The effect of high pressure on organisms, including humans, is studied to gain information about deep-sea diving and anaesthesia. A sample of air occupies 1.00 dm3 at 25°c and 1.00 atm. What pressure is needed to compress it to 100 cm3 at this temperature?

Q: How many moles of an ideal gas occupy 12.5L at 298K and 1.00atm (1.01bar) pressure?

A:

Q: A gas at 7.75 x 10 Pa and 17°C occupies a volume of 850. cm. At what temperature, in degrees…

A: Initial pressure = P1= 7.75 * 104 PaInitial Temperature = T1  = 17°C = (17 +273.15 )K =290.15…

Q: How reliable is the perfect gas law in comparison with the van derWaals equation? Calculate the…

A: The difference in pressure of 10.00 g of carbon dioxide confined to a container of volume 100 cm3 at…

Q: What is the value of the compressibility factor of an ideal gas with molar volume that is equal to…

A: Given:  Pressure = 1 atm  Temperature  = 300 K  Molar Volume (Vm) = 0.50 L/mol  R = 0.0821 atm L…

Q: 4B. The value of the compression factor (Z) approaches 1 for all real gases in the limit as (explain…

A: Compression factor is defined as the factor which corrects the deviation of any real gas from the…

Q: Ammonia is produced industrially by reacting N2 with H2 at elevated pressure and temperature in the…

A:

Q: High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify…

A:

Q: A sample of a gas in a cylindrical chamber with a movable piston occupied a volume of 11.60 liters…

A:

Q: What is the pressure, in kilopascals, on the body of a diver if she is 31.0 m below the surface of…

A: Since we know that the pressure at a depth of h inside water is given by  P = density of water X g X…

Q: What is the height of a column of liquid in a barometer if the density of the liquid is 1.478 g/mL…

A: Formula of pressure: P = hdg Where h = height, d = density, g = acceleration due to gravity Given,…

Q: If 400cm^3 of Q was collected at 25°c and 1.20 x10^5, calculate the volume it would occupy at s.t.p…

A: Volume = 400 cm3 = 0.4 L  Pressure = 1.20 × 105 Nm2  = 1.18 atm Temperature = 25°C = 25 + 273 = 298…

Q: How many grams of zinc must be added to a 100-milliliter solution of 6.00 M HCl(aq) to produce 219…

A: Here, we have to calculate the mass of zinc that must be added to a 100-milliliter solution of 6.00…

Q: A gas at 77.5 kPa and 17°C occupies a volume of 850cm^3, at what temperature in degrees Celsius…

A: The question is based on the concept of ideal gas equation. we have to use combined gas law equation…

Q: Gallium melts just above room temperature and is liquid overa very wide temperature range 130–2204…

A: In a barometer, the relationship between pressure and density is given as :

Q: Use the ideal gas law and Dalton’s law of partial pressures to prove that the mole fraction of gas…

A:

Q: E1C.3(a) A gas at 250 K and 15 atm has a molar volume 12 per cent smaller than that calculated from…

A: E1C 3(a): Given:  T = 250 K P = 15 atm   E1C 3(b): Given: T= 350 K P = 12 atm.

Q: A sample of neon is at 75°C and 115 kPa. If the pressure changes to 127 kPa and the volume remains…

A: Given :-  initial temperature = 75°C  initial pressure = 115 kPa  final pressure = 127 kPa  To find…

Q: What is the density of N2O5 under standard temperature and pressure conditions, in g/L?

A: At standard pressure and temperature, volume of one mole of gas is 22.4 L.

Q: By what factor would a scuba diver's lungs expand if she ascended rapidly to the surface from a…

A: SOLUTION: Step 1: The total pressure (external) on a scuba diver at depth 134.5 ft would be the sum…

Q: 8. What is the molar fraction of air component? Evaluate the average density of air at T = 25 °C.…

A:

Q: A domestic water-carbonating kit uses steel cylinders of carbon dioxide of volume 250 cm3 They weigh…

A: Mass of carbon dioxide is determined as shown below: 1.04 kg-0.74 kg=0.3 kg=300 g Number of moles of…

Q: Complete the following table with the necessarv data P1 P2 V2 4 800 mL 500 kPa 160 mL 0.040 atm 250…

A: Given that : We have to complete the following table :

Q: On the basis of Eq. 1.80 with ß = 1/k,T, derive an expression for the fraction of molecules in a…

A: Given that, β=1kBTdPx=Be-mux2β2dux

Q: In an N2 atmosphere, what temperature would a hot air balloon need to be to achieve neutral buoyancy…

A: Answer  Given that The buoyant force is equal to the weight of the displaced air

Q: Could 25 g of argon gas in a vessel of volume 1.5 dm3 exert a pressure of 2 bar at 30 oC it is…

A: (a) Given data: Mass of Argon = 25 g, Pressure = 2 bar = 1.973846 atm (1 bar = 0.986923 atm), Volume…

Q: 1.1(a) (a) Could 131 g of xenon gas in a vessel of volume 1.0 dm³ exert a pressure of 20 atm at 25°C…

A:

Q: True or false? At 298K, N2 molecules have a mean speed of 475 m/s. As a consequence, the…

A: Mean speed is the average speed of all the molecules with different velocities.  Some molecules may…

Q: Evaluate numerically the fraction of O2 molecules with speeds in the range 100 m s−1 to 200 m s−1 in…

A: Given ,  Range of speeds of O2 molecules is 100 ms-1 to 200 ms-1.           Temperature - 300 K  We…

Q: What pressure, in atmospheres, is exerted on the body of a diver if she is 39 ft below the surface…

A: Pressure exerted by water is calculated as follows,

Q: If a gas occupies 47.6 dm3 at SATP, what is its volume at 1.0 bar and 500 K? The acronym for new…

A:

Q: 1. (a) Could 131 g of xenon gas in a vessel of volume 1.0 dm 3 exert a pressure of 20 atm at 25°C if…

A:

Q: Nitric oxide is an important neurotransmitter. To prepare to study its effect, a sample was…

A: We have to calculate the moles of neurotransmitter.

Q: The average kinetic energy of the molecules in a gas sample depends only on the temperature, T.…

A: Given information:Temperature for nitrogen molecule = 357 KTemperature for helium atom = 357 K

Q: One of the more commonly used compressed gases is nitrogen (N2), often in large metal cylinders. If…

A: Number of moles = 711 mol. Pressure = 5.3 × 104 kPa   ....Or  Pressure = 53000 kPa   ....Or  because…

Q: Calculate the absolute pressure at an ocean depth of 2.8 km. Assume that the density Water, Pwater…

A: Given that:                                   Density of water = 1.025 × 103 Kg/m3…

Q: An organic compound X, contains carbon, hydrogen and oxygen only. Compound X has the following…

A:

Q: To what temperature must a sample of helium gas be cooled from 22.2 °c to reduce its volume from…

A: 1.00 dm3 = 1000 cm3 By Charles law : T2T1 =V2V1  T2(22.2 + 273.15) = 100 cm31000 cm3   T2 = 29.535 K…

Q: 4. The density of a gaseous compound was found to be 1.23 kg/m 3 at 330 K and 20 kPa. What is the…

A:

Q: What pressure would 4.56 g of nitrogen gas in a vessel of volume 2.25 dm3 exert at 273 K if it…

A: Given that: Mass of nitrogen gas = 4.56g Molar mass of nitrogen gas =28g/mol Volume = 2.25 dm3 =…

Q: A 1.0 dm3 glass bulb contains 1.0 x 1023 H2 molecules. If the pressure exerted by the gas is 100…

A: Given information,        A 1.0 dm3 glass bulb contains 1.0 x 1023 H2 molecules and the pressure…

Q: 1. A chemist collects 372 cm³ of gas over water at 90°C and 111.0 kPa. What volume would the dry gas…

A: Note : As per our guidelines we are supposed to answer only one question. Please repost the…

Q: The mass density of a gaseous compound was found to be 1.23 kg m−3 at 330 K and 20 kPa. What is the…

A:

Q: 5- A vacuum gage connected to a tank reads (15 kPa) at a location where the barometric reading is…

A:

Q: Estimate the coefficients a and b in the Dieterici equation of state from the critical constants of…

A: The dielectric equation equation for the pressure is p=R×t×e-aR×T×VmVm-b              (1)the…