4.0 g of oxygen gas, starting at 18 °C, follow the process 12 shown in the figure(Figure 1). gure 1 of 1 Part A What is temperature T₂ (in °C)? Express your answer with the appropriate units. T₂ = Submit μA Value Request Answer Units ?
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- One process for decaffeinating coffee uses carbon dioxide ( M=44.0 g/mol) at a molar density of about 14,0 mol/m3 and a temperature of about 60 . (a) Is CO2 a solid, liquid, gas, or supercritical fluid under those conditions? (b) The van der Waals constants for carbon dioxide are a=0.3658 Pa m6/mol2 and b=4.286105 m3/mol. Using the van der Waals equation, estimate pressure of CO2 at that temperature and density. `Can carbon dioxide be liquefied at room temperature ( 20ºC )? If so, how? If not, why not? (See Figure.) Figure: The phase diagram for carbon dioxide. The axes are nonlinear, and the graph is not to scale. Dry ice is solid carbon dioxide and has a sublimation temperature of – 78.5ºC .The porous catalyst pellet shown in Figure 1 has an overall radius R and a thermal conductivity k (which may be assumed constant). Because of the chemical reaction occurring within the porous pellet, heat is generated at a constant rate of Se cal/em s. Heat is lost at the outer surface of the pellet to a gas stream at a constant temperature T, by convective heat transfer coefficient h. Gas bemperature T, Figure I. Sphere with internal heat generation Answer the following questions (a) Make a list of assumptions that apply to the above situation. (b) Set up the differential equation by making a shell energy balance. Show the units for all variables that are used. (c) Specify the proper boundary conditions. (d) Integrate the differential equation with the above boundary conditions to obtain an expression for the temperature profile, and make a sketch of the function profile T(r) (e) What is the limiting form of T(r) when h co? (f) What is the maximum temperature in the system? (g)…
- Some N2 has is mixed with some O2 has and the sketch below shows a representative sample of the mixture. The total pressure of the mixture is measured and found to be 3.00 atm. Calculate the mole fraction and partial pressure of each gas in this mixture. Round your answer to 3 significant digits. You may assume each behave as an ideal gasA mass of steam at 120°C is added to 2kg of ice at 0°C to yield water at 20°C. What is the total amount of energy in Joules is lost by the steam? ROUND OFF YOUR ANSWER IN WHOLE NUMBER. DO NOT WRITE THE UNIT IN YOUR FINAL ANSWER. L = 3.34x10²; Lv 2.26x106 Cwater = : 4186 kg.C; Csteam = 2010- kg.C =Figure I shows the P-V graph for a sample of a gas at 298 K. If this sample were heated to 312 K, this would be represented by a point 25. atm Figure 1 100 V/e 50 A At the top, left end of the line Off the line, above and to the right of it. B At the lower, right end of the line D Off the line, below and to the right of it.
- If the osmotic pressure of the blood is within (100 psi) at a temperature of (37°C). How much glucose must be used per (L1) for intravenous purposes so that its osmotic pressure equals the osmotic pressure of the blood. Note that,R = 0.0821 L. atm. K-1. mol and the molecular weight of glucose g/mole 180A container holds 102.9 liters of Oxygen at 268.4K and a pressure of 1.95 atmospheres. How much heat is required to raise the temperature of this gas to 314.1K, holding the volume constant? Give your answer in kJ. Treat the gas as an ideal gas. Note: It is understood that your answer is in units of kilo-Joules, however do not explicitly include units in your answer. Enter only a number. If you do enter a unit ("kJ" in this case), you answer will be counted wrong.Referring to the figure shown, water contained in a piston–cylinder assembly, initially at 100 kPa and 25°C. The water is heated until the final temperature reaches to 320°C. Kinetic and potential energy effects are negligible.Sketch the process on T-v diagram. Determinea. The quality of the mixture when piston hits the stop.b. The final pressure.Hint: Establish the problem in three states; 1: initial, 2: when piston hits the stop, 3: at T3 = 320°C.
- 4 mol of oxygen gas is confined to a 9 L vessel at a pressure of 13 atm. Avogadro's number is 6.02214 x 1023 1/mol. The mass of an O2 molecule is 5.31 x 10-26 kg. Find the average translational kinetic en- ergy of an oxygen molecule under these con- ditions. Answer in units of J. Answer in units of J. Your response... i Previous Responses X #1.1.12e-21 PALETTEThe specific reaction rate constant k is a strong function of temperature according to the following equation: 1 In the equation above, the reaction rate constant k is expressed in R is the universal gas constant 8.314- What is the unit of A? O mol m OK Om O J O mol K J mol 01 S Pa.m ³ m k=Axexp- Pa.m³ constant (1.314 P-²). mol. K E RT and T is the absolute temperature in K. The equation is dimensionally homogenous.Use the ideal gas law, “PV-nRT”, and the universal gas constant R = 0.0821 L*atm to solve the following problems: K*mol If pressure is needed in kPa then convert by multiplying by 101.3kPa / 1atm to get R =8.31 kPa*L / (K*mole). Show your answers legibly, concisely, and completely. Use separate sheet of paper. If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?