NO2 is collected in a 250-mL container at 27°C. The pressure in the container is 216 kPa, what is the mass of the gas?

Q: Find the mole fraction (in percents) of C2 H2 (g) that has undergone reaction.

A: 3C2H2(g)       ⇔      C6H6 (g) Initial pressure         7.0 kPa…

Q: An ideal gas in a sealed container has an initial volume of 2.40 L.2.40 L. At constant pressure, it…

A: An ideal gas in a sealed container has an initial volume of 2.40 L. At constant pressure, it is…

Q: A gas mixture contains 14.4 mol of NO and 6.25 mol of Br2.(a) Compute the mole fraction of NO in the…

A: a) The mole fraction of a species is defined as the number of moles of that species in the mixture…

Q: What are the units of a? What are the units of b? For argon the numerical value of a is 1.337 and…

A: Value of a = 1.337  b = 0.0320

Q: A gas mixture, that has been formulated to simulate the atmosphere of another planet, contains: 320…

A: The atmosphere of another planet contains 320 mg methane, 175 mg argon and 225 mg nitrogen. The…

Q: A certain sample of a gas has a volume of 20.00 dm3 at 0 °C and 1.000 atm. A plot of the…

A: Given,  Volume at 0oC, Vo  = 20.00 dm3 Celsius temperature = θ Slope, m  =  0.0741 dm3 °C−1

Q: The volume of 3.3mol of ideal gas is 45.7L at 350K. Calculate its pressure (in atmospheres).

A: The pressure of the gas can be calculated by using the ideal gas equation, which is expressed as…

Q: 14. In a mixture of 2.15 mol of gas, 0.85 mol are nitrogen (N2) molecules. What is the mole fraction…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: 5. An engineer pumps 5.00 mol of carbon monoxide gas into a cylinder that has a capacity of 20.0 L.…

A: The pressure of an ideal gas will be directly proportional to the temperature of the gas and…

Q: A 0.3 L vessel contains 20 mmol of methane gas at 30 °C. What is the calculated pressure of the gas,…

A: Given  Volume of gas(V) = 0.3 L Temperature (T) = 30°C  = 30 +273.15 K = 303.15 K Number of moles…

Q: A gas cylinder contains 2.45 mol He , 1.85 mol Ne , and 1.60 mol Ar . If the total pressure in the…

A: It is given, 2.45 mol He , 1.85 mol Ne , and 1.60 mol Ar So, total number of moles = 2.45 + 1.85 +…

Q: 1. (a) A column of water in a buret is 336 mm Hg high. How high would that column be if it were…

A: Since you have posted multiple questions, according to guidelines I am solving first one.If you want…

Q: The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to…

A:

Q: A mixture of xenon and methane gases contains xenon at a partial pressure of 354 mm Hg and methane…

A: Partial pressures of xenon and methane are given. We have to calculate the mole fractions of Xe and…

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.