Convert the following: A.) 76.8 cmHg to atm B.) 27.5 atm to kPa C.) 6.50 atm to bar D.) 0.937 kPa to torr Put in scientific notation

Q: An 0.642 mol sample of nitrogen gas at a temperature of 19.0°C is found to occupy a volume of 27.5…

A: so in this we use PV=nRT V=27.5 l T=19+273=292 K n=0.642 mol P= nRT/V     = 0.642*(0.0821 L atm…

Q: A mixture containing 0.765 mol He(g), 0.330 mol Ne(g), and 0.110 mol Ar(g) is confined in a 10.00-L…

A: Given  No. Of moles of He = 0.765 mol No. Of moles of Ne = 0.330 mol No. Of moles of Ar = 0.110 mol…

Q: (a) The pressure of the gas if 0.145 mol occupies 237 mL at 25°C. atm (b) The temperature (in…

A: From ideal gas equation -  PV = nRT  Where -  P = pressure  V = volume  n = number of moles  R =…

Q: A mixture of oxygen and neon gases, in a 7.03 L flask at 44 °C, contains 1.91 grams of oxygen and…

A: Given that : Volume of flask (V) = 7.03 L Temperature (T) = 44°C = 317 K Mass of Oxygen = 1.91 g…

Q: A mixture containing 0.765 mol He(g), 0.330 mol Ne(g),and 0.110 mol Ar(g) is confined in a 10.00-L…

A:

Q: A cylinder with a moveable piston contains 0.551 mol of gas and has a volume of 251 mL. What will…

A: Initial moles of gas in the cylinder (n1) = 0.551 mol Initial volume of gas in the cylinder (V1) =…

Q: A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass. A 5.25g sample of this gas occupies a…

A:

Q: mixture contains H2 at 325 torr pressure, N2 at 475 torr pressure, and O2 at 650. torr pressure.…

A:

Q: If 34.5 mol34.5 mol of an ideal gas is at 7.77 atm7.77 atm at 94.50 ∘C,94.50 ∘C, what is the volume…

A:

Q: A sealed flask contains 3.1 L of a gas at 2.4 atm and 22.7 °C. If the density of the gas is 9.7 g/L,…

A:

Q: A certain gas occupies 13,1 L at 24.9 atm. What preassure in kPa will cause it to expand to 125.1 L?…

A: Given: Temperature is constant. Initial pressure, P1 =24.9atm  Initial volume, V1 =13.1L Final…

Q: LEWIVIVITVva) Use the References to access important values if needed for this question. A sample of…

A: Ideal gas equation is represented as follows: PV = nRT P = pressure of the gas V = volume of the gas…

Q: The density of an ideal gas at STP is found to be 1.41 g/L. What is its molar mass?

A: The question is based on the concept of ideal gas equation. we have to calculate molar mass of the…

Q: Convert the following: a) 875 Torr to atm. b) 0.670 atm to kPa. c) 745 mL to L. d) 895 C to K.

A: .a. We know 1Torr = 0.00131579 atm Or 875 torr will be 0.00131579*875 = 1.1531 atm =1.1531 atm   b.…

Q: Rank the three components in order of decreasing partial pressure. Rank gases from highest partial…

A: The partial pressure of gaseous molecules depends on the no of molecules of gas. If more is the…

Q: A helium-filled weather balloon has a volume of 655 L at14.9°C and 757mmHg. It is released and rises…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: A sample of 3.00 mol of gas in a 8.00 L container is at 45.0 °C. What is the pressure (in bar) of…

A: In this question,  We use ideal gas equation.       PV=nRT

Q: The air in a scuba tank is comprised of 40.8 atm O2, 152.1 atm N2, 1.76 atm Ar, and 0.340 atm of…

A: Given :  Partial pressure of O2 = 40.8 atm  Partial pressure of N2 = 152.1 atm  Partial pressure of…

Q: The density of 1.00 mol of an unknown gas at a temperature of -76oC and a pressure of 2,387 torr is…

A: Assuming the ideal gas behaviour, The ideal gas law is PV = nRT P = (n/V) RT P = (m/MV)RT  Where, M…