PV = What is RT Equation ?

PV = What is RT Equation ?
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The equation of the ideal.
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Which of the following represents the Virial equation of state? (A) T = [RT/(V- b)] - [a/√T. V(V + b)] (B) PV/RT = 1 + (B/V) + (C/V2) + …… (C) n1u2 + μ2μ1 = 0 (D) None of these

Description : Which of the following represents the Virial equation of state? (A) T = [RT/(V- b)] - [a/√T. V(V + b)] (B) PV/RT = 1 + (B/V) + (C/V2) + …… (C) n1u2 + μ2μ1 = 0 (D) None of these

Last Answer : (B) PV/RT = 1 + (B/V) + (C/V2) + ……

What mass of nitrogen is contained in a10 ft3 vessel at a pressure of 840atm and 820°R? Make a computation by using ideal gas equation.  a. 194lb  b. 214lb  c. 394 lb  d. 413lb formula: m=pV /RT

Description : What mass of nitrogen is contained in a10 ft3 vessel at a pressure of 840atm and 820°R? Make a computation by using ideal gas equation.  a. 194lb  b. 214lb  c. 394 lb  d. 413lb formula: m=pV /RT

Last Answer : 394 lb

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

Description : 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

Last Answer : Gas constant

he gas law (PV = RT) is true for an __________ change. (A) Isothermal (B) Adiabatic (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : he gas law (PV = RT) is true for an __________ change. (A) Isothermal (B) Adiabatic (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

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. z = P / Pc  B. z = pV/ RT  C. z = T /Tc  D. z = RT / pV Hint: for an real gases the compressibility factor, x, is an dimensionless constant given by pV=zRT. Therefore z = pV / RT

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

If air is at pressure, p, of 3200 lbf/ft2 , and at a temperature, T, of 800 ˚R, what is the specific volume, v? (R=5303 ft-lbf/lbm-˚R, and air can be modeled as an ideal gas.)  A.9.8 ft^3/lbm  B.11.2 ft^3/lbm  C.13.33 ft^3/lbm  D.14.2 ft^3/lbm Formula: pv = RT v = RT / p

Description : If air is at pressure, p, of 3200 lbf/ft2 , and at a temperature, T, of 800 ˚R, what is the specific volume, v? (R=5303 ft-lbf/lbm-˚R, and air can be modeled as an ideal gas.)  A.9.8 ft^3/lbm  B.11.2 ft^3/lbm  C.13.33 ft^3/lbm  D.14.2 ft^3/lbm Formula: pv = RT v = RT / p

Last Answer : 13.33 ft^3/lbm

The ideal gas equation is A. PV = constant B. PT = constant C. V⁄T D. PV = nRT

Description : The ideal gas equation is A. PV = constant B. PT = constant C. V⁄T D. PV = nRT

Last Answer : PV = nRT

The characteristic equation of gases pv = mRT holds good for (a) mono atomic gases (b) diatomic gases (c)real gases (d) ideal gases

Description : The characteristic equation of gases pv = mRT holds good for (a) mono atomic gases (b) diatomic gases (c)real gases (d) ideal gases

Last Answer : Ans: c

Pick out the correct equation relating 'F' and 'A'. (A) F = A + PV (B) F = E + A (C) F = A - TS

Description : Pick out the correct equation relating 'F' and 'A'. (A) F = A + PV (B) F = E + A (C) F = A - TS

Last Answer : (A) F = A + PV

The equation, PV = nRT, is best obeyed by gases at (A) Low pressure & high temperature (B) High pressure & low temperature (C) Low pressure & low temperature (D) None of these

Description : The equation, PV = nRT, is best obeyed by gases at (A) Low pressure & high temperature (B) High pressure & low temperature (C) Low pressure & low temperature (D) None of these

Last Answer : (A) Low pressure & high temperature

Which of the following is Virial equation of state? (A) (p + a/V2)(V - b) = nRT (B) PV = nRT (C) PV = A + B/V + C/V2 + D/V3 + ... (D) None of these

Description : Which of the following is Virial equation of state? (A) (p + a/V2)(V - b) = nRT (B) PV = nRT (C) PV = A + B/V + C/V2 + D/V3 + ... (D) None of these

Last Answer : (C) PV = A + B/V + C/V2 + D/V3 + ...

Which of the following is the Ideal gas law (equation)?  A. V/T = K  B. V= k*(1/P)  C. P1/T1 = P2/T2  D. PV = nRT

Description : Which of the following is the Ideal gas law (equation)?  A. V/T = K  B. V= k*(1/P)  C. P1/T1 = P2/T2  D. PV = nRT

Last Answer : PV = nRT

General gas equation is  (a) PV=nRT  (b) PV=mRT  (d) PV = C  (c) PV=KiRT  (e) Cp-Cv = Wj

Description : General gas equation is  (a) PV=nRT  (b) PV=mRT  (d) PV = C  (c) PV=KiRT  (e) Cp-Cv = Wj

Last Answer : Answer : b

What is the name given to the equation PV=nRT? w) law of partial pressure x) ideal gas equation y) quadratic equation z) Raoult's equation

Description : What is the name given to the equation PV=nRT? w) law of partial pressure x) ideal gas equation y) quadratic equation z) Raoult's equation

Last Answer : ANSWER: X -- IDEAL GAS EQUATION

According to Arrhenius equation of temperature dependency of rate constant for an elementary reaction (A) k ∝ √T (B) k ∝ e -E/RT (C) k ∝ T e -E/RT (D) None of these

Description : According to Arrhenius equation of temperature dependency of rate constant for an elementary reaction (A) k ∝ √T (B) k ∝ e -E/RT (C) k ∝ T e -E/RT (D) None of these

Last Answer : (B) k ∝ e -E/RT

The value of Steric factor 'P' in the equation k = PZe E/RT usually ranges from (A) 1.0 to 10 -8 (B) 1.1 to 10 2 (C) 0.1 to 0.9 (D) None of these

Description : The value of Steric factor 'P' in the equation k = PZe E/RT usually ranges from (A) 1.0 to 10 -8 (B) 1.1 to 10 2 (C) 0.1 to 0.9 (D) None of these

Last Answer : (A) 1.0 to 10 -8

Pick out the Clausius-Clapeyron equation from the following: (A) dP/dT = ∆H/T∆V (B) ln P = - (∆H/RT) + constant (C) ∆F = ∆H + T [∂(∆F)/∂T]P (D) None of these

Description : Pick out the Clausius-Clapeyron equation from the following: (A) dP/dT = ∆H/T∆V (B) ln P = - (∆H/RT) + constant (C) ∆F = ∆H + T [∂(∆F)/∂T]P (D) None of these

Last Answer : B) ln P = - (∆H/RT) + constant

The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x1. x2, where A is a constant. The corresponding equation for ln y1, where y1is the activity co-efficient of component 1, is (A) A . x22 (B) Ax1 (C) Ax2 (D) Ax12

Description : The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x1. x2, where A is a constant. The corresponding equation for ln y1, where y1is the activity co-efficient of component 1, is (A) A . x22 (B) Ax1 (C) Ax2 (D) Ax12

Last Answer : (A) A . x22

Internal energy of a gas obeying Van-Der-Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its (A) Pressure & temperature (B) Pressure & specific volume (C) Temperature & specific volume (D) Temperature only

Description : Internal energy of a gas obeying Van-Der-Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its (A) Pressure & temperature (B) Pressure & specific volume (C) Temperature & specific volume (D) Temperature only

Last Answer : (A) Pressure & temperature

What is the equation for the work done by a constant temperature system?  A. W = mRTln(V2-V1)  B. W = mR( T2-T1 ) ln( V2/V1)  C. W = mRTln (V2/V1)  D. W = RT ln (V2/V1) Formula : W=∫ pdV lim1,2 ∫ = mRT / V

Description : What is the equation for the work done by a constant temperature system?  A. W = mRTln(V2-V1)  B. W = mR( T2-T1 ) ln( V2/V1)  C. W = mRTln (V2/V1)  D. W = RT ln (V2/V1) Formula : W=∫ pdV lim1,2 ∫ = mRT / V

Last Answer : W = mRTln (V2/V1)

WXYZ is a square of side length 30. V is a point on XY and P is a point inside the square with PV perpendicular to XY. PW = PZ = PV – 5. Find PV. -Maths 9th

Description : WXYZ is a square of side length 30. V is a point on XY and P is a point inside the square with PV perpendicular to XY. PW = PZ = PV – 5. Find PV. -Maths 9th

Last Answer : answer:

Chemistry formula PV = nRT, here , what is the meaning of R ?

Description : Chemistry formula PV = nRT, here , what is the meaning of R ?

Last Answer : Here R is the molar gas constant. The value of R is L-atm unit 0.0621 L atm mol-¹K- . The dimension of R = work / (mole × K) Thus , the amount of work or energy obtained from the standard gas per mole for 1 K temperature increase is equal to R. This is the physical significance of R.

Assertion :- Absolute value of enthalpy can not be determined. Reason :- Enthalpy is defined as H = E + PV, and value of internal energy can not be de

Description : Assertion :- Absolute value of enthalpy can not be determined. Reason :- Enthalpy is defined as H = E + PV, and value of internal energy can not be de

Last Answer : Assertion :- Absolute value of enthalpy can not be determined. Reason :- Enthalpy is defined as H = ... . D. If both Assertion & Reason are false.

if pressure P is inversely proportional to volume (V) at constant temperature, then PV is constant (True/False)

Description : if pressure P is inversely proportional to volume (V) at constant temperature, then PV is constant (True/False)

Last Answer : if pressure P is inversely proportional to volume (V) at constant temperature, then PV is constant (True/False)

What does the medical term PV mean?

Description : What does the medical term PV mean?

Last Answer : Polycynthemia vera, overproduction of red blood cells

What is the pressure of 4 moles of helium in a 50 L tank at 308 K Use PV = nRT.?

Description : What is the pressure of 4 moles of helium in a 50 L tank at 308 K Use PV = nRT.?

Last Answer : 2.02 atm (apex)

Who among the following Indian Prime Ministers could not vote for himself during the 'Vote of Confidence' that he was seeking from the Lok Sabha? (1) VP Singh (2) PV Narasimha Rao (3) Chandra Sekhar (4) Manmohan Singh

Description : Who among the following Indian Prime Ministers could not vote for himself during the 'Vote of Confidence' that he was seeking from the Lok Sabha? (1) VP Singh (2) PV Narasimha Rao (3) Chandra Sekhar (4) Manmohan Singh

Last Answer : (4) Manmohan Singh

At 17˚ C, the noise voltage generated by 5kΩ resistor, operating over a bandwidth of 20KHz is A. 1.3 nV B. 1.3 µV C. 1.3 pV D. 1.3 mV

Description : At 17˚ C, the noise voltage generated by 5kΩ resistor, operating over a bandwidth of 20KHz is A. 1.3 nV B. 1.3 µV C. 1.3 pV D. 1.3 mV

Last Answer : B. 1.3 µV

Define voltage controlled bus(generator bus/PV bus).

Description : Define voltage controlled bus(generator bus/PV bus).

Last Answer : A bus is called voltage controlled bus if the magnitude of voltage |V| and real power (P) are specified for it. In a voltage controlled bus, the magnitude of the voltage is not allowed to change. Voltage controlled bus is also called as Generator bus and PV bus.

Net Present Value of a machine is A. PV of cash inflows less cost of investment B. PV of cash inflows ÷ cost of investment C. PV of net profit after tax less cost of investment D.PV of cash inflows less average cost of investment

Description : Net Present Value of a machine is  A. PV of cash inflows less cost of investment  B. PV of cash inflows ÷ cost of investment  C. PV of net profit after tax less cost of investment  D.PV of cash inflows less average cost of investment

Last Answer : A. PV of cash inflows less cost of investment

A project with total budget cost of 30 crores is scheduled to be completed in 80 weeks. A periodic review was carried out at end of 60 weeks and results are as given: Budgeted cost of work performed (EV) = 17 crores Actual Cost of work performed (AC = 19 crores Budgeted cost of work scheduled (PV) = 21 croresWhat is the cost performance index? A.0.895 B.0.81 C.0.90 D.1.12

Description :  A project with total budget cost of 30 crores is scheduled to be completed in 80 weeks. A periodic review was carried out at end of 60 weeks and results are as given:  Budgeted cost of work performed (EV) = 17 ... crores What is the cost performance index?  A.0.895  B.0.81  C.0.90  D.1.12

Last Answer : A.0.895

Which of the following represents the estimated value of the work actually accomplished? A. Earned value (EV) B. Planned value (PV) C. Actual cost (AC D. Cost variance (CV)

Description : Which of the following represents the estimated value of the work actually  accomplished?  A. Earned value (EV)  B. Planned value (PV)  C. Actual cost (AC  D. Cost variance (CV)

Last Answer : A. Earned value (EV)

Role of motive in an offence the case of prosecution becomes more easier to connect accused to the alleged incident. a) PV Narayana Vs. State of Andra Pradesh b) Jai Shankar Prasar V. State of Bhihar c) Afzauddin Ansary V. State of West Bengal d) None of these

Description : Role of motive in an offence the case of prosecution becomes more easier to  connect accused to the alleged incident. a) PV Narayana Vs. State of Andra Pradesh b) Jai Shankar Prasar V. State of Bhihar c) Afzauddin Ansary V. State of West Bengal d) None of these

Last Answer : a) PV Narayana Vs. State of Andra Pradesh

Which of the following statements is incorrect regarding a normal project? A. If the NPV of a project is greater than 0, then its PI will exceed 1. B. If the IRR of a project is 8%, its NPV, using a discount rate, k, greater than 8%, will be less than 0.C. If the PI of a project equals 0, then the project's initial cash outflow equals the PV of its cash flows. D. If the IRR of a project is greater than the discount rate, k, then its PI will be greater than 1.

Description : Which of the following statements is incorrect regarding a normal project? A. If the NPV of a project is greater than 0, then its PI will exceed 1. B. If the IRR of a project is 8%, its NPV, using ... the IRR of a project is greater than the discount rate, k, then its PI will be greater than 1.

Last Answer : D. If the IRR of a project is greater than the discount rate, k, then its PI will be greater than 1.

A perfect gas (A) Does not satisfy PV = nRT (B) Is incompressible and has zero viscosity (C) Has constant specific heat (D) Can’t develop shear stresses

Description : A perfect gas (A) Does not satisfy PV = nRT (B) Is incompressible and has zero viscosity (C) Has constant specific heat (D) Can’t develop shear stresses

Last Answer : (C) Has constant specific heat

An isentropic process is the one, in which (A) pv = constant (B) pv r= constant (C) pv r = constant, and process is reversible (D) None of these

Description : An isentropic process is the one, in which (A) pv = constant (B) pv r= constant (C) pv r = constant, and process is reversible (D) None of these

Last Answer : (C) pv r = constant, and process is reversible

Which of the following is not correct for a reversible adiabatic process? (A) TV γ-1 = constant (B) p 1-γ .T Y = constant (C) PV γ = constant (D) None of these

Description : Which of the following is not correct for a reversible adiabatic process? (A) TV γ-1 = constant (B) p 1-γ .T Y = constant (C) PV γ = constant (D) None of these

Last Answer : (D) None of these

Enthalpy 'H' is defined as (A) H = E - PV (B) H = F - TS (C) H - E = PV (D) None of these

Description : Enthalpy 'H' is defined as (A) H = E - PV (B) H = F - TS (C) H - E = PV (D) None of these

Last Answer : (C) H - E = PV

In polytropic process (PV n = constant), if n = 1; it means a/an __________ process. (A) Adiabatic (B) Reversible (C) Isothermal (D) None of these

Description : In polytropic process (PV n = constant), if n = 1; it means a/an __________ process. (A) Adiabatic (B) Reversible (C) Isothermal (D) None of these

Last Answer : (C) Isothermal

Charles' law for gases states that (A) V/T = Constant (B) V ∝ 1/T (C) V ∝ 1/P (D) PV/T = Constant

Description : Charles' law for gases states that (A) V/T = Constant (B) V ∝ 1/T (C) V ∝ 1/P (D) PV/T = Constant

Last Answer : (A) V/T = Constant

Compressibility factor of a gas is (A) Not a function of its pressure (B) Not a function of its nature (C) Not a function of its temperature (D) Unity, if it follows PV = nRT

Description : Compressibility factor of a gas is (A) Not a function of its pressure (B) Not a function of its nature (C) Not a function of its temperature (D) Unity, if it follows PV = nRT

Last Answer : (A) Not a function of its pressure

Assuming compression is according to the Law PV = C, Calculate the initial volume of the gas at a pressure of 2 bars w/c will occupy a volume of 6m³ when it is compressed to a pressure of 42 Bars.  a) 130m³  b) 136m³  c) 120m³  d) 126m³ Formula: P1V1/T1 =P2V2/T2

Description : Assuming compression is according to the Law PV = C, Calculate the initial volume of the gas at a pressure of 2 bars w/c will occupy a volume of 6m³ when it is compressed to a pressure of 42 Bars.  a) 130m³  b) 136m³  c) 120m³  d) 126m³ Formula: P1V1/T1 =P2V2/T2

Last Answer : 126m³

Find ∫ for steam at 100 psia and 600°F.If h = 1329.6 and v = 6.216  a. 1214 Btu / lb  b. 1234 Btu /lb  c. 1342 Btu / lb  d. 1324 Btu /lb formula: ∫ = h– pv/ J

Description : Find ∫ for steam at 100 psia and 600°F.If h = 1329.6 and v = 6.216  a. 1214 Btu / lb  b. 1234 Btu /lb  c. 1342 Btu / lb  d. 1324 Btu /lb formula: ∫ = h– pv/ J

Last Answer : 1214Btu / lb

The flow energy of 5 ft3 of a fluid passing a boundary to a system is 80,000 ft-lb. Determine the pressure at this point.  a. 222 psi  b. 333 psi  c. 444 psi  d. 111 psi formula: Ef= pV

Description : The flow energy of 5 ft3 of a fluid passing a boundary to a system is 80,000 ft-lb. Determine the pressure at this point.  a. 222 psi  b. 333 psi  c. 444 psi  d. 111 psi formula: Ef= pV

Last Answer : 111 psi

3.0 lbm of air are contained at 25 psia and 100 ˚F. Given that Rair = 53.35 ft-lbf/lbm- ˚F, what is the volume of the container?  A.10.7 ft^3  B.14.7 ft^3  C.15 ft^3  D.24.9 ft^3 Formula: use the ideal gas law pV = mRT T = (100 +460) ˚R V = mRT/p

Description : 3.0 lbm of air are contained at 25 psia and 100 ˚F. Given that Rair = 53.35 ft-lbf/lbm- ˚F, what is the volume of the container?  A.10.7 ft^3  B.14.7 ft^3  C.15 ft^3  D.24.9 ft^3 Formula: use the ideal gas law pV = mRT T = (100 +460) ˚R V = mRT/p

Last Answer : 24.9 ft^3

Steam at 1000 lbf/ft^2 pressure and 300˚R has specific volume of 6.5 ft^3/lbm and a specific enthalpy of 9800 lbf-ft/lbm. Find the internal energy per pound mass of steam.  A.2500 lbf-ft/lbm  B.3300 lbf-ft/lbm  C.5400 lbf-ft/lbm  D.6900 lbf-ft/lbm Formula: h= u+ pV u= h– pV

Description : Steam at 1000 lbf/ft^2 pressure and 300˚R has specific volume of 6.5 ft^3/lbm and a specific enthalpy of 9800 lbf-ft/lbm. Find the internal energy per pound mass of steam.  A.2500 lbf-ft/lbm  B.3300 lbf-ft/lbm  C.5400 lbf-ft/lbm  D.6900 lbf-ft/lbm Formula: h= u+ pV u= h– pV

Last Answer : 3300 lbf-ft/lbm

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 total volume of molecules on a gas is nearly the same as the volume of the gas as a whole  D. No attractive forces exists between the molecule of a gas

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

Which of the following processes are thermodynamically reversible  (a) throttling  (b) free expansion  (c) constant volume and constant pressure  (d) hyperbolic and pV = C  (e) isothermal and adiabatic.

Description : Which of the following processes are thermodynamically reversible  (a) throttling  (b) free expansion  (c) constant volume and constant pressure  (d) hyperbolic and pV = C  (e) isothermal and adiabatic.

Last Answer : Answer : e

If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant  (a) volume  (b) pressure  (c) temperature  (d) enthalpy  (e) entropy

Description : If value of n is infinitely large in a polytropic process pV” = C, then the process is known as constant  (a) volume  (b) pressure  (c) temperature  (d) enthalpy  (e) entropy

Last Answer : Answer : a

Boyle’s law i.e. pV = constant is applicable to gases under  (a) all ranges of pressures  (b) only small range of pressures  (c) high range of pressures  (d) steady change of pressures  (e) atmospheric conditions.

Description : Boyle’s law i.e. pV = constant is applicable to gases under  (a) all ranges of pressures  (b) only small range of pressures  (c) high range of pressures  (d) steady change of pressures  (e) atmospheric conditions.

Last Answer : Answer : b