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Analyze Example 3.3. Find the entropy change for ideal gas if you can control/measure the pressure...
The Sackur-Tetrode Equation gives the entropy of a sample of n moles of monatomic ideal gas...
The Sackur-Tetrode Equation gives the entropy of a sample of n moles of monatomic ideal gas as a function of its internal energy U and volume V S(U, V) = 5/2 n R + n R In (V/n N_A(4piM U/3nN^2_Ah^2)^3/2) In the equation, R is the gas constant, M is the molar mass, N_4 is Avogadro's number, and h is Plank's constant. The equation can be derived using S = k ln W and directly computing W, the number of...
EXAMPLE 6-11 Applying the Ideal Gas Equation to a Mixture of Gases What is the pressure,...
EXAMPLE 6-11 Applying the Ideal Gas Equation to a Mixture of Gases What is the pressure, in bar, exerted by a mixture of 1.0 g H2 and 5.00 g He when the mixture is confined to a volume of 5.0 L at 20 °C? Analyze For fixed T and V, the total pressure of a mixture of gases is determined by the total number of moles of gas: Ptot = ntotRT/V. Solve ntot = (1.0g Hz x 1 mol Hy)...
Combined Gas Relationship Since the Ideal Gas Law produces a constant (R), it can be used...
Combined Gas Relationship Since the Ideal Gas Law produces a constant (R), it can be used to look at a gas sample in which initial and final conditions have changed. The combined gas relationship is as follows P.V R=P.V2 n, T n2 T2 where P, Vi,and T, and n, are the initial pressure, volume, temperature, and number of moles of gas. The final conditions are represented by P, V2, T2 and n2. If any of the conditions in the initial...
Consider a monoatomic ideal gas undergoing the following cycle: starting point (a), pressure increases at a...
Consider a monoatomic ideal gas undergoing the following cycle: starting point (a), pressure increases at a constant volume reaching point (b), then the gas expands adiabatically until pressure reaches the initial value (point c), and then the gas is compressed at a constant pressure until the volume reaches the initial value back to point (a). The amount of gas is 1 mole. Monoatomic gas means it has only 3 degrees of freedom and the adiabatic constant gamma is 5/3. Sketch...
The state of an ideal gas can be represented by a point on a PV (pressure-volume)...
The state of an ideal gas can be represented by a point on a PV
(pressure-volume) diagram. If you know the quantity of gas, n, a
unique point in pressure (P) and volume (V) can be used to
determine a temperature (T). Each point on a PV diagram also has a
single internal energy (U) assigned to it. If a process starts at a
point and returns to that same point on a PV diagram, it returns to
the same...
The state of an ideal gas can be represented by a point on a PV(pressure-volume)...
The state of an ideal gas can be represented by a point on a PV (pressure-volume) diagram. If you know the quantity of gas, n, a unique point in pressure (P) and volume (V) can be used to determine a temperature (T). Each point on a PV diagram also has a single internal energy (U) assigned to it. If a process starts at a point and returns to that same point on a PV diagram, it returns to the same...
A spray can containing a propellant gas at twice atmospheric pressure (202 kPa) and having a...
A spray can containing a propellant gas at twice atmospheric pressure (202 kPa) and having a volume of 119.00 cm is at 27°C. It is then tossed into an open fire. (Warning: Do not do this experiment; it is very dangerous.) When the temperature of the gas in the can reaches 195°C, what is the pressure inside the can? Assume any change in the volume of the can is negligible. SOLUTION Conceptualize Intuitively, you should expect that the pressure of the gas...
Consider a closed system consisting of one mole of a monoatomic ideal gas X initially at...
Consider a closed system consisting of one mole of a monoatomic ideal gas X initially at 10.0 atm, a temperature of 487.5 K, and a volume of 4.00 L (state A). From state A, the system may expand isothermally and reversibly to state B, where the pressure is 2.50 atm. The system may also expand adiabatically and reversibly to state B, where the pressure is 2.50 atm. The system may also expand adiabatically and reversibly (through an intermediate state D)...
please help! erniperture cr VOILITE Analyze (A) Find the pressure in the tire at -15 C...
please help!
erniperture cr VOILITE Analyze (A) Find the pressure in the tire at -15 C Rewrite the ideal gas equation PV nRT so that the two variables that change are both on the left-hand side: P nR T V Since all the quantities on the right-hand side of the equation remain constant, the initial value of the left-hand side of the equation must equal the final value: P P T T or P P T A tire gauge measures...
9. Pressure at Mt. Everest If we rearrange the ideal gas law to be in terms of density: pR and also consider the affects of the buoyancy force: apE, we can combine these equations to find the atmosph...
9. Pressure at Mt. Everest If we rearrange the ideal gas law to be in terms of density: pR and also consider the affects of the buoyancy force: apE, we can combine these equations to find the atmospheric pressure as a function of height above the ground. Do so to find the air pressure at an elevation of 8838 meters, close to the peak of Mt. Everest. You can assume that g is constant all the way up and so...
The Sackur-Tetrode Equation gives the entropy of a sample of n moles of monatomic ideal gas as a function of its internal energy U and volume V S(U, V) = 5/2 n R + n R In (V/n N_A(4piM U/3nN^2_Ah^2)^3/2) In the equation, R is the gas constant, M is the molar mass, N_4 is Avogadro's number, and h is Plank's constant. The equation can be derived using S = k ln W and directly computing W, the number of...
EXAMPLE 6-11 Applying the Ideal Gas Equation to a Mixture of Gases What is the pressure, in bar, exerted by a mixture of 1.0 g H2 and 5.00 g He when the mixture is confined to a volume of 5.0 L at 20 °C? Analyze For fixed T and V, the total pressure of a mixture of gases is determined by the total number of moles of gas: Ptot = ntotRT/V. Solve ntot = (1.0g Hz x 1 mol Hy)...
Combined Gas Relationship Since the Ideal Gas Law produces a constant (R), it can be used to look at a gas sample in which initial and final conditions have changed. The combined gas relationship is as follows P.V R=P.V2 n, T n2 T2 where P, Vi,and T, and n, are the initial pressure, volume, temperature, and number of moles of gas. The final conditions are represented by P, V2, T2 and n2. If any of the conditions in the initial...
The state of an ideal gas can be represented by a point on a PV
(pressure-volume) diagram. If you know the quantity of gas, n, a
unique point in pressure (P) and volume (V) can be used to
determine a temperature (T). Each point on a PV diagram also has a
single internal energy (U) assigned to it. If a process starts at a
point and returns to that same point on a PV diagram, it returns to
the same...
A spray can containing a propellant gas at twice atmospheric pressure (202 kPa) and having a volume of 119.00 cm is at 27°C. It is then tossed into an open fire. (Warning: Do not do this experiment; it is very dangerous.) When the temperature of the gas in the can reaches 195°C, what is the pressure inside the can? Assume any change in the volume of the can is negligible. SOLUTION Conceptualize Intuitively, you should expect that the pressure of the gas...
please help!
erniperture cr VOILITE Analyze (A) Find the pressure in the tire at -15 C Rewrite the ideal gas equation PV nRT so that the two variables that change are both on the left-hand side: P nR T V Since all the quantities on the right-hand side of the equation remain constant, the initial value of the left-hand side of the equation must equal the final value: P P T T or P P T A tire gauge measures...
9. Pressure at Mt. Everest If we rearrange the ideal gas law to be in terms of density: pR and also consider the affects of the buoyancy force: apE, we can combine these equations to find the atmospheric pressure as a function of height above the ground. Do so to find the air pressure at an elevation of 8838 meters, close to the peak of Mt. Everest. You can assume that g is constant all the way up and so...
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