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THERMODYNAMICS: ENG APPROACH LOOSELEAF
- A chamber is divided equally into two parts by a membrane. One side contains Hydrogen, H2, at a pressure of 200 kPa and temperature of 300 K, and the other side is evacuated (a perfect vacuum). The total chamber volume is 0.005 m3. At time t = 0, the membrane ruptures and the hydrogen expands freely into the evacuated side. The chamber can be considered adiabatic (i.e. perfectly insulated). Find the final values of the temperature and pressure.arrow_forwardA mass of 15 kg of Oxygen occupying 3 m³ is heated from 25°C at a constant volume. Take gas constant is 297 J/kgK, then its initial pressure would be approximately 1.33 bar. Select one: O True O Falsearrow_forwardFind the reaction at C so that the reactions at A and B are equal. Also, Find X and find the reaction at B. 120 N 600 N 30 N/m В 10 m 1m 2 m 12 m O 200 N, 400N, 2.33m 132.32N, 221.19N, 5m 106.67N, 40N, 5.35m O 220.69N,122.61N, 9.54marrow_forward
- 3.1 If y = and w is increasing by 2%, s is decreasing by 3% and d is increasing by 1%. calculate the maximum percentage eror in y. %3D 3.2 The volume of a certain figure is given by V = In(x sin z + y z). Evaluate the change in V at (x;y;z) = 10;5; given that x and z decrease by 0,03cm and 0,1 rads, respectively, and y increases by 0,01cm.arrow_forwardThe equation dU = T dS – P dV is applicable to infinitesimal changes occurring in A.A closed system with changes in composition B.An open system with changes in composition C.An open system of constant composition D.A closed system of constant composition E.None of thesearrow_forwardQ4 Show that for a gas obeying van der Walls equation of state, 2a Cp – Cy = R + vTarrow_forward
- The figure shows a pV diagram for 1.8 g of helium gas (He) that undergoes the process from the state 1 to the state 2 to the state 3. Find the value of V3. P2 2.0 atm 0 17 L 69 L 34 L 8.6 L 657°C- 37°C 1 Isothermal 3 V(L)arrow_forward= B- Find an expression for Cp - Cv if the equation of state is p for an ideal gas. RT v-b and Show that CP - Cv=Rarrow_forwardA PV diagram below, Figure 1, shows two possible states of a system containing three moles of a monatomic ideal gas. (P,= P2 = 450 Pa, V, = 2m', V,= 8m²) c. Draw the process which depicts an isothermal expansion from state 1 to the volume V, followed by an isochoric increase in temperature to state 2 and label this process (B). d. Find the change in internal energy of the gas for the two-step process (B) Figure 1 (N/m²) 500 ! 400+ 300+ 200+ 100 - + + + + 4 6. 8 10 V (m³) 2 Copyright © 2005 Pearson Prentice Hall, Inc.arrow_forward
- Reinneil Law-ay Active Now 5. The temperature of 3.00 kg of N2 gas is raised from 10*C to 110 *C. If this is done at constant pressure, find the increase in internal energy U and external work done W by the gas. For N2 gas, Cv = 0.177 cal/g*C and Cp = 0.248 cal / g*C %3D •.. More Edit IIarrow_forwardProblem 1. Each of two vessels of equal volume initially contain 1 g of ideal gas each. One vessel is kept at temperature T1 300 K, the other at T2 400 K. The vessels are then connected by a thin tube. Find the mass of gas in each vessel when the system reaches the state of mechanical equilibrium. (Assume that once any amount of gas moves from one vessel to the other vessel, the moved gas quickly reaches the temperature of the destination vessel.)arrow_forwardFrom the figure assume that concentrations C1 and C2 are 2.65 and 0.75 kg of carbon per cubic meter C2 -8 Take D is 1.2 x 10 m /s at 600°C and X, is 4.6 mm away from X : Find the mass of carbon in kg / hour through the metal if the area of 0.18 m. US X x² A4 B 三 =arrow_forward
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