What volume is occupied by 0.250 grams of O2 measured at 25.0oC and 100.66 kPa?

Q: You have a sample of an unknown gaseous compound which has a density of 8.51 g/L at 55.0 °C and 88.6…

A: Given: Density of gas = 8.51 g/L Temperature = 55.0oC = 55+273=328.0 K Pressure = 88.6 kPa

Q: Q4// A-Aclosed container of volume 0.02m contains a mixture of neon and argon at tempreture 27°c and…

A: Volume = 0.02 m3  Pressure = 1 × 105 Nm-2 Temperature = 27°C = 27 + 273 = 300 K  Total mass of gases…

Q: What volume of carbon monoxide at 29°C and 1.16 atm is required to react completely with 84.9 g of…

A: 1) First find the volume of CO at STP conditions

Q: How many moles of nitrogen occupy 52.07 L at 119.09 kPa and 62.48 oC?

A:

Q: Suppose the O, gas evolved by a certain chemical reaction taking place at 50.0 Cis collected over…

A: Given: Temperature = 50oC Volume of gas collected in the collection tube = 118 mL To determine: Mass…

Q: It takes 169 s for an unknown gas to effuse through a porous wall and 97 s for the same volume of…

A: It is given that an unknown gas takes 167 seconds to effuse and nitrogen gas takes 97 seconds to…

Q: What is the molar mass of a gas if a 0.227 g sample occupies 135 mL at 25 *C and 68.5 kPa? *

A: Ans is 60.81g/mol

Q: The two isotopes of uranium, 238U and 235U, can be separated by effusion of thecorresponding UF6…

A:

Q: What is the ratio of effusion rates for the lightest gas, H₂, andthe heaviest known gas, UF₆?

A: Molar mass of H2 gas =2.00 g/mol Molar mass of UF6 gas =352.02 g/mol

Q: What is the density of carbon dioxide gas at -25.2°C and 98.0 kPa?

A: It is given that:Pressure (P) = 98.0 kPaTemperature = -25.2 °C

Q: A gas occupies 17 L at a pressure of 102.3 kPa and 299 K. If the gas is cooled to 250 K and the…

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

Q: At what temperature will 5g of f2 exert a pressure of 120kpa at a volume of 0.75L?

A: By help of Following Ideal Gas formula, we can determine the temperature of the Fluorine gas (F2) -…

Q: The volume of a sample of helium is 4.5ml at 20C and 203kpa, what will its volume be at 10C and…

A: Given data,Initial volume(V1)=4.5mL=0.0045LInitial Temperature(T1)=20oC=293KFinal volume(V2)=?Final…

Q: A given volume of Nitrogen (28.02 g/mol) needs 52.3 seconds to effuse from a hole in a chamber.…

A:

Q: What pressure will be exerted by 25g  of CO2 at a temperature of 25 C and a volume of 500mL

A:

Q: 4. Calculate the mass of a 4.5 L balloon filled with chlorine gas at 67.0°C and 103.2 kPa?

A: The pressure, volume, temperature and number of moles of a an ideal gas is related to each other by…

Q: Q4// A-Aclosed container of volume 0.02m° contains a mixture of neon and argon at tempreture 27°c…

A: Given : Volume = 0.02 m3 Temperature = 27°C Pressure = 1×105 Nm-2 Total mass = 28 g To find : Masses…

Q: What is the volume of 0.188 moles of fluorine gas contained at 27.1oC with a pressure of 151.95 kPa?

A: According to ideal gas equation, the pressure, volume, the number of moles and the temperature are…

Q: Calculate the molar mass of an unknown gas that has a mass of 4.55g, exerts a pressure of 2.55atm,…

A: We are given gas having the mass of 4.55 gram and  it exerts a pressure of 2.55 atm and occupies a…

Q: S. What pressure in mmHg will be exerted by 2.6 moles of a gas contained in a 6 Liter vessel at 180…

A: 8. Given data : Number of moles = 2.6 moles Volume = 6 L Temperature = 180 K

Q: calculate the density of CO2 in g/L at 0.990 atm and 55C?

A:

Q: How many grams of methane are in a 1,497 mL tank at 115.3 degrees C and 688 kPa?

A: Given data,   Methane gas (CH4) in tank  Volume (V) = 1497 mL  = 1.497 L Temperature (T) = 115.3 °C…

Q: What temperature (in kelvin) would 9.92 mols of hydrogen be if held in a 130 L container at 82.12…

A: Given that,  Moles of hydrogen gas in container n =  9.92 mol Pressure of Hydrogen gas P = 82.12 kPa…

Q: 10.000 grams of zinc metal are placed into a flask containing 100.0 mL of 3.00 M hydrochloric acid.…

A: A numerical problem based on stoichiometry, which is to be accomplished.

Q: hat would the volume of the gas be at a pressure of 65.0 kPa?

A: According to the Boyle's law, if two gases are kept under same temperature having equal moles, the…

Q: What pressure is exerted by a mixture of 2.40 g of H2 and 10.00 gof Na at 273°C ina 10.0L container?

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Q: A 0.479 g sample of nitrogen, oxygen or neon gas occupies a volume of 265 mL at 157 kPa and 20◦C.…

A:

Q: What is the molar mass of a gas if a 0.227 g sample occupies 135 mL at 25 °C and 68.5 kPa?

A:

Q: Three glass bulbs, joined by closed stopcocks, have the following volumes and initial pressures of…

A: Bulb A: 100. mL of H2S(g) at 190. torrBulb B: 200. mL of He(g) at 1.00 atmBulb C: 500. mL of N2 (g)…

Q: How many moles of helium gas occupy 13.9 LL at 103 KK and 2.30 atmatm?

A: According to ideal gas law  PV = nRT Where volume of n mols of gas at temperature T and pressure P =…

Q: At what temperature would 2.10 mol N₂ exert 126.65 kPa of pressure in a 25.0 L tank?

A:

Q: What pressure is exerted by a sample of nitrogen gas of mass 3.055 g in a container of volume 3.00…

A: Number of moles of the substance is equal to the ratio of mass to the molar mass of the substance.…

Q: How many grams of Al203 are formed from 15.0L of 02 at 97.3 kPa and 21 degrees C according to the…

A: 113.96 grams of Al2O3 will form.

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: what pressure is exerted by 870.2g of CH4 in a 0.630L steel container at 240.8K?

A: According to ideal gas law  PV = nRT  where P = pressure in atm  V = volume in L = 0.63 L (given) n…

Q: What pressure in atm is equivalent to 105.2 kPa?

A:

Q: A 0.479 g sample of nitrogen, oxygen or neon gas occupies a volume of 265 mL at 157 kPa and 20°C.…

A:

Q: A 0.179g sample of an unknown halogen occupies 109mL at 398K and 1.41 atm. What is the identity of…

A:

Q: 0.56g of ethene gas is 1 poin contained in a vessel at a pressure of 102 kPa and the temperature of…

A:

Q: A sample of nitrogen occupies 9.5 liters at 32 oC and 85.7 kPa. What would be the volume at 20 oC…

A: We can use the gas equation to calculate the volume of the gas at a different temperature and…

Q: A gas occupies 17 L at a pressure of 102.3 kPa and 299 K. If the gas is cooled to 250 K and the…

A: given, initial volume = 17 L initial temperature = 299 K initial pressure = 102.3 kpa final pressure…

Q: What is the total pressure exerted by a mixture of 2.00 g ofH21g2 and 8.00 g of N21g2 at 273 K in a…

A: The given data contains, Volume = 10.0 L. Temperature =273 K gas constant R =0.0821 L.atm.mol-1K-1

Q: A scientist isolates a sample of gas that occupies a volume of 678.1 mL at 104.3 kPa and 39.27 °C.…

A: Inert gas equation: -  PV=nRT (104.3*0.01atm)*(0.678 L) = n * 0.0821*(39.27 +273.15) n = 0.0275…

Q: A sample of 1.00 moles of oxygen gas at 50C and 98.6 kPa occupies what volume?

A: a gas is said to be ideal gas if it follows the equation PV = nRT

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: A gas at constant temperature occupies a volume of 2.40 dm3 and exerts a pressure of 110 kPa.  What…

A:

Q: For O2 at 1 atm and 298 K, what fraction of molecules has a speed that is greater than vmp?

A:

Q: A hyperbaric chamber has a volume of 1450 LL. How many kilograms of O2O2 gas are needed to give an…

A:

Q: At conditions of 115 kPa of pressure and a temperature of 18.4C, a gas occupies a volume of 44.3 mL.…

A: When the temperature and pressure of the gas is changed from 115 kPa to 60.3 kPa and 18.4 °C to 30.6…

Q: if the density of water is 1.00g/ml and desity of density of mercury is 13.6g/mL,how high a coloumn…

A: Since the pressure = 1 atm                                    (  standard atmospheric pressure)…