An unknown perfect gas was confined to a 340 cm^3 container at 23 °C. The container also contained 73 Torr of N2. The total pressure was 353 Torr and the total mass was 48.1 mg. a) What is the molar mass of this gas? b) What is the gas?

Q: If 45.5 g  of O2 and 2.1 g  of CO2 are placed in a 11.1 L  container at 34 oC , what is the pressure…

A:

Q: What is the partial pressure of krypton in the mixture if the total pressure is 816 mmHgmmHg ?…

A:

Q: What mass in grams of each gas is present in a sample containing the gases with the following…

A:

Q: The molar volume of a sample of a gas at 353 Kand 100. atm is 0.204 L mol. At these conditions,…

A: Given that : The molar volume of the gas (Vmolar) = 0.204 L/mol The temperature of the gas (T) = 353…

Q: If 73.5 mol of an ideal gas occupies 77.5 L at 35.00 ∘C what is the pressure of the gas?

A: Given Number of moles (n)  =  73. 5 mol Volume (V) = 77. 5 L Temperature (T) = 35.00 OC Pressure…

Q: If 42.0 g  of O2 and 6.6 g  of CO2 are placed in a 5.6 L  container at 20 oC , what is the pressure…

A: Dalton's law: Dalton's law of partial pressures states that in a mixture of non-reacting gases, the…

Q: 41. Draw the product of each step in the following reaction scheme. For each step indicate the type…

A: The organic syntheses are carried out with the help of many reagents. These conversions involve many…

Q: A 4.57 L container containing a mixture of gases has a temperature of 41.7 °C and a pressure of…

A:

Q: A 2.50 g sample of solid potassium chlorate is decomposed according to the following reaction. If…

A:

Q: A sample of gas is manipulated so that its temperature (in K) triples and its volume is reduced to…

A: An ideal gas will follow the ideal gas equation. The ideal gas equation is given by PV=nRT, where P,…

Q: A mixture of Na and H, gases to be used for ammonia production exerts a pressure of 2.5 atm. If the…

A: N2 and H2 gases are mixed for production of ammonia gas and these gases exerts pressure 2.5 atm. So,…

Q: a sample of neon occupies a volume of 50.4 L at a temperature of 35.0 C and a pressure of 56.0 kPa.…

A: The objective of this question is to determine the number of moles of neon present in the container.…

Q: A mixture containing 0.250 mol N2 (g), 0.150 mol CH4 (g), and 0.100 mol O2 (g) is confined  in a…

A: Recall ideal gas law-                    PV=nRTWhere,pressure of gas is P         Volume of…

Q: A 1.60m3 container holds a sample of O2 gas. At 292 K the pressure of the container is 1.06 x 105…

A:

Q: An engineer is preparing an experimental gas fuel mixture for a rocket launch. There are 5.00 g of…

A: Given

Q: vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was 987 torr. The partial…

A: According to the Dalton’s law For a non-reacting gaseous mixture sum of partial pressure of…

Q: A sample of Helium gas is observed to effuse through a pourous barrier in 5.26 minutes. Under the…

A: Given, effusion time He gas =5.26 minuteseffusion time of unknown gas =17.1 minutesboth the gas has…

Q: At 304.8 K, a 9.58 L tank contains 1.90 moles of H2 gas under a certain pressure in atm. Calculate…

A: Given, Volume = 9.58 L Number of moles = 1.90 mol Temperature = 304.8 K

Q: .A sample of carbon dioxide occupies a volume of 6.70 liters at 105 kPa pressure. What pressure…

A: Given data, V1=6.70 LV2=3 LP1=105 kPa To calculate the new pressure.

Q: ) A piston at 4595 torr contains a gas that occupies a volume of 4.7 L. What pressure would have to…

A: Given- P1=4595torr  V1=4.7L  V2=0.77L  P2=?

Q: A gas made up of atoms escapes through a pinhole 2.04 times as fast as Kr gas. Write the chemical…

A:

Q: For the following reaction, 0.76 moles of A(g) are reacted with 1.25 x 1024 molecules of B(g).…

A:

Q: 3.65 g3.65 g sample of an unknown gas at 75 ∘C75 ∘C and 1.00 atm1.00 atm is stored in a 1.95 L1.95 L…

A:

Q: What volume of hydrogen gas (in L) is produced when 0.381 moles of sodium reacts completely…

A: Moles of sodium=0.381 moles Temperature =35.2 °C=(35.2+273)K=308.2K Pressure=0.869atm R=0.0821…

Q: A 1.00 m3 container holds a sample of O2 gas. At 287 K the pressure of the container is 1.06 x 105…

A:

Q: A mixture contains O2 at 700. torr pressure, F2 at 900. torr pressure, and Cl2 at 400. torr…

A: Given that, Pressure of O2=700 torr pressure of F2=900 torr pressure of Cl2=400torr then,

Q: A gas sample occupies 563 mL at 18.0 °C and 79.2 kPa. How many gas molecules are in the sample?

A: Given,  Volume = 563 mL  Temperature = 18.0 °C  Pressure = 79.2 kPa   To calculate : number of gas…

Q: A 17.31 mol sample of argon gas at 30.40° C occupies 20.20 L. What

A: P V  = n R  T    -----(1)   where  P = pressure of gas  = ? atm  V = volume of a gas = 20.20 L  n…

Q: If a 7.00 gram sample of molecular nitrogen (N2) at 10.0 degrees Celcius occupies 2.50 L, what is…

A:

Q: At 304.8 K, a 9.58 L tank contains 1.90 moles of H2 gas under a certain pressure in atm. Calculate…

A: Ideal gas equation is, PV= nRT Where, P=pressure, V=Volume, n =number of moles R=gas constant…

Q: The mass of an evacuated 255 mL flask is 143.187 g. The mass of the flask filled with 267 torr of an…

A:

Q: partial pressure

A:

Q: A sample of gas has a volume of 2.50 L at 916 kPa and 75.0 °C. What is the pressure (in atm) of the…

A: Given:  P1 = initial pressure of gas = 916 kPa V1 = initial volume of gas = 2.50 L T1 = initial…

Q: At a certain temperature 65.2 mL of air, which is approximately 78% nitrogen, 21% oxygen and 1%…

A: Given : Initial volume of air = 65.2 mL Initial pressure of air = 105.3 KPa And final volume of air…

Q: container was filled with 0.893 moles of N2, 0.687 moles of O2, 0.734 moles of H2, and 0.248 moles…

A:

Q: A 2.00 m3 container holds a sample of O2 gas. At 287 K the pressure of the container is 1.04 x 105…

A: Given,  Volume of the container, V = 2.00 m3                                                 = 2000…

Q: A mixture of gases contains 4.25 grams of CO2 and 2.25 grams of CH4 and has a total pressure of…

A: Given: The mass of CO2, (m1) = 4.25 g. The mass of CH4 , (m2) = 2.25 g. The molar mass of CO2, (M1)…

Q: At 304.8 K, a 9.58 L tank contains 1.90 moles of H2 gas under a certain pressure in atm. Calculate…

A: Given, Volume = 9.58 L Number of moles = 1.90 mol Temperature = 304.8 K

Q: A sample of gas has a volume of 2.50 L at 781 kPa and 75.0 °C. What is the pressure (in atm) of the…

A: Given:P1 = 781 kPa = V1 = 2.50 LT1 = 75.0 oC = (75.0 + 273.15) K = 348.15 KV2 = 3.75 LT2 = 25.0 oC =…

Q: A gas made up of atoms escapes through a pinhole 0.799 times as fast as Kr gas. Write the chemical…

A: Given data, Molar mass of Kr =83.798 g mol-1 Rate of Kr = r  Rate of unknown = 0.799 r Molar mass…

Q: The behavior of 485 mL of an ideal gas in response to pressure is studied in a vessel with a movable…

A: The equation which relates pressure, volume, temperature, number of moles and temperature with each…

Q: A sample of gas at 9.18.5 mmHg occupying a volume of 13,02 L is transferred to a larger container of…

A: Given : Initial Pressure (P1) = 9.185mmHg 1 mmHg = 0.133322KPa Therefore, 9.185mmHg = 1.2245661KPa…

Q: A sample of gas has a volume of 2.50 L at 761 kPa and 75.0 °C. What is the pressure (in atm) of the…

A:

Q: A sample of gas has a volume of 2.50 L at 651 kPa and 75.0 °C. What is the pressure (in atm) of the…

A: Answer:When number of moles of the gas is constant then ideal gas law for a gas is:Here:

Q: A gas cylinder contains 1.70 mol He , 1.80 mol Ne , and 1.80 mol Ar . If the total pressure in the…

A: We have given that  No.of mole of He gas = 1.70mole  No.of mole of Ne gas = 1.80mole  No.of mole of…

Q: A sample of gas has a volume of 2.50 L at 556 kPa and 75.0 °C. What is the pressure (in atm) of the…

A: The relationship between the temperature, pressure, and volume of the initial and final state of an…

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.