## Question

###### Explain why this statement is true: "Iftwo spots in & chromatogram have the same Rf values they may be the same compound. Ifthey do not have the same RC; they are not the same compound: (T0)

Explain why this statement is true: "Iftwo spots in & chromatogram have the same Rf values they may be the same compound. Ifthey do not have the same RC; they are not the same compound: (T0)

## Answers

#### Similar Solved Questions

5 answers

##### 13 Prove that the languageL = {a"br m = n or m = Zn}is context-free.2 Prove that if G is a context-free grammar in Chomsky normal form then for any â‚¬ â‚¬ L(G) with Izl = n the derivation of â‚¬ requires 2n 1 steps_3_ Let G = (AN, AT, S,P) be a context-free grammar in Chomsky normal form Prove that if there exists word U 6 L(G) generated by derivation that uses more than |Pl steps, then L(G) is infinite:4_ Prove that:the language {cyr T,y â‚¬ {a,b}*} is not context-free; the language {ryrR

13 Prove that the language L = {a"br m = n or m = Zn} is context-free. 2 Prove that if G is a context-free grammar in Chomsky normal form then for any â‚¬ â‚¬ L(G) with Izl = n the derivation of â‚¬ requires 2n 1 steps_ 3_ Let G = (AN, AT, S,P) be a context-free grammar in Chomsky n...

5 answers

##### 2) Which statement is NOT true? A) Cholesterol is a prominent member of the steroid family: B) Cholesterol is insoluble in the aqueous medium of the blood: the starting material for the synthesis of all other steroids C) Cholesterol serves as D) Cholesterol is vital component for healthy cell membranes required in the diet: E) Cholesterol cannot _ be 'synthesized in the body, and therefore is3) Which of the following statements is NOT true regarding lipids? Lipids come wide variety of struc

2) Which statement is NOT true? A) Cholesterol is a prominent member of the steroid family: B) Cholesterol is insoluble in the aqueous medium of the blood: the starting material for the synthesis of all other steroids C) Cholesterol serves as D) Cholesterol is vital component for healthy cell membra...

4 answers

##### 7) In the following graph; Vi = 20 m/s in the +x direction, t1 6 seconds, and it takes 18 seconds to stop (this is the total time from 0 seconds) What is the object's acceleration from 6 seconds until it stops in m/s2? If in the negative X direction; indicate s0 with a negative sign

7) In the following graph; Vi = 20 m/s in the +x direction, t1 6 seconds, and it takes 18 seconds to stop (this is the total time from 0 seconds) What is the object's acceleration from 6 seconds until it stops in m/s2? If in the negative X direction; indicate s0 with a negative sign...

5 answers

##### TNDC Rabiccl Adb Gat Iketina 14aNatmnRapxe &t "qchSllc;Tie reaction H?Ic) N2le) NH3ie) t at exjuil bxiurn_ What will conthinni unceaced Fappen ifthe volurne of Ihe constnt tempcrature?Nhbmlbe producedatthie Pxanse 0ih)andHZ and NZ will be proruced atthe expense Ni The equlibriur constant 'il inceaseTere#nJ effect;NOle) NzOg) - NO?Ic) urothenciion the system equilibrium Miscd?effeceUne temperanumaThe partial pfessute ONCZ wIll increaseThe Pariz Dressuiedec easene Damtia DTESSUr LHac

TNDC Rabiccl Adb Gat Iketina 14a Natmn Rapxe &t " qch Sllc; Tie reaction H?Ic) N2le) NH3ie) t at exjuil bxiurn_ What will conthinni unceaced Fappen ifthe volurne of Ihe constnt tempcrature? Nhbmlbe producedatthie Pxanse 0ih)and HZ and NZ will be proruced atthe expense Ni The equlibriur cons...

5 answers

##### Suppose f(x) is continuous_ differentiable function over the closed interval [3,]. Select the best wora to complete each sentence:(a) ThereSelect-be an absolute maximum/minimum value of over a,b] -(b) ThereScect--local maximum/minimum value of over (a,b);(c) ThereSelect-be an x-valuea,b such that f'(c)-f(b) and f(c)-f(a)_(d) ThereScect--be an X-value c in (a,b such that F(c)-Ib)_fa)_(e) ThereSelect--be an x-value(a,b such that f(c) does not exist:

Suppose f(x) is continuous_ differentiable function over the closed interval [3,]. Select the best wora to complete each sentence: (a) There Select- be an absolute maximum/minimum value of over a,b] - (b) There Scect-- local maximum/minimum value of over (a,b); (c) There Select- be an x-value a,b su...

5 answers

##### Given: r(t) = cos(2t)i + (t)j + sin(2t)k for t in R. Find the unit tangent vector:Select one:No correct answer {(-sin(4t)i + j + cos(4t)k) J(2sin(2t)i + j - 2cos(2t)k) V5(-2 sin(2t)i + j + 2cos(2t)k) {(sin(4t)i + j cos(4t)k)

Given: r(t) = cos(2t)i + (t)j + sin(2t)k for t in R. Find the unit tangent vector: Select one: No correct answer {(-sin(4t)i + j + cos(4t)k) J(2sin(2t)i + j - 2cos(2t)k) V5(-2 sin(2t)i + j + 2cos(2t)k) {(sin(4t)i + j cos(4t)k)...

5 answers

##### P0,Choose the law and the formula that would be used to solve the triangleFotnulanin A Ein B si4 B a â‚¬0 +c Zccoa A Zabcon- Cosines 0 Haaco pl Sinol Ell C00.64.78Type here to search

P0,Choose the law and the formula that would be used to solve the triangle Fotnula nin A Ein B si4 B a â‚¬ 0 +c Zccoa A Zabcon- Cosines 0 Haaco pl Sinol Ell C 00.64.78 Type here to search...

5 answers

##### Wzdz {@HnarAellflWflral aeti nktnode Inenunlan macbiem choose = Irito tne Eoin aecbest uicels tule) MAr nernelvecocdlnaan T31468 :omje Bekeut? IL /3 not possibile Iat Iableeu In Ilie (unceen valuc If wechoot Itration mI hore ctcbl WenarosaL scrand (ot Ihrol moy Iualrvn cociticlent Ito4io #enn

Wzdz {@ Hnar Aellfl Wflral aeti nktnode Inenunlan macbiem choose = Irito tne Eoin aecbest uicels tule) MAr nernelvecocdlnaan T31468 :omje Bekeut? IL /3 not possibile Iat Iableeu In Ilie (unceen valuc If wechoot Itration mI hore ctcbl WenarosaL scrand (ot Ihrol moy Iualrvn cociticlent Ito4io #enn...

5 answers

##### The circuit at right is turned on at t=0. The [ EMF â‚¬ = 45 and the resistors are all equal R; connected a5 shown: Rz = The Cpacitarce â‚¬ = 4 uF turned on: 3000 Q_ Find the current through the EMF just after the EMF-0.02 4.0 A 8 3.0 A 0.04 A 0.01 A:10' m/s In the positive : direction _ 8. A proton Is moving with velocity Vo field with Bat 0.10 points uniform magnetic Is crossing a region in which acting on the particle: citive v direction; Find the force

The circuit at right is turned on at t=0. The [ EMF â‚¬ = 45 and the resistors are all equal R; connected a5 shown: Rz = The Cpacitarce â‚¬ = 4 uF turned on: 3000 Q_ Find the current through the EMF just after the EMF- 0.02 4.0 A 8 3.0 A 0.04 A 0.01 A: 10' m/s In the positive : directio...

5 answers

##### Supposc thc function updited frin f(=) 1" t0 {(=) thc function?150 How docs changing the coeflicicnt from ! t0 2.5 impact the output ofOTe sign of the output !alue remains Ute same nd thc ourput valuc gcts clascr to thc vauluc of 0. The sign of thc output valuc chunges and thc output valuc Ects furthcr from the valuc of 0. OThc function lonEcr monIII function: Thc NirI o( thc oulprur Faluc changet And thc DuPu value Kcl cloicr ! tha valuc of 0 0Thc sign of thc ouiput valuc rcmains thc sunx

Supposc thc function updited frin f(=) 1" t0 {(=) thc function? 150 How docs changing the coeflicicnt from ! t0 2.5 impact the output of OTe sign of the output !alue remains Ute same nd thc ourput valuc gcts clascr to thc vauluc of 0. The sign of thc output valuc chunges and thc output valuc Ec...

5 answers

##### What is the equation of the normal line of f(x) = In(x? _ 3) at the point x = 2 ~4y-x-2-0 4y-x-2-0 '0308 ~Ay+x-2-0 4y+x-2-0 Bos birak

What is the equation of the normal line of f(x) = In(x? _ 3) at the point x = 2 ~4y-x-2-0 4y-x-2-0 '0308 ~Ay+x-2-0 4y+x-2-0 Bos birak...

5 answers

##### Gridded Response If Whitney plays a low G on her piano, the frequency of the note is 24.50 hertz. The frequency of a note doubles with each octave. What is the frequency in hertz of a G note that is 3 octaves above low $G$ ?

Gridded Response If Whitney plays a low G on her piano, the frequency of the note is 24.50 hertz. The frequency of a note doubles with each octave. What is the frequency in hertz of a G note that is 3 octaves above low $G$ ?...

5 answers

##### Positively charged particle traveling at high speed ninm unlorm Magnetic lield perpendicular to its puth electron by the magnetic field The work done on the posilivg netatlve ICro

positively charged particle traveling at high speed ninm unlorm Magnetic lield perpendicular to its puth electron by the magnetic field The work done on the posilivg netatlve ICro...

3 answers

##### Sketch the graph of the limacon r =3-2cos0 and the circle r =2 Shade the region that is outside of the limacon and inside of the circle. Find the points of intersection of the polar curves and determine the area of the shaded region.

Sketch the graph of the limacon r =3-2cos0 and the circle r =2 Shade the region that is outside of the limacon and inside of the circle. Find the points of intersection of the polar curves and determine the area of the shaded region....

5 answers

##### Use the mechod of undetermined coefhcients to solve the following differential quation;16x+02help (formulas)4)

Use the mechod of undetermined coefhcients to solve the following differential quation; 16x +02 help (formulas) 4)...

5 answers

##### 11. [-/4 Points]DETAILSSCALCET8 2.6.046.(a) Use & graph of f(x) V2x2 + Sx + 9 2x2 + 2x + 4 to estimate the value of Iim f(x) to one decimal place(b) Use table of values of f(x) to estimate the limit to four decimal places.(c) Find the exact value of the limit:Need Help?Read ItIlkee 1uterSubmit Answer

11. [-/4 Points] DETAILS SCALCET8 2.6.046. (a) Use & graph of f(x) V2x2 + Sx + 9 2x2 + 2x + 4 to estimate the value of Iim f(x) to one decimal place (b) Use table of values of f(x) to estimate the limit to four decimal places. (c) Find the exact value of the limit: Need Help? Read It Ilkee 1uter...

5 answers

##### Wnnnn Lachamumeni Into wmbolialon Tron ctlcong ttenior (You cin Innor droronces 7 p3st presenl "nd fUiuro Icrae )41rnontmvnidnumumongEcorciaAlaatcn naedrnintKentIccommi 0 crMiHadldneteato COMMAEtEtntamannenten jur und 4 EtCalentaenimmmitedOaedhntoeFnee nnGId Knchoan(Tyeudyour axpreeslon i7 ba eant ondor n9 thoy #PPar In U7o oran l e"proadon ) arjumentI valld nTrbobk nmumInl i2 bin

Wnnnn Lachamumeni Into wmbolialon Tron ctlcong ttenior (You cin Innor droronces 7 p3st presenl "nd fUiuro Icrae ) 41rnont mvnid n umumongEcorcia Alaatcn naedrnint KentIc commi 0 crMi Hadldneteato COMMAEt Etntaman nenten jur und 4 Et Calentaeni mmmited Oaedhntoe Fnee nn GId Knchoan (Tyeu dyour a...