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- 5. If Cv.m (7/2)nR, what is y (where y = CP,m/Cv,m)? = (a) 7/8 (b) 4 (c) 9/7 (d) 7/4(35) W PRINCI X Men's CHEM X 101 Chem1 X C An Exo X C An End X B If 801 A How de X S If reac X -> A app.101edu.co Question 24 of 27 The steam reforming of methane occurs according to the following chemical equation: CH,(g) + 2H,0(g) =CO2(g) + 4H2(g) Use the following equations to solve for the enthalpy change of steam reforming of methane: H2(g) + ½O2(g) → H,0(g) 2H2(g) + C(s) → CH,(g) C(s) + O2(g) → CO-(g) AH° = -242 kJ/mol AH° = -75 kJ/mol AH° = -394 kJ/mol8:53 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
- O MEASUREMENT Interconverting derived Sl units A chemistry grad student measures the performance Z of the new pump in his lab. The result is: Z=10.0 MPa cm³.s Convert Z to J-s¯¹ -1 1 X(b) The random error, r', on the result, R, is given by F = √()*² + ( )² R where v', and v, are the random errors on V', and Vt, respectively (1) Let V=26.00 mL, V = 24.00 mL; v' = ±0.01 (3) mL, vt = ±0.01 (2) mL. What is the percentage random error, r'/R x 100%, on R? (2) What is r'/Rx 100 if the conditions of each titration vary (e.g., different portions of the burette stem are used) so that V₁= 26.00 mL, V₁ = 24.00 mL; v' = ±0.05(2) mL, vt = ±0.04(8) mL?< + ch (100)³ A popular car has an engine that is reported to have a volume of 5840 cm³ the size in cubic inches? ADD FACTOR x( ) 2.54 16.387 Your Aktiv Learning trial expires on 08/29/22 at 07:08 PM O Si 0.01 (1000)³ (2.54)³ cm3 Question 70 of 73 n 356 in3 ANSWER 9.57 x 104 9 (1) ³ 1000 2.30 x 10³ 5840 1 cm RESET 2 What is (0.01)³ 100 (?)
- Microsoft Office Ho... th Moodle Google Drive GitHub- DS303-20 I ing t Microsoft Teams WhatsApp Welcome to ASC! (1) WebMail-SS01 L. Placements, IWT B... + 田の 2/2 128% d. What PFR volume must be added to the first CSTR (part b) to raise the conversion to 80%? e. What conversion can be achieved in a 6 x 104 m³ PFR? 5. The liquid phase reaction, A + B C follows an elementary rate law and is carried out isothermally in a flow system. The concentrations of A and B feed streams are 2 M before mixing. The volumetric flow rate of each stream is 5 dm/min, and the entering temperature is 300 K. The streams are mixed immediately before entering. Two reactors are available. One is a gray, 200 dm' CSTR that can be heated to 77°C or cooled to 0°C, and the other is a white 800 dm PFR operated at 300 K that cannot be heated or cooled but can be painted red or black. Note that k = 0.07 dm/mol.min at 300 K and E= 20 kcal/mol. (4,2) you recommend? Explain the reason for your choice (color, a. Which…Quanktatine Amalyas : Ex: A constant electic cunent depasite 365 mg. 9 Ag in 216 mimutes from an agnesus AgNOs saukion. What is e ammunt "curent (A) msed ? Gien: amount deposiked = 365 mg Co.365) t = 216 minutes (12,960 seconds) Selation:P5.1. Calculate ArxnSoof the reaction: + ½ Ozle) H,Oe) a. at 25 °C b. at 1000 °C Given: 5° /R at 25 °C: H2ie): 15.7041 O2le): 24.6604 H,0R: 22.6984 Cp /R at the temperature range: H2le): 3.4958 - 0.1006 x 103 T/(K) + 2.419 x 107 T²/(K²) Ozleg: 3.0673 + 1.6371 x 103 T/(K) + 5.118 x 107 T/(K?) H,0je: 3.6330 + 1.1950 x 10-3 T/(K) + 1.340 x 10-7 T2/(K2)
- ESF X empt/quiz_start_frame_auto.d21?ou=9739790&isprv=&qi=11007766&cfql=0&dnb=0&fromQB=0&inProgress=1 ystems Question 5 (1 point) Ben starts walking along a path at 3 mi hr¹. Amanda starts jogging along the same path 1 hour later at 5 mi hr. After how much time jogging does Amanda catch up to Ben? 3.5 hr 2.5 hr 2 hr 16Calculation of Molar Mass of Unknown Liquid Using the Density Determined via Dumas Method Weight of flask filled with water (g) 385.76(10) Good Morning Pakistan M Gmail T LI YouTube Maps GTranslate holodeck www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lvdw7xgLCkqMfg8yaFKbD9GafJstkYLIJnusuqH-p1X_sK5Jf4E3cmXkMkyF9tYadmgkkpbMT2ejVO2limOXTcRDH8UEjl_2?10Bw7Q... Initial Knowledge Check mg I Don't Know News Type here to search +33a8d475-a67b-48e1-be0e-1154 x Submit College information A certain drug has a half-life in the body of 1.5 h. Suppose a patient takes one 50.0 mg pill at 7:00PM and another identical pill 90 min later. Calculate the amount of drug left in his body at 9:00PM. Be sure your answer has a unit symbol, if necessary, and round it to 3 significant digits. II x10 ALEKS - Rafia Riaz - Knowledge CX X H Success Confirmation of Question X + Question 20 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use 35°F Cloudy Privacy Center Rafia V Ar Accessibility x Other bookmarks 8:16 PM 1/31/2023