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- Q6. (a)The vander waals equation is used to describe the behaviour of real gases but still not so useful in many industrial applications. Explain why?(3) (b)In kinetic molecular theory of gases it is assumed that The molecules of the gases occupy negligible volume as compared to the total volume of the gas' which factor can be actually described by this postulate?(2)dN F(V)dV = N M = 47(- `2 zRT" ,MV². 32v² exp(- 2RT AP(- Where dN, the number of particles having a velocity between v and v+dV, V velocity of molecules, M moleculer mass of gase, T temperature. = [v? fV)dV =?8:53 Question 28 of 40 2 5 8 One of the fastest pitches ever thrown in Major League Baseball was by Aroldis Chapman and had a velocity of 105.1 miles/hour. How many seconds did it take this pitch to travel the 60 feet and 6 inches from the pitcher's mound to home plate? (1 mile = 5280 feet) 1 4 7 +/- Tap here or pull up for additional resources S 3 6 9 O ..lLTE Submit XU x 100
- + |/ 00 %24 D. Two bulbs are connected by a stopcock. The 7.50 L bulb contains nitric oxide (NO) at a pressure of 0.340 bar, and the 2.50 L bulb contains oxygen (O,) at a pressure of 0.510 bar. 02 ON After the stopcock is opened, the gases mix and react to produce nitrogen dioxide (CON) 2 NO(g) + 0,(g) – 2 NO,(g) Considering that the volume remains unchanged during the experiment, how does the total pressure in the bulbs change if the reaction is allowed to go to completion? The total pressure will remain constant. O There is not enough information to determine how the total pressure will change. O The total pressure will decrease. O The total pressure will increase. MacBook Pro ( The %23 %24 7. 4. 5. 3. R %3D K. H. B C. option command MOSISO1.34. A derivative with respect to the same variable can be taken more than once: › a/aF ax ax and is called the second derivative of F. Evaluate the following expressions, assuming the ideal gas law applies. (355) (a) др2 n,T a²p b) (07/09) a²F ax² n,VYou are working in an oil refinery . Where you use hydrocarbon gases like methane ( CH4 ) , ethane ( C2H5 , and propane ( C3Hg ) and prepared a mixture . When measured the pressure at 25 ° C it turns out to be 7.50 am This gas mixture was then also used in a mass spectrophotometer and the following data was obtained Based on this information find the partial pressure of each gas and report respectively as their name .appeared in the question
- At 298K, N2 molecules have a mean speed of 475 m/s. As a consequence, the probability to randomly pick 1 molecule at 475.00 m/s is extremely high. Select one: True FalseChrome File Edit View History Bookmarks People Tab Window Help * 30% (4) Sat 2:00 PM Q O E 0 Chem101 O General Chemistry I (LAB SC) x i app.101edu.co Apps M Gmail O YouTube Maps Translate 3 https://www.carth.. Google Chrome isn't your default browser Set as default Question 7 of 8 Submit Using the equations N2 (g) + O2 (g) → 2 NO (g) AH° = 180.6 kJ/mol N2 (g) + 3 H2 (g) → 2 NH3 (g) AH° = -91.8 kJ/mol 2 H2 (g) + O2 (g) → 2 H2O (g) AH° = -483.7 kJ/mol kJ/mol Determine the enthalpy for the reaction 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g). 1. 3 INFOR 4 6 Coings t C The MC Uhase Stan 8 9 +/- x 100 + 10.062 122 24 tv MacBook Air 888 DII F4 F5 F7 F9 12 %23 24 & * 2 4 6 8 %3D delete Q W E R Y A S D F G H J L return > C VWhich of the following compounds has the shortest Xmax? O II OI ||| CONV III IV
- Thank you5. Gases: You analyze that principal components of a gas inside a valve. Through spectroscopy, you were able to analyze that components of the gas mixture are 02, N2 and H2 respectively. From that you would like to check if you have learned something from GCHEM203A by determining (a) what are the mole fractions of each component in the mixture of 15.08 g of O2, 8.17 g of N2, and 2.64 g of H2? (b) What is the partial pressure in atm of each component of this mixture if it is held in a 15.50-L vessel at 15 °C?2 dN F (V )dV = N M 4 7 (- 2 ART MV 3/2y ? exp( 2 RT where dN, the number of particles having a velocity between v and v+dV, V velocity of molecules, M moleculer mass of gase, T temperature = |V ² † (V )dV =? 2-