Complete the sentence with the correct phrase: Eating and drinking in the laboratory are Select the correct response.: allowed if approved by the instructor unsafe acts. freely allowed without any prior approval strictly prohibited at all times two of these are correct three of these are correct

Complete the sentence with the correct phrase: Eating and drinking in the laboratory are Select the correct response.: allowed if approved by the instructor unsafe acts. freely allowed without any prior approval strictly prohibited at all times two of these are correct three of these are correct

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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b Chemistry x Co. How to Ca x NNSU Logir x PeriodicTa X M Action Rec x 0 mySigTau x G 4.25 ml to x NBA Final X G scientific c X + ow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [References] Butene, used as the monomer for polybutene, is composed of 85.7% C and 14.3% H by mass. If the density of butene is 2.50 g/L at STP, what is the molecular formula of butene? Submit Answer Try Another Version 2 item attempts remaining ted
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Balavei TyAsoffecochions Cu Br. Cui 63.5/22381I00 -2R.4%mg 23a aBr: 19.9 *2-159.8/223.3xlo0 - 71.6%mg 2 Na OH 40alud Na: 25.0/40x100:57.5% mg 0.16.0/40x160:40% mg Hi1.0/40x100:2.5%. mg 3 NH)S (4:1,0.8=8/68lx(00-11.7%,ng 5:32.1/68.111I00:47.1% ng 4 No Sa 2.2gl4 N:14.0x2-28192.2 X1U : 30.4%i mg v 5:32.1x2=64.2142.2 x1C0 =69.6.1.ag 5K MA O4 58 lul Ki 39,1/158 x100-27.7%, mg Mn:54,9/156x160=34.7%, my 0:16.0x4-64/158160-40.5 hmng 6HCI SGal Hil.0/36.5x(60-2.7% mg C1:35.5/36.5x100=97.3%. my Mg (NO)2 Ma 24.3 /124K100-19.6lo N:14.0x2-24/124x100=22.6%. mg mg
please answer question 4 and 5
tab caps lock You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in the sample containing Fe. Hemoglobin contains 3.83% by mass of a compound called heme (C34H32FeN4O4, MW = 616.49 g/mol). You find that your 11.5 mg blood sample contains 29.7 micrograms of Fe. What is the mass percent of hemoglobin in your protein sample? Tap here or pull up for additional resources Q A NO 2 W S #3 E D GA 4 R % 5 F Question 9 of 17 T 6 G Y & 7 B H 8 N 9 4 +/ V M
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