Part F telavancin, C80 H106Cl2N11O27P Express your answer in percent to three significant figures. ΕΞΑΣΦ %0 = 24.6 Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining ? %
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- The molecular weight of 2-propanol ( C3H7OH ), known as rubbing alcohol, is ________ amu (rounded to one decimal place). Group of answer choices 29.0 12.0 34.0 59.1 60.12) As an example of precision and accuracy of data, suppose the % carbon in a single compound has been measured thrce separate times by 2 different students. The theoretical % carbon is 21.34%. Student 1: trial 1:26.11%, trial 2: 26.24% trial 3: 25.92 %, Avg - 26.09 Student 2: trial 1: 20.35%. trial 2: 22.64 % trial 3: 19.79 %. Avg = 20.93 a) Which student had the more precise data and how can you tell? b) Which student had the more accurate data and how can you tell? 3a) Calculate the % error of Student 1 data in problem 2 above. Show all work below. WATCH SIG FIGS2. Quantitative analysis student Analytical analyzed an ore sample for its lead content and obtained a mean of 4.75% Pb for five measurements. If the certified true value is 4.50%, what is the (a) percent error? (b) percent accuracy?
- + 1.03 2. Me₂S od c B A LOHOH OH × OH H₂SO4 H₂O HCI Et₂0 HCI Et₂O H₂SO4 H₂OY Y Number of moles (n) of NH4Cl in 96.6 g of this substance. Express the amount In moles to three significant digits. IVE ΑΣΦ n= Submit Previous Answers Request Answer Part C X Incorrect; Try Again; 4 attempts remaining Review your calculations and make sure you round to 3 significant figures in the la Number of molecules in 8.437x10-2 mol CsH6. Express the amount in molecules to four significant digits. amount of C6H6 = Submit Part D 15. ΑΣΦ ? Request Answer Number of O atoms in R 25x10-3 mol A1(NO.). mol FOR ? molecules
- a Assume that mitochondria are cylinders 8.00 um in length and 0.800 pm in diameter. What is the volume of a single mitochondrion? The volume of a cylinder is given by the expression: V = n x y2 x h Volume= m6 A5.301 g of sample of a mixture containing MgSO, 7H,O (MM-246.5) and NaCI (MM-58.44) yielded 3.784 g a solid residue after this mixture was heated. Given this information, how many grams of sodium are in the mixture? Report the answer to 3 significant figures. Type your answer...+2 Pb Thallium Lead 200.592 2818 32 182 1832 18 1 204.383 207.2 28 18 32 10 2818 32 18 3 111 112 +2 Mt Ds Hassium Meitnerium Darm (264] 32 32 122 2818 32 32 13 2 28 18 32 32 [269] 59 15. NaOH Ba(NO), (1)balanced eanation (10101lm介 10nice (6) Total mot ianic eanation (d)net lonic eqnoition
- What is the absolute uncertainty and relative uncertainty of the molarity of the solution? M = = 0.078376462 = 0.078 M Pb2+M Inbox ( x Precalc X A HOLID X Oluwa X Good ь Chemi X A fake X G spiral G the sar X X Micros X https://papers.xtremepape.rs/CAIE/IGCSE/Chemistry%20(0620)/0620_s05_qp_6.pdf The same mass of zinc was used each time. The volume of acid used was different each time. Use the syringe diagrams to record the volume of hydrogen produced each time in the table. Table of results volume of sulphuric acid/cm volume of syringe diagram hydrogen/cm3 10 20 30 40 50 60 70 80 10 20 30 40 50 60 70 80 15 10 20 30 40 50 60 70 80 20 10 20 30 40 50 60 70 80 25 10 20 30 40 50 60 70 80 30 10 20 30 40 50 60 70 80 10 20 30 40 50 60 70 80 35 40 10 20 30 40 50 60 70 80 ENG 23:09 O Type here to search 27°C US 21/04/2022%ot 令4N ۱۷ من ۲ ۲ YAA @ Asiacel I. A docs.google.com قسم بلا عنوان You are presented with a prescription for Zyloric tablets 100 mg at a dose of 300 mg each day for 7 days, reducing to 200 mg for further 7 days. Then, 100 mg for another 7 A ays. How many packs of 28 tablets should ?you supply Two and a half Three One | Four One and a half The number of days a 150 mL bottle of nitrazepam 2.5 mg/5 mL suspension will last a patient prescribed nitrazepam 5 mg at * .bedtime for insomnia 10 وسن سالم طاهر B2 21:46 äcluI 21.03.11