Description : Two moles of an ideal gas expand spontaneouly into vacuum. The work done is :-
Last Answer : Two moles of an ideal gas expand spontaneouly into vacuum. The work done is :- A. Zero B. 2 J C. 4 J D. 8 J
Description : Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be
Last Answer : Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be A. 3 Joule B. 9 Joule C. Zero D. Infinite
Description : How many moles of an ideal gas will occupy a volume of 20 liters at 3.5 ATM and 280K?
Last Answer : The number of moles is 3,046.
Description : 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is (A) 4 J (B) ∞ (C) 0 (D) 8 J
Last Answer : (C) 0
Description : Regardless of the process, the change in enthalpy firm moles of ideal gas is a. Heat b. Enthalpy c. Entropy d. Density
Last Answer : Heat
Description : a gas has a pressure of 766.7 torr at a temperature of 10.0°C. the sample contains 2.35 moles of xenon. what is the volume of the gas in liters?
Last Answer : Using PV=nRT, 10.0ºC = 283.15ºK, R = 62.36 L torr/mol KV= (nRT)/PV = (2.35m*(62.36 L torr/mol K)*283.15ºK)/766.7 TorrV = 54.12 L
Description : Nitrogen gas is filled in a container of volume 2.32 L at 32°C and 4.7 atm pressure. Calculate the number of moles of the gas.
Last Answer : Nitrogen gas is filled in a container of volume 2.32 L at 32°C and 4.7 atm pressure. Calculate the number of moles of the gas.
Description : What the number of moles in 24 g of oxygen gas?
Last Answer : 24 g of oxygen gas (O2) is equal to o.75 moles.
Description : What is the number of moles in 24 g of oxygen gas?
Last Answer : The number of moles in 24 g of oxygen gas (O2) is 0,75.
Description : When a gas of 3.4 moles occupies a volume of 40.6 L at 298 K what is the pressure of the gas in kPa?
Last Answer : The pressure is 207,5 kPa.
Description : If 4 moles of gas are added to container that already holds 1 mole of gas the pressure inside the container due to the change in the amount of gas?
Last Answer : 5 moles
Description : How many moles of NH3 gas will be formed if 7.9 moles of nitrogen gas react?
Last Answer : Write the balanced equation: N2 + 3H2 ==> 2NH3 7.9 moles N2 x2 moles NH3/1 mole N2 = 15.8 moles NH3 formed (assuming H2 isn'tlimiting).Corrected for 2 significant figures, answer would be 16moles
Description : If there are 3 moles of hydrogen 6 moles of oxygen and 9 moles of helium in a 10 L vessel at 27 and degC the total pressure of the gas mixture will be?
Last Answer : What is the answer ?
Description : How many moles of neon gas (Ne) are present in 1.2 multiplied by 10 to the twenty-third power molecules of neon?
Last Answer : The number of moles is 0,2.
Description : How many moles of argon (Ar) are present in 5.6 liters of argon gas a STP?
Last Answer : The number of argon moles is 0,25.
Description : What volume would be occupied by 2 moles of propane gas C3H8 at standard conditions?
Last Answer : The volume of propane is 48,93 L.
Description : The individual mass transfer co-efficients (moles/m2s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of ... A) Liquid side (B) Gas side (C) Interfacial (D) Both liquid and gas side
Last Answer : (B) Gas side
Description : The space time is equivalent to the holding time in a steady state mixed reactor for (A) Non-isothermal gas reaction (B) Variable fluid density systems (C) Constant fluid density systems (D) Gas reactions with changing number of moles
Last Answer : (C) Constant fluid density systems
Description : In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants) (A) Addition of inert gas favours the forward reaction, when Δx is positive (B) Pressure has no effect on equilibrium, when Δn = ... any value of Δx (+ ve, - ve) or zero) (D) All 'a', 'b' & 'c'
Last Answer : D) All 'a', 'b' & 'c'
Description : FeO (s) + CO (g) = Fe (s) + CO2 (g), k = 0. 435 at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of FeO at 1173 K? (A) 1.0 (B) 1.3 (C) 2.3 (D) 3.3
Last Answer : Option D
Description : The gas constant of a certain gas is the ratio of: A. Universal gas constant to molar mass B. Universal gas constant to atomic weight C. Universal gas constant to atomic number D. Universal gas constant to number of moles
Last Answer : Universal gas constant to molar mass
Description : In gas-liquid contact operation, the number of ideal stages, N = (xa - xb )/(xb - x *b ). This is true when the stripping factor 'S' is (A) S > 1 (B) S < 1 (C) S = 1 (D) S = ∞
Last Answer : (A) S > 1
Description : The equation, Cp- Cv = R, is true for __________ gas. (A) No (B) Any real (C) Only ideal (D) Both (B) and (C)
Last Answer : (C) Only ideal
Description : Which of the following is true for Virial equation of state? (A) Virial co-efficients are universal constants (B) Virial co-efficients 'B' represents three body interactions (C) Virial co-efficients ... of temperature only (D) For some gases, Virial equations and ideal gas equations are the same
Last Answer : (C) Virial co-efficients are function of temperature only
Description : Which of the following statements is TRUE for an ideal gas, but not for a real gas? A. PV = nRT B. An increase in temperature causes an increase in the kinetic energy of the gas C. The ... same as the volume of the gas as a whole D. No attractive forces exists between the molecule of a gas
Last Answer : PV = nRT