I uploaded the screenshot please check and answer the question. ZoomE Copy of DL rsi progressivism -G XM Everybody Loves to Get a Gift! 1 Xb My Tutoring |bartlebyA Quiz: CHEM3 00 Exam #2+b Irccd.instructure.com/courses/116812/quizzes/924447/takeO DJUSD Qu ick LinksE Graphic showing 3.A HomeO Images O Fnu Zainab - Count.* Jazz Text Set: Resp.O Davis Senior High S.Davis Senior High S.A IM2 Week 1 PracticeG Climate and averag.>>SCCWhich of the following is the correct electron diagram of group 4A element silicon, Si?Note: Only the n = 3 shell orbitals are shown; assume the lower energy shells (n = 1 andn = 2) arecompletely filled.3pA 1 11 13sАВ1 11111 11||CD 1EO DO CO AO BO ESign outINTL O V A 1:35

The electrons are filled in various shells/subshells/orbitals of an atom according to the certain…

Which of the following is the correct electron diagram of group 4A element silicon, Si? Note: Only the n = 3 shell orbitals are shown; assume the lower energy shells (n = 1 and n = 2) are completely filled. 3s 3p 1111 1 11 1 1 A 11 11 11| C D E 1

Which of the following is the correct electron diagram of group 4A element silicon, Si? Note: Only the n = 3 shell orbitals are shown; assume the lower energy shells (n = 1 and n = 2) are completely filled. 3s 3p 1111 1 11 1 1 A 11 11 11| C D E 1

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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3 E D 20 F3 [Review Topics] [References] Use the References to access important values if needed for th a. When 52.70 and 44.375 are divided, the answer should be based on 4 Enter the answer with the correct number of digits. 52.70 44.375= 1.188 An error has been détected in your answer. Check for typos, miscalculations etc. before submitting your answer. C b. When 44.375 is subtracted from 52.70, the answer should be based on 2 decimal place(s). Enter the answer with the correct number of digits. 52.70 44.375= 8.32 Submit Answer $ 4 888 R F Retry Entire Group V % 5 Cengage Learning Cengage Technical Support F5 T G 6 4 more group attempts remaining B MacBook Air F6 Y H & 7 F7 U N * 00 8 J DII FB - M ( 9 K F9 O ) [ V 1 F12 11 21 ? 1
LIMIT TEST (IMPURITIES - BIOLOGICAL) Instructions: Note the color change of each of the samples by writing blue or pink accordingly. Then give inference whether the sample is contaminated or not contaminated upon observation. Answer the highlighted numbers. BLANK (Sterile distilled water) Reference Sugar Solution Sample A Sample B REPLICATE 1 BLUE BLUE PINK PINK REPLICATE 2 BLUE PINK BLUE PINK REPLICATE 3 BLUE PINK PINK PINK INFERENCE NOT CONTAMINATED CONTAMINATED 1 2 1. 2. 3. Which of the two samples is relatively clean of biological impurities? 4. Given the result in limit test as an analyst, what will be the final conclusion to this? Write whether rejected or accepted for each sample. (see attached photo)
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chemistry lab please write the answer in the question paper the one I uploaded it thank you
Why does the test for F- often yield false negatives?
PROCEDURE 1. On a clean, dry, and flat surface, place a parchment paper, or any non-porous flat sheet. 2. Obtain your medicine tablet. Take note of its mass. [Note: Since this is home experiment and that you might not have a weighing scale at home, assume that given mass of the tablet is pure, with any excipient/(s). For example, a 500 mg ascorbic acid will have a mass of 500 mg as indicated.] 3. Pulverize the tablet into fine powder and trransfer it in a clean and dry vessel or bottle. 5. Add the necessary amount of distilled water to make the desired concentration of stock solution assigned to your group. [Note: Assume that the volume of the solute is negligible compared to the volume of the solution.] Concentration of STOCK SOLUTION, M Concentration of DILUTED SOLUTION, M 0.8 M 0.16 M 6. Make sure to place the computations used in the data sheet. PLEASE FILL IN THE MISSING TABLES IN THE DATA SHEET. THANK YOU!
what is the concentration of the unknown sample using serial diluitions: 0.05M 1.7472nm, 0.025M 0.8569nm, 0.0125M 0.4167nm, 0.00625M 0.1958nm the epsilon value is 0.0101 and l is 1 cm