 29,028 ft) is 0.329 atm. Calculate the…

A:

Q: A weather balloon is released into the atmosphere. You know theinitial volume, temperature, and air…

A: As per the ideal gas law,                                PV=nRT  Here, the pressure P, volume V and…

Q: Determine the molar mass (in g/mol) of a gas that travels with an effusion time that is 1.55 times…

A: According to Graham’s law of diffusion of gases, the rate of diffusion of gases is inversely…

Q: If the surface area of a human body is 255 square inches, what is the total weight of the atmosphere…

A: 14.7 to each square inch. 1 square inch=2.54×2.54 sqaure cm.                       =6.4516 square…

Q: If 0.610g of magnesium was reacted with HCI and 511mL of hydrogen gas was collected over water at 23…

A: given, weight of Mg = 0.610 g   Theoritical yield of H2 = 511 ml   R = 0.082 L.atm.mol^-1.K^-1

Q: column of mercury exerts a pressure of 151, 988 Pa. Calculate the height of this column of mercury.

A: According to the question,  We have pressure exerted by the mercury column = 151988 Pa We need to…

Q: Assume that 67.0 L of N2 gas are needed to inflate an airbag to the proper size. How many grams of…

A: The reaction for the formation of N2 from NaN3 – 2NaN3s →2Nas +3N2g

Q: If 30 mL of helium gas effuses through a small hole in 2.00 minutes, then how long will it take 30…

A: Given data, Amount of helium gas effused = 30 mL time taken  = 2 min = 120 s So, rate of effusion of…

Q: 1.721 atm to mmHg

A: We know that   1 atm = 760 mmHg

Q: Convert 562.7 mm Hg into atmospheres.

A: Unit conversion is an important concept to convert the given units into others by using the…

Q: How fast will nitrogen gas travel if carbon dioxide moves at a rate of 9.56 x 1026 molecules per…

A: According to Graham’s law, if a mixture contains two gases, then the rate of effusion at constant…

Q: How many times faster does chlorine gas diffuse than Bromine g

A: Recall the following expression from Graham's Law of diffusion       rCl2rBr2=MBr2MCl2Molar mass of…

Q: Calculate the rate of effusion of methane gas to nitrogen gas

A: Given Molar mass of Methane gas       = 16 gram/mole  Molar mass of Nitrogen gas       = 28…

Q: Define the relationship of Temperature and Volume in Charles’ Law.

A: Here we are asked to define the relationship of Temperature and Volume in Charles’ Law.

Q: Consider the following reaction: 4Al (s) + 3O2 (g) → 2Al2O3 (s) It takes 2.00 L of pure oxygen gas…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: A balloon is filled inside a chamber to a total volume of 23.0 L. The total pressure in the…

A: Given: Volume (V1) = 23 L                                  Volume (V2) = 36.5 L…

Q: Consider the following reaction: 4 Als) + 3 O2(9) → 2 Al2O3(s) It takes 4.52 L of pure oxygen gas at…

A: From given data  Volume of O2 gas V = 4.52 L    As, at STP T = 273.15 K P = 1 atm   Value of gas…

Q: is the ratio of the rate of effusion of Helium and Neon

A: Since u have posted multiple question. we will solve the first question for u. To get the remaining…

Q: Knowing that carbon makes up 15% of the black powder, calculate the total volume of gases (under…

A: Given, mass of black powder = 0.1kg = 100g  Carbon makes 15% of black powder  So, mass of carbon =…

Q: rate of effusion

A: The rate of effusion of a gaseous substance is inversely proportional to the square root of its…

Q: a patient systolic pressure is measured as 118mm Hg. What is this pressure in units of Atm?

A: Given pressure =118 mm of Hg

Q: application of the gas law in the environment

A: ANSWER IS DISCUSSED BELOW :

Q: calculate the ratio of effusion rates for argon and neon gases. use a ratio of Ar:Ne 1.19:1 .505:1…

A: Interpretation: We have to calculate effusion rate.

Q: how many meters of mercury is equivalent to 1.975 atmosphere

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: 95 Miss Todd is using a pressurized bottle of dry shampoo when she accidently drops it on her…

A: The given conditions are: 1) The bottle of shampoo is under high pressure. 2) It may explode due to…

Q: What is the density of ammonia gas, , at 35°C and 757 mmHg? Obtain the density in grams per liter.

A: Given: Temperature = 35.0 oC = 308 K Pressure = 757 mmHg = 0.9960 atm Molar mass of ammonia gas…

Q: Calculate the ratio of the rate of effusion of hydrogen to the rate of effusion of oxygen.

A: According to Graham’s law, if a mixture contains two gases, then the rate of effusion at constant…

Q: If 12.4L of sulfur trioxide, SO3, decomposes into sulfur dioxide, SO, and oxygen, what volume of…

A: 12.4 L of sulfur Trioxide        Given Reaction :-                SO3 --->SO2 + O2…

Q: Calvin took a 10.0L balloon from San Diego (760mmHg) to the top of Mt. Everest (250mmHg) what is the…

A:

Q: A 2.25-m3 (cubic meters) weather balloon is filled with 372 g of helium gas at 22.0oC. The balloon…

A: Pressure of balloon at altitude , P= 405 torr = ( 405 / 760 ) atm = 0.5329 atm  Temperature T = - 20…

Q: Enter your answer in the provided box. Solid white phosphorus melts and then vaporizes at high…

A: Rate of effusion of gaseous white Phosphorous = RP Rate of effusion of Neon = RNe It is given that…