A 0.535 g sample of an unknown compound occupies 262 mL at 298K and 1.96 atm. What is the molar mass of the unknown compound? 89.0 g/mol 25.5 g/mol 39.3 g/mol 29.8 g/mol 21.7 g/mol

Q: Does oxygen move from the blood to the tissue cells or from the tissue cells to the blood and Why…

A: When we breathe in the oxygen present in the air gets absorbed by the blood present in the veins.…

Q: A sample contains 2.0 moles of He gas and 6.0 moles of Ar gas. What is the mole fraction of He gas…

A: The mole fraction of a component in the mixture is defined by the ratio of moles of that substance…

Q: True or false - if the partial pressure of O2 is 40 torr in the blood and 45 torr in the tissues,…

A: Given that the partial pressure of O2 in the tissues is 45 torr. Partial pressure of O2 in the blood…

Q: The atmospheric pressure is 560 mm of Hg. What is this pressure in Pascals? O 3.64 10³ O 6.30-10-3…

A: Atmospheric pressure = 560 mm of Hg = 560 mmHgPressure in Pascals = ?

Q: a pump takes in 2.0L of air at 700 mmhg and 25 C and compresses it until its pressure is 2500 mmhg…

A: From ideal gas equation,P1 - Initial pressureV1 - Initial volumeT1 - Initial temperatureP2 - Final…

Q: If the total pressure of the system shown in Figure 6.15 is 11.25 atm, what is the partial pressure…

A: Given that,  Total pressure of mixture of Ar and H2 gases pT = 11.25 atm Mole of H2 gas in mixture =…

Q: A mixture of xenon and carbon dioxide gases contains xenon at a partial pressure of 305 mm Hg and…

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Q: 1) A gas mixture at 20.0°C and 2.0 atm contains 0.40 mol of H2, 0.15 mol of 02, and 0.50 mol of N2.…

A: 1- First calculate the mole fraction of H2 gas :  Total moles = ( moles of Hydrogen + moles of…

Q: A mixture of equal masses of propane (C3H8) and butane (C4H10) exhibits a total pressure of 2.50…

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Q: A 0.465 g sample of an unknown compound occupies 245 mL at 298 K and 1.22 atm. What is the molar…

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Q: sealed container is filled with 3.00 g of CO2 (MM = 44.01 g/mol), 5.00 g of Kr (MM = 83.80 g/mol),…

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Q: Kr н If the partial pressure of Kr is 677 torr, calculate the total pressure (torr) of the mixture…

A: The fraction of krypton (f) present in the system is calculate as shown below where AKr is the mass…

Q: Which does not have the same volume as 1.0 mol of N₂(g) at 1.0 atm and 15°C? a mixture of 0.5 mol of…

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Q: A mixture of hydrogen and neon gases is maintained in a 5.33 L flask at a pressure of 3.16 atm and a…

A: A mixture of hydrogen and neon gases is maintainedvolume,v = 5.33L pressure,p = 3.16 atm…

Q: A gaseous compound has a density of 1.87 g/L at 22.0 °C and 1.41 atm. What is the molar mass of the…

A: Given  , Density  of gas = 1.87 g/L Pressure  of gas= 1.41 atm Temperature  of gas =  22.0°C =( 22+…

Q: Arsenic (III) sulfide is reacted with oxygen gas to form arsenic (III) oxide and sulfur dioxide.…

A:

Q: In analysis of an aluminum-zinc alloy, vapor pressure of water from table 1 is 19.827 mm Hg, mass of…

A: According to question, Vapor pressure of water = 19.827 mm Hg, mass of alloy sample = 0.1442g, mass…

Q: What is the total pressure of a mixture of CO2 and H2 if the partial pressures are 120 mm Hg and 170…

A: Given, the partial pressures of gases, CO2 and H2 are 120 mm Hg and 170 mm Hg.we are asked to…

Q: The partial pressure of CH4(g)is 0.215 atm and that of O2(g) is 0.300 atm in a mixture of the two…

A: Answer :---- (a)

Q: Given the following mixture of two compounds 35.00 mL of X (MW-62.00 g/mol)(density 0.834 g/mL) and…

A:

Q: Determine the total pressure of a gas mixture that contains O2, N2, and He

A: According to Dalton's law of partial pressure, the total pressure of a gas mixture is equal to the…

Q: You analyze a mixture of gases and find it is 37.4% N2 (MW = 28.0 g/mol) and 62.4% CH4 (MW = 16.0…

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Q: What is the density of CO2 (g) at 25.0 °C and 3.25 atm? (R = 0.08206 L • atm/K • mol, Molec Wt of…

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Q: At what temperature does sulfur tetrafluoride have a density of 0.270 g/L at 0.0721 atm?

A: The formula of the density in ideal gas is :=> d = PM/RT where, d is density, P is pressure, M is…

Q: When carbon dioxide is at 1 atm and 273k, how many liters make up 28.45 g of carbon dioxide? Molar…

A: Gas equation, PV = nRT

Q: an inhilation anesthetic is composed of 85.7 % C and 14.3 % by mass. At STP the density of this…

A: Desity of anesthetic = 1.88 g/LMass percentage of C= 85.7 % Mass percentage of H = 14.3 %

Q: C3H8(g)-> 6 O2 (g) -> 3 CO2 (g) + 4 H2O (g) how many liters of water are produced at STP 69.2 g of…

A: Given that : Mass of C3H8 = 69.2 g The molar mass of C3H8 is 44.1 g/mol

Q: A gaseous mixture contains 422.0 Torr H2(g), 363.7 Torr N2(g), and 89.1 Torr Ar(g). Calculate the…

A: The mole fraction of a component in the mixture is defined as the ratio of moles of that substance…

Q: A mixture of Ar and Ne in a tank has a total pressure of 7.85 atm. If the mole fraction of Ne is…

A: The partial pressure of Ne  is = 3.7 atm ---> option(b)

Q: H2 is 104.5565L, the temperature of H2 is 295Kelvin, pressure of dry H2 is 0.97654 ATM, moles H2 is…

A: Given pressure of water from  is 19.827 mm Hg, mass of alloy sample is 0.1442g, mass of displaced…

Q: How many moles of helium occupy a volume of 5.00L at 227.0°C and 5.00 atm? (R = 0.0821 atm•L/mol•K)…

A: We will use ideal gas equation

Q: What volume, in milliliters, will 7.0 g of CO2 occupy at STP? ? mL

A:

Q: 3 gases are placed in a container. The partial pressures of the component gases are: N2  0.35 atm,…

A: Using Dalton's Law of according to which total pressure of gaseous mixture is sum of partial…

Q: Equal molar quantities of two gasses of molecular weight 4 and 40 are mixed. The pressure of the…

A: Equimolar quantities of two gases indicates that the gases are having equal moles .Lighter gas…

Q: Hydrogen gas is collected over water at 30°C. The total pressure of the sample is 755 mm Hg. At…

A: Given, hydrogen gas is collected over water at 30 °C and the total pressureof the sample. we are…

Q: . 0.399 moles of CO are contained in a 5.00 L tank at 155°C and 2.80 atm? ______ 5. 18.8 g mass of…

A: Dear student ,   since you have posted multiple parts questions we are allowed to solve only first…

Q: Cvg.cengayehow.coWAY THAPTER /- GASES, LIQUIDS, AND SOLIDS O Previous Page 11 of 26 Ne tO A mass of…

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Q: 13. If 12.0 g of O₂ (molar mass = 32.0 g/mol) and 18.0 g of N₂ (molar mass=28.0 g/mol) are mixed…

A: We have to find the partial pressure of the oxygen.

Q: A student wants to calculate the molarmass for compound X by using the universal gas constant…

A: We can determine the molar mass using the following formulab for ideal gas equation PV=nRT  =>…

Q: We needed to convert from mmHg to ATM because the henrys law constant used ATM

A: According to Henry's law, the amount of a given gas that dissolves in a given kind and volume of…

Q: A mixture of 8.79 g SO2 (M = 64.07 g/mol) and 3.84 g CO2 (M=44.01 g/mol) has a total pressure of…

A:

Q: 10 moles of CH4, 20 moles of C2H6 and 70 moles of C3H8 are kept in a container. The mole fraction of…

A: Given that,  Moles of CH4 in container n1 = 10 mol Moles of C2H6 in container n2 = 20 mol Moles of…

Q: What is the mole fraction of O2 in a mixture of 6.00 g He, 19.0 g O2, and 21.0 g N2?     0.608…

A:

Q: Henry's law constant for O, gas in wNater is 8.6m10- M/atm. 2.5 atm O2 is dissolved in 500 mL of…

A: given pressure of oxygen = 2.5 atm henry's constant = 8.6 × 10-3 M/atm

Q: In which of the following cases is the gas most likely to behave as an ideal gas? (hint: Think about…

A: An ideal gas is a theoretical concept that assumes gas particles have no volume and do not interact…