In the equation Pv = RT, the constant of proportionality R is known as ______.  A. Universal gas constant  B. Gas constant  C. Ideal gas factor  D. Gas index

In the equation Pv = RT, the constant of proportionality R is known as ______.
 A. Universal gas constant
 B. Gas constant
 C. Ideal gas factor
 D. Gas index
by

1 Answer

Answer :

Gas constant
by

Related questions

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Description : The compressibility factor, x, is used for predicting the behavior of nonideal gases. How is the compressibility ty factor defined relative to an ideal gas? (subscript c refers to critical value)  A. ... compressibility factor, x, is an dimensionless constant given by pV=zRT. Therefore z = pV / RT

Last Answer : z = pV/ RT

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Last Answer : 394 lb

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Last Answer : PV = nRT

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Last Answer : Answer : d

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Description : According to Avogadro's law  A. the product of the gas constant and the molecular mass of an ideal gas is constant  B. the sum of partial pressure of the mixture of two gases is sum of the ... all gases, at the same temperature and pressure, contain equal number of molecules  D. all of the above

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Last Answer : Answer : a

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Last Answer : it increases by a factor of square root of 2

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Last Answer : 1214Btu / lb

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Last Answer : 111 psi

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Last Answer : Molar mass

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Last Answer : 339.4 K

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Last Answer : T2=1.620ºR, ∫H = 122.83 Btu

A certain gas, with cp = 0.529Btu/lb.°R and R = 96.2 ft.lb/lb.°R, expands from 5 cu ft and 80°F to 15 cu ft while the pressure remains constant at 15.5 psia. Compute for T2. (Formula: T2= T1V2/V1)  a. 460°R  b. 270°R  c. 1620 °R  d. None of the above

Description : A certain gas, with cp = 0.529Btu/lb.°R and R = 96.2 ft.lb/lb.°R, expands from 5 cu ft and 80°F to 15 cu ft while the pressure remains constant at 15.5 psia. Compute for T2. (Formula: T2= T1V2/V1)  a. 460°R  b. 270°R  c. 1620 °R  d. None of the above

Last Answer : 1620 °R

There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant volume process from p1 = 551.6 kPa and t1 = 60°C to p2 = 1655 kPa. During the process the gas is internally stirred and there are also added 105.5 kJ of heat. Determine t2. (Formula: T2= T1p2/ p1)  a. 999 K  b. 888 K  c. 456 K  d. One of the above

Description : There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant volume process from p1 = 551.6 kPa and t1 = 60°C to p2 = 1655 kPa. During the process the gas is internally stirred and ... (Formula: T2= T1p2/ p1)  a. 999 K  b. 888 K  c. 456 K  d. One of the above

Last Answer : 999 K

Twenty grams of oxygen gas are compressed at a constant temperature of 30 ˚C to 5%of their original volume. What work is done on the system.  A.824 cal  B.924 cal  C.944 cal  D.1124 cal Formula: W = -mRTln (V2/V1) Where R = (1.98 cal/gmole·K) (32 g/gmole)

Description : Twenty grams of oxygen gas are compressed at a constant temperature of 30 ˚C to 5%of their original volume. What work is done on the system.  A.824 cal  B.924 cal  C.944 cal  D.1124 cal Formula: W = -mRTln (V2/V1) Where R = (1.98 cal/gmole·K) (32 g/gmole)

Last Answer : 1124 cal

The gas constant (R) is equal to the __________ of two specific heats.  A. sum  B. difference  C. product  D. ratio

Description : The gas constant (R) is equal to the __________ of two specific heats.  A. sum  B. difference  C. product  D. ratio

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The heat supplied to the gaS at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 – T1 = Rise in temperature, and R = Gas constant)  A. mR(T2 – T1)  B. mcv(T2 – T1)  C. mcp(T2 – T1)  D. mcp(T2 + T1)

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Last Answer : Answer: B

The value of gas constant (R) in S. I. units is  A. 0.287 J/kgK  B. 2.87 J/kgK  C. 28.7 J/kgK  D. 287 J/kgK

Description : The value of gas constant (R) in S. I. units is  A. 0.287 J/kgK  B. 2.87 J/kgK  C. 28.7 J/kgK  D. 287 J/kgK

Last Answer : Answer: D

The “equation of state” refers to any equation that relates the ______ of the substance.  A. Pressure and temperature  B. Pressure, temperature and specific weight  C. Temperature and specific weight  D. Pressure, temperature and specific volume

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Last Answer : Pressure, temperature and specific volume

What is used for predicting the behavior of non-ideal gases?  a. Compressibility factor  b. Expansivity factor  c. Emissivity factor  d. Van-d-whal’s factor

Description : What is used for predicting the behavior of non-ideal gases?  a. Compressibility factor  b. Expansivity factor  c. Emissivity factor  d. Van-d-whal’s factor

Last Answer : Compressibility factor

A device that violates either the first law of thermodynamics or the second law of thermodynamics is known as _____.  A. Ambiguous machine  B. Universal machine  C. Perpetual-motion machine  D. Unique machine

Description : A device that violates either the first law of thermodynamics or the second law of thermodynamics is known as _____.  A. Ambiguous machine  B. Universal machine  C. Perpetual-motion machine  D. Unique machine

Last Answer : Perpetual-motion machine

A process during which entropy remains constant is called ______ process  A. Isometric  B. Isochoric  C. Isobaric  D. Isentropic

Description : A process during which entropy remains constant is called ______ process  A. Isometric  B. Isochoric  C. Isobaric  D. Isentropic

Last Answer : Isentropic