El poder de rotación específico de la sacarosa a 20 °C es [alfa]D20 = +66,53 grados/(dm g mL-1). ¿Cuál es su poder de rotación molar, expresado en grados/(dm mol L-1)? (Peso molecular de la sacarosa: 342,3). 1). 5.14 2). 22.77 3). 194.4 4). 22773
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El poder de rotación específico de la sacarosa a 20 °C es [alfa]D20 = +66,53 grados/(dm g mL-1). ¿Cuál es su poder de rotación molar, expresado en grados/(dm mol L-1)? (Peso molecular de la sacarosa: 342,3).
1). 5.14
2). 22.77
3). 194.4
4). 22773
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- *f. 1а. El2BOMe THF, -78 °C 1b. NaBH4 3. DIBAL-H (1.2 eq) toluene, -78 °C OH O .CO2t-Bu F1 F2 2. TESCI (2.5 eq), • imid, DMAP (cat.) DMF, rt5. Hence show that: OU (hv exp(-ẞhv)) hv exp(-2ẞhv) =-3Nhv + oß (1-exp(-ßhv)) (1-exp(-ẞhv)) Hint 1: you will need to use the quotient rule: yf'(x) xf'(y) f'(x) f'(y) (f'(y))² (f'(y))² Hint 2: the following identity will avoid you having to use the chain rule: d (1 − e√(x)) = − f'(x)e√(x) dxCalculate delta H for the following rection, FeO + CO = Fe + CO2 from the following data: Fe2O3 + 3CO --> 2Fe +3CO2 Delta H= -23 kJ 3Fe2O3 + CO --> 2Fe3O4 +CO2 Delta H= -39 kJ Fe3O4 +CO --> 3FeO +CO2 Delta H= +18 kJ
- (NO3)21aq) Mges)+ AGNO3 caq) -> (NO;)2 laq) Agis)+ Mg Agt cag) + e →Ages) E°= 0.800Y + e →Ag is) E °= 0.800Y Ma g27ag) • 2€→Mges) E° =-2 356 V laq) Mgis)E=- 2. 356V Is this a s pontaveous reaction, why or why no?O Ni(H₂O)2+ (aq) + 3SCN- (aq) = Ni(SCN); (aq) + 6H₂0(1) (a) Write the Kc expression for this equilibrium. (b) Would there be a shift to the right or to the left if KSCN solution was added to a solution containing this equilibrium? Explain your answer.Solve the attached
- ÇOOH H. H HN CH, H,C.. H,NOC COOH H. ноос COOH COOH Cofactor F430 (of methanogens) O is also common to photosynthetic microorganisms for the harvesting of light energy during photosynthesis. O is a cofactor of hydrogenases that is used to oxidize hydrogen and generate a proton motive force for methanogens. O is used in a select group of methanogens to transfer electrons in the membrane and generate protein motive force. O is the prosthetic group of the enzyme (methyl coenzyme M reductase) that catalyzes the terminal step of methanogenesis. Cofactor F430 is a nickel tetrapyrrol that serves as an electron carrier.12:56 AM Wed Nov 9 X no 00 Chemistry Pproducts PReactants PH₂ PIZ про 1.34 10 = (0.45 +p) (1.17+p) t1.51-2p)2 bp= (PHI) Û Homework+23+Equilibrium+2+NB ✓ 1.34-10 (1.51-2)² = (0.45 +p)(1.17+p) x Chem+101+exam+2+2019 , Dr. Dahm is attempting to store a sample of HI. Little does he realize that there exists an equilibrium between HI, I, and H₂. If he starts with an initial pressure of HI of 1.51 atm, H₂ of 0.45 atm and I, of 1.17 atm find the pressures at equilibrium. K for this reaction is 1.34 10¹ calculate the pressure of I, and H₂ when the reaction comes to equilibrium. X=-3± √5²-4ac 2a P= -2.43± √(243) ²-4 (0.464)(0.221) 2(0.464) P. -2.43± √5.9044-0.410176 0.134 (28²) -0.5265-5p+1-2p+p² 0.3065334 053 0.80496p=0.5865+1 0.536p²-p²-0.88936p-1.62p+0.3055334-0.5265 -0.464p²-242936p-0.220966 -0 10.464p² +243p +0.2211-0 a 0.928 P= -243±2.344 -0.085917 0.928 0.928 P= -0.092583 atm/ 2 HI 1.5) Initial Change-2p Equilibrium-1.51-2p atm Solving Equilibrium x Argument+Essay+Final+... 2N₂ N₂ + O₂…Course: MATH 10 (A) Mat x orgchem CHEM 31 (UVQ) SS AY:20 x I 5: Stereochemistry at Tetr X 3: Organic Compounds- X 6 Isomers and Molecular M X Worksheet #4.pdf C presentation b My Questions | bartleby x A vle.tac.upv.edu.ph/pluginfile.php/63301/mod_resource/content/3/Worksheet%20%234.pdf E Apps O UPV CRSIS M UP Mail Messenger N Netflix E Reading list UP-VLE M Gmail YouTube Worksheet #4.pdf 1 / 2 121% II. Identify the enantiomers, meso compounds, and diastereomers among the stereoisomers below. CH3 CH3 CH3 CH3 HO H он Но H. H C он он OH OH H30 BIO Biology Enronmental Science d. III. Identify the configuration of each molecule below. H3C, CI CH3 -COOH CH2OH CH,CH,NH2 ČH2OH HOH2C CH2CH2CH3 а. b. C. Page 1 of 2 Chemistry 31 – Elementary Organic Chemistry OF THE UNIVERSITY OF THE PHILIPPINES VISAYAS TACLOBAN COLLEGE 1908 Division of Natural Sciences and Mathematics H3CH2C ICH2CI H;C Он H3C d. е. 1:48 am P Type here to search O G 4) 22/06/2021 C----C ---- O---