Convert 5.55 liters of xenon tetrafluoride, XeF4 at STP (Standard Temperature Pressure) into moles.

Q: What is the volume occupied by 0.255 mol of helium gas at 1.25 atm and 305 K?

A: The given data contains, Number of moles = 0.255 Pressure = 1.25 atm. Temperature = 305 K. Gas…

Q: What is the pressure of a 1.0 L flask containing 0.60 g of He at 25 *C?

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: What is the density of oxygen (O2) gas (molar mass = 32) at 1 atm and 27°C?

A:

Q: is the molar mass of a gas that has a sample mass of 3.17 g and occupies a volume of 548 mL at 2.00…

A: Answer  Calculate molar mass of gas   Gas equation   PV   =    nRT…

Q: What volume of O2 at 798 mmHg and 41 ∘C is required to synthesize 23.0 mol of NO?

A:

Q: How many liters of gaseous hydrogen bromide at 55°C and 0.759 atm will a chemist need if she wishes…

A: Consider the given information is as follows; Temperature (T) = 55°C=55+273.15=328.15 K Pressure (P)…

Q: What volume of CO2 at 15 degrees Celcius and 1.50 atm contains the same number of molecules as 0.410…

A: The initial temperature is 15 C, whereas the final temperature is 35 C. The conversion of…

Q: If 22.5L of nitrogen at 748mm Hg are compressed to 725mm Hg at constant temperature, what is the new…

A: According to Boyle’s law:

Q: How many moles of H2 are contained in 190.0 L of H2 at 1.00 atm and 273 K?

A: Pressure = 1.00 atm & Temperature = 273 K are the conditions of the gas at STP. At STP one mole…

Q: What would be the mass (in kilograms) of a sample of gas with a molar mass of 34.08 g/mol held…

A: The pressure of 1 psi is equal to 0.068 atm. The temperature of 28.0oC in Kelvin is…

Q: Gas

A: We will write the unit of molar mass

Q: What volume of gaseous water, H2O, has the same moles of gas as 10.0 L of xenon gas at the same…

A:

Q: What volume (in mL) of 3.20 M HNO3(aq) needs to be added to excess Na2CO3(s) tc generate 4.85 L…

A:

Q: What is the volume of 3.59g of NO gas at 1.5 atm and 35 Celsius?

A: Given that : Mass of NO gas = 3.59g Pressure = 1.5 atm Temperature = 35°C = 308 K Volume of NO gas =…

Q: What is the pressure of a 4 g sample of nitrogen gas at 25 degress C in a closed 200mL container?

A: Given values, Mass of nitrogen= 4g Temperature=25°C = 298.15K Volume = 200mL= 0.2L Pressure=? Gas…

Q: If an airplane is pressurized to 10.8 psi when flying at high altitude, what is the partial pressure…

A: In this question, we will determined the partial pressure of oxygen in mmHg unit pressure given in…

Q: Given the equation Pv=nRT what is the unit of R if P is in torr, V is in mL, n is in mol, and T is…

A:

Q: .What is the temperature of gas, in K, that is expanded from 2.5 L at 25 C to 4.0 L at constant…

A:

Q: A gas mixture contains 8.3 g of N2, 1.4 g of H2 and 19.2 g of CH4. What is the mole fraction of H2…

A: Given :  Mass of N2 = 8.3 g  Mass of H2 = 1.4 g  Mass of CH4 = 19.2 g  To calculate :  Mole fraction…

Q: What quantity in moles of chlorine gas at 12.0 celsius and 33.3atm would occupy a vessel of 27.5L

A: Given :  Pressure = 33.3 atm  Volume = 27.5 L  Temperature = 12.0°C  To calculate :-  Number of…

Q: What is the volume occupied by a mixture of 0.386 mol of N2 and 0.386 mol of O2 gases at 1.04 atm…

A: The total number of moles of the gas in a mixture is expressed as the sum of the moles of the…

Q: If an ideal gas initially at 0.8 bar and 1.7 L is compressed at constant temperature to a volume of…

A: An ideal gas initially at 0.8 bar and 1.7 L is compressed at constant temperature to a volume of 0.9…

Q: What quantity in moles of chlorine gas at 120.0 °C and 33.3 atm would occupy a vessel of 14.0 L?

A: The number of moles of a substance is determined as the mass of that substance upon its molar mass.…

Q: If 25.0 g O2 at STP is heated to 100.0°C, what is its new volume?

A: At STP Temperature(T1)=273.15K Pressure(P1)=1atm Weight=25gm T2=100°C V2=?

Q: What is the volume of 4.68 g of CO2 gas at 1.5atm and 35°C?

A: Given data, Pressure (P) = 1.5 atm   Temperature (T) = 35°C…

Q: What is the combined volume of 1.0 g of hydrogen gas (H2) and 10.0 g of helium gas (He2) when…

A: The given values are: wH2 = 1 gwHe2 = 10 gT = 20 °C = 293 KP = 5 atmR = 0.0821 L atm K-1 mol-1 The…

Q: A mixture of nitrogen and krypton gases contains nitrogen at a partial pressure of 502 mm Hg and…

A:

Q: What is the volume of 4.55 x 1025 molecules of C4Hs at STP (Standard Temperature Pressure)?

A: Given T = 273 K , P = 1atm n= no of moles  = ( 4.55 x 1025 ) / 6.023 x 1023 = 75.54 moles

Q: What is the equivalent pressure of 0.900 atm in units of mm Hg?

A: Given :- pressure = 0.900 atm  To calculate :- pressure (in mm Hg)  1 atm = 760 mm Hg

Q: What quantity in moles of chlorine gas at 120.0 °C and 33.3 atm would occupy a vessel of 34.5 L?

A:

Q: 3. At what temperature will 0.654 moles of neon gas occupy 12.30 liters at 1. atmospheres?

A: Ideal gas equation:                                          PV=nRT Where, P= Pressure(atm) V=…

Q: 1. What is the molar mass of a gas if 0.427 g of the gas occupies a volume of 125 mL at 20.0°C and…

A:

Q: One unit in R, when used in gas law calculations, that can NOT be changed is  A. oC B. L C. mm Hg…

A: R is a gas constant . Its value can vary depending upon the units used in your requirements.

Q: Using Ideal Gas Law formula: PV=nRT,  at what temperature would 3.67 mole P2O3 gas occupy 67.5L if…

A: Given data,Moles of P2O3=3.67molesVolume=67.5LPressure=115kPa

Q: 1) a) Calculate the number of moles of NO2 that are present in a sample that is made up of 3.74 x…

A: One mole of any gas at STP occupies 22.4 L One mole substance contain 6.023 x 1023 molecules

Q: If 3.9 of propane are at a temperature of 48 c and are under 1.5 atm of pressure , what volume does…

A: Amount of propane = 3.9 g Temperature = 48˚C Pressure = 1.5 atm Volume = unknown Calculation of no.…

Q: 10 How many moleculęs of CO2 gas at 713 mmHg and 56.7°C are present

A: According to the ideal gas equation, PV=nRTP=pressureV=volumeR=gas constantT=temperature

Q: What is the volume in liters of 5.50 moles of CO₂ at standard temperature and pressure (STP)?

A:

Q: What quantity in moles of chlorine gas at 120.0 °C and 33.3 atm would Occupy a vessel of 18.0 L?

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Q: Which one of the following expressions should be used to determine the number of moles of gas, n,…

A: Ideal gas law:  It can be define as the equation which relates volume pressure and temperature for…

Q: What is the molar concentration of the cleaning solutionformed when 10.0 L of ammonia gas at 33°C…

A: To determine the number of moles of ammonia gas, we use ideal gas equation, which is: PV=nRT…

Q: Use the standard molar volume of a gas at STP (1mol/22.4L) to find how many moles of methane (CH4)…

A:

Q: Calculate the mole fraction of each gas in a mixture of 43.6 g Xe and 36.8 g Kr. S

A: Mole fraction of a component is the ratio of number of moles of that component to the total number…

Q: What is the density (in g/L) of a gas with a molar mass of 60 g/mol at 0.75 atm at 27 degrees…

A: Given that For a sample of gas  the molar mass of gas M = 60 g/mol the pressure of gas P = 0.75 atm…

Q: How many milligrams of ammonia gas, NH3, are present in a 78.9 mL sample at STP conditions?

A: Given: Volume of gas = 78.9 ml To find: Mass of ammonia (NH3) =. ?

Q: How many liters of CO2 measured at 26°C and 767 torr are produced in the combustion of 125 mL of…

A: The combustion reaction of propanol is given as: C3H7OH (g) + 92 O2 (g) → 3 CO2 (g) + 4 H2O (g) ⇒3…

Q: a gas mixture with a concentration 320 micrograms of chlorine gas per cubic meter at 30 degree…

A: The solution which contains a solute in particular quantity of solvent is known as concentration.

Q: Calculate the mass (g) of SO3 gas that has a pressure of 4.5 atm when placed in a 20300 mL container…

A: Determination of the mass of SO3 Given: Pressure = 4.5 atm Temperature = 428 K Volume = 20300 mL

Q: What is the molar mass of a gas that has a sample mass of 3.17 g and occupies a volume of 548 mL at…

A: Mass of gas sample (mgas) = 3.17 g Volume occupied by sample (Vgas) = 548 mL or 0.548 L Conversion:…

Q: What quantity in moles of nitrogen gas at 130.0 °C and 13.3 atm would occupy a vessel of 22.8 L?

A: