(a) Arrow story – indicate which bond(s) are broken and/or formed according to each indicated arrow (ex. C-H sigma bond broken). One arrow has the potential to break and form more than one bond, cool right?! Use those notes to help yourself draw the products of those arrows. products: (ii) vibni n e eldT (i) on ob aasal H. (ii) (i) (iii) epsicone vienote (iii)

STARTING AMOUNT esc C X C 2 F2 W # 3 1000 F3 ADD FACTOR x( ) $ 4 1 97.9 FS de in % 5 2 Convert 23.4 kJ to calories 2.34 x 104 t 4184 kcal 6 P 0.001 J 4.184 COMEC DOLL ANSWER & 7 9.79 × 104 cal 00 8 RESET FO 2 23.4 ( 5590 A FIT 120 Jan 21 del +

Ba(NO,l(aq) + K,SOlaq) Baso(s) + 2 KNOlaq) Volume Volume Trial 0.10 M Ba(NO)2 (ml) 0.10 M K,SO, (ml) Mass Baso4 (s) Limiting Reagent 50. 20. 0.46 50. 40. 0.92 3 50. 50. 1.15 4 50. 60. 1.15 50. 80. 1.15 • Question 8 Use the data to identify the limiting reagent for each reaction performed. V Trail 1 a. Neither/Both EV Trial 2 b. Baso4 EV Trial 3 C. KSO4 EV Trial 4 d. Ba(NO3)2 EV Trial 5 e. KNO3 Question Help: Message instructor I Calculator Submit Question • Question 9 Why is the amount of precipitate in the Data Table above the same in Trials 3 through 5? Edit Insert Formats B IVX x' A

Concentration (M) 1 0.8 0.6 0.4 0.2 0 0 1st attempt 10 y = -0.0111x + 1.0362 20 30 Time (minutes) What is the y-intercept of this graph? 40 50 60

4-16. Zinc is an essential micronutrient in pet food, but is toxic if present in excess. Do the Zn concentrations (mg/g) for the five cat foods and two dog foods determined by two methods differ significantly at the 95% confidence level? Cat 1 Cat 2 Cat 3 Cat 4 Cat 5 Dog 1 Dog 2 Old method: bris 8 Я 84.9 73.5 173.0 62.7 154.0 80.1 185.0 New faster method: 86.2 81.8 186.0 73.4 138.0 72.5 203.0 SO Souza, S. S. L. Costa, R. G. O. Araujo, C. A. Cats and

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10 11 12 13 14 15 16 17 18 19 20 Calculate the solubility of BaCro, in water at 25 °C. You'll find K data in the ALEKS Data tab. sp Round your answer to 2 significant digits. Continue MacBook Air

A Aa A Y F 3 States) Text Predictions: On 13 C 14 101 !!! M $ 4 ET 垣~ Paragraph What is the difference between a cylinder and a test tube? B 1.The cylinder is made of glass and the test tube is made of glass. f5 Accessibility: Good to go % 5 3.The cylinder is the same as the test tube, it's just another name for it. V 2.The cylinder contains dimensions to measure volume and the test tube is to observe reactions. f6 4.The test tube comes in a single measure (25 ml) and the test tube can come in different volumes (25- 200 ml for example). 5 A 6 P 17 Normal & 7 18 7 hp No Spacing O 19 Styles 8 Heading 1 f10 f17 .. V F12 5 فکر Ed 82°F Mos

CHM 431A Lab 7- 2021SP Given Data page Time Temperatu (min) C1. Boiling temp of water re (°C) 25.4 Initial temperature of water 32.5 Temperature of boiling water 44.9 3. 56.9 C2. Temperature change (AT) 4. 71.3 Mass of beaker 5. 86.6 100.2 Mass of beaker and water 7. 100.6 C3. Mass of water 8. 100.6 100.6 1. 2) 6.

One of the most important applications of ion exchange is the separation of large molecules from small molecules? 1- true 2- Error