1.07 mol sample of methane gas at a temperature of 21.0 °C is found to occupy a volume of 24.7 liters. The pressure of this gas sample is mm Hg.

Q: 1. Write the ideal gas law and define each term in it. Include units.

A: Ideal gas law: It is mathematical relationship between pressure, volume, temperature and number of…

Q: 1. A 0.678 gram sample of gas occupies 0.214 L at standard conditions; what is the molar mass of the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A 1.00-L sample of argon gas at 1.00 atm is heated from 20 °C to 110 °C. If the volume remains…

A: Given data contains, Initial pressure is 1.00 atm. Initial temperature is 20°C=293.15 K. Final…

Q: If 2.84 g Ar are added to 2.08 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A: P( He) = 2.08 atm Using , ideal gas equation PV= nRT , we can calculate the pressure of Ar gas…

Q: STP is 1 atm of pressure.

A: FALSE BECAUSE  STP= STANDARD TEMPERATUE AND PRESSURE(  TEMPERATURE AND PRESSURE UNTILL 1982)…

Q: An ideal gas originally at 0.85 atm and 62°C was allowed to expand until its final volume, pressure,…

A: Given,Initial pressure, P1 = 0.85 atmInitial pressure, T1 = 62 oC = (62 + 273.15) K = 335.15…

Q: A 0.704-g sample of a colorless liquid was vaporized in an evacuated 250.-mL flask at 121°C to give…

A: Given information: Mass of sample = 0.704 g Pressure (p) = 786 mmHg Volume (V) = 250 mL Temperature…

Q: A 521 mL sample of gas contains 0.0354 moles and kept at 307 K. What is the pressure of the gas in…

A: The law of an ideal gas is mathematically expressed as: PV = nRT           .............. (1) P is…

Q: An ideal gas originally at 0.85 atm and 65°C was allowed to expand. until its final volume,…

A: Ideal gas law ,   Ideal gas law state the relation between the pressure, temperature, volume and…

Q: Suppose a 24.3-mL sample of helium gas at 25 C and 1.01 atm is heated to 50. c and compressed to a…

A: Combined gas law equation:-  P1V1/T1 = P2V2/T2

Q: An organic chemist isolates a colorless liquid from a petroleum sample. She uses the Dumas method…

A: Given- Volume (V) of flask=213 mL Temperature =100.0°C Pressure=754 torr Mass of flask+gas=78.416 g…

Q: At standard temperature and pressure, a 1.00 mol sample of Argon gas is vented into a 22.4 L rigid…

A: At standard temperature and pressure N2 act near about as an ideal gas. Argon is an ideal gas Given…

Q: Why do the physical properties of gases differ from each other?

A: The reason for the physical properties of gases differ from each other has to be given.

Q: A certain mass of nitrogen gas occupies a volume of 9.64 L at a pressure of 3.59 atm. At what…

A:

Q: If 3.75 g Ar are added to 4.26 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A: Given mass of argon = 3.75 g Molar mass of argon = 39.95 g/mol Number of moles of argon (n) =…

Q: What volume is occupied by 0.105 mol of helium gas at a pressure of 0.96 atm and a temperature of…

A: PV =nRT  V=nR T/P P=0.96 atm n=0.105 moles T=306K

Q: A sample of methane gas collected at STP occupies a volume of 49.7 L. How many moles of gas does the…

A: The moles of gas in a container depends on the volume, temperature, and pressure of the container.…

Q: A 3.95 g sample of an unknown gas at 69 °C and 1.00 atm is stored in a 1.75 L flask. What is the…

A: The ideal gas equation relates the pressure, volume, temperature, and number of moles of gases of a…

Q: We find that a mass of 0.896 g of a gaseous compound, containing only nitrogen and oxygen, occupy a…

A: By help of Ideal gas equation, we can calculate the molar mass of given compound , we use Following…

Q: A 144.6 mL sample of O2 gas at 509.6 torr is compressed at constant temperature to 87.5 mL. Predict…

A:

Q: What is PRESSURE? What are some of its common units

A: The pressure is one of the properties possessed by a solid, liquid or a gas. The consideration of…

Q: If the temperature of a gas confined to such a cylinder is raised from 221°C to 635°C, what is the…

A: Since the cylinder is confined means no change in moles of gas And pressure is also given constant…

Q: A 0.540 L gas sample is collected at 85°C and 1.00 atm. The mass of the gas is measured to be 1.66…

A:

Q: A sample of argon gas collected at STP occupies a volume of 12.9 L. How many moles of gas does the…

A: At STP, we have the volume of 1 mole of sample as 22.4 L, so we can calculate the number of moles of…

Q: If the temperature of a gas confined to such a cylinder is raised from 251°C to 536°C, what is the…

A: Gas is considered to be the third state of matter. The behaviour of gases can be well explained…

Q: What is the molecular mass of this gas?

A:

Q: Question is attached

A: It is given that gas contains 0.80 moles of argon in a volume of 13.6 L of a gas sample.

Q: What is the volume of this sample?

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

Q: A sample of gas contains 0.1300 mol of H2(g) and 6.500×102 mol of 02(g) and occupies a volume of…

A: Volume of the gas is directly proportional to the number of moles of the gas at constant pressure…

Q: A 334-mL cylinder for use in chemistry lectures contains 5.225 g of helium at 23 °C. How many grams…

A: Given,Mass = 5.225 gMolar mass of helium is = 4.0 g/molVolume = 0.334 LTemperature = 23 oC = 273.15…

Q: The pressure of a gas is inversely proportional to the number of gas particles. O the volume of the…

A: To solve this problem we will use Ideal gas equation .  According to this we will drive the…

Q: define and explain the ideal gas law and avogadro's law in its simplest form

A: Ideal gas law  There are various ways to derive the Ideal Gas Law, but the simplest way is to use…

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: If the temperature of a gas confined to such a cylinder is raised from 272°C to 692°C, what is the…

A: At constant pressure, volume of the gas is directly proportional to its temperature. V1/T1 = V2/T2 =…

Q: You have 854 mL of chlorine trifluoride gas at 755 mmHg and 49°C. What is the mass (in g) of the…

A: According to ideal gas law's, ratio of product of Pressure and volume to the product of temperature…

Q: At 618 mm Hg, a sample of nitrogen gas occupies 490 mL.  What volume does the gas occupy if the…

A: We know Boyle's Law states that, "The absolute pressure(P) exerted by a given mass of an ideal gas…

Q: A mixture of gases consists of helium at a partial pressure of 400. torr, neon at a partial pressure…

A: Applying concept Doltons rule P= PHe+ PN2+ PAr

Q: The mass of 1.12 L gas at STP is found to be 6.23 g. What is the molar mass of gas Y ?

A: Given data is: Volume of gas = 1.12 L  Given mass = 6.23 g The procedure to finding the molar mass…

Q: A sample of 0.264 mol of nitrogen gas takes up 0.9861 L of space at 1.03 atm. At what temperature…

A:

Q: An ideal gas originally at 0.85 atm and 62°C was allowed to expand until its final volume, pressure,…

A: P1V1/T1 = P2V2/T2 V1 = P2V2T1/P1T2

Q: The density of a gas is 1.74 g/L at 31oC and 592 torr.  Calculate the molar mass of this gas. R =…

A:

Q: The mole fraction of Ar in a mixture of gases is 0.829 with a partial pressure of 0.341 atm. What is…

A: The partial pressure of an individual gas is equal to the total pressure multiplied by the mole…

Q: A 33.9−L volume of methane gas is heated from 26°C to 66°C at constant pressure. What is the final…

A: Given  Initial Volume ( V1 ) = 33.9 Liter  Initial Temperature ( T1 )  = 26 ℃…

Q: What volume is occupied by a 1.38 mol sample of helium gas at a temperature of 0 °C and a pressure…

A:

Q: A 1.06 mol sample of hydrogen gas is collected at a pressure of 228 torr and a temperature of 15 °C.…

A:

Q: Calculate the final pressure required to increase the volume of a 5 L sample of gas initially at 1…

A: We have initial pressure as 1 atm, initial volume as 5L,  We have to calculate the pressure…

Q: If 1.27 g Ar are added to 1.17 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

A:

Q: A 33.9−L volume of methane gas is heated from 28°C to 69°C at constant pressure. What is the final…

A: