Monday
September 22, 2014

Search: CIS

Number of results: 184

Pre-cal
The number cis 75 + cis 83 + cis91 +...+ cis 147 is expressed in the form r cis(theta), where 0 <= theta < 360. Find theta in degrees. I need help.
August 23, 2014 by Josh

Precal
The number cis 75 + cis 83 + cis91 +...+ cis 147 is expressed in the form r cis(theta), where 0 <= theta < 360. Find theta in degrees. @Damon I didn't understand your reply to my post. Could you please explain it to me?
August 23, 2014 by Josh

complex numbers!
-2-2i in polar form = 2.8 cis 2.35?? -3+4i polar form = 5 cis 2.2??? 1 - sqaureroot(3i) polar form = 2 cis 1.04?? What is cis? never mind I have the right answers. polar form z = r (cos O + i sin O ) is also written in an abbreviated form z = r cis O cos + sin = cis
November 3, 2006 by kevin

ORGANIC CHEMISTRY
how will I be able to form the cis,trans and the cis,cis isomers of dibenzalacetone?
February 25, 2008 by kkk

complex numbers
115 cis 45* 3 solutions = 120* apart Are these correct? 115 cis 45* 115 cis 45 + 120 = 165* 115 cis (45 + 120 + 120) = 285*?? WHat is cis? cos + isin OH LOL!!!Wish I could help!LOL!But...PLease help me!!:(
November 5, 2006 by kevin

complex number ~
thanks BOB =) *HUGS* 115 cis 45* 3 solutions = 120* apart Are these correct? 115 cis 45* 115 cis 45 + 120 = 165* or is it (-75*) 115 cis (45 + 120 + 120) = 285*?? or (-195*)?? It's really Matthew!I found out what it is but I will help you when you help me plz!!! Exactly right...
November 5, 2006 by kevin

equation complex number
z^4 + 81 = 0 (solve) change it to polar, then take the root. z^4= 81@180 z= 3@180/4 + n90 where n=0, 1, 2, 3 check: z= 3@180/4 + 3*90=3@315 z^4=81@(4*315)=81@1260= 91@180=-81 you can check it at the other roots also. this is what i did: z^4 = - 81 z (81 cis 180)^1/4 81 ^ 1/4 ...
November 3, 2006 by kevin

Trigonometry
QUESTIONS IM STUCK ON 6. Change -4√2 - 4√2 to trigonometric form A. 32 cis 135° B. 8 cis 225° C. 8 cis 45° D. 32 cis 45° 7. Simplify (2 cis 100°)7. A. 2 cis 700° B. 128 cis 280° C. 128 cis 340° D. 2 cis 340° 9. Simplify 12(cos52° + i sin52°)/8(cos128°+isin128°) 16...
December 4, 2012 by Erick

Trigonometry
im stuck on these questions....... 6. Change -4√2 - 4√2 to trigonometric form A. 32 cis 135° B. 8 cis 225° C. 8 cis 45° D. 32 cis 45° 7. Simplify (2 cis 100°)7. A. 2 cis 700° B. 128 cis 280° C. 128 cis 340° D. 2 cis 340° 9. Simplify 12(cos52° + i sin52°)/8(cos128°+...
December 5, 2012 by Rodrick

Calc
1. The problem statement, all variables and given/known data cos(x) = -2 I was trying to solve that problem ignoring what people say about it not being defined and got a number strangely. I showed step by step so you can tell me what I did wrong as I don't think I did anything...
July 27, 2010 by Kate

CALC
1. The problem statement, all variables and given/known data cos(x) = -2 I was trying to solve that problem ignoring what people say about it not being defined and got a number strangely. I showed step by step so you can tell me what I did wrong as I don't think I did anything...
July 27, 2010 by Kate

Pre-Calc
Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115 Find z2^6
July 25, 2011 by Peter

Math
Let cis Θ = cos Θ + i sin Θ. Let z1 = 3 cis 25 and let z2 = 4 cis 115 Find z2^6
July 25, 2011 by Peter

Precalc
(10 cis 200) (2 cis 50) = ? Is it just 20cis(10000)?
January 20, 2012 by Anon

CIS
power point presentaion Cis 105
July 31, 2011 by Anonymous

chemistry
Why are cis and trans isomers not possible for ClCH2CH2Cl? Because it is a single bonded compound and cis-trans isomerism is only possible when fre rotation about a bond is restricted or a double bond or cycle is essential for existence of cis-trans isomers.
June 29, 2010 by Jetta

CellBiology
Enhancers and promoters are ______. In contrast, the heterodimer "TFIIA and TFIIB" are examples of __________. a. trans-acting elements, cis-acting factors b. cis-acting elements, trans-acting factors c. cis-activating factors, trans-acting elements d. trans-activating factors...
July 31, 2006 by Josh

Biochem
Enhancers and promoters are ______. In contrast, the heterodimer "TFIIA and TFIIB" are examples of __________. a. trans-acting elements, cis-acting factors b. cis-acting elements, trans-acting factors c. cis-activating factors, trans-acting elements d. trans-activating factors...
August 1, 2006 by Sarah

trigonometry
2. Choose the point that lies on the curve r = 2 – 3 sin θ. A. (-5, 3π/2) B. (–2, π) C. (1, π/2) D. (5, π/2 3. Which of the following is not an approximate solution of x5 – 1 = 0? A. 0.3090 – 0.9511i B. 0.8090 + 0.5878i C. 0.3090 + 0.9511i D. –0.8090...
November 28, 2012 by Erick

trigonometry
2. Choose the point that lies on the curve r = 2 – 3 sin θ. A. (-5, 3π/2) B. (–2, π) C. (1, π/2) D. (5, π/2 3. Which of the following is not an approximate solution of x5 – 1 = 0? A. 0.3090 – 0.9511i B. 0.8090 + 0.5878i C. 0.3090 + 0.9511i D. –0.8090...
November 28, 2012 by Erick

Trigonometry
2. Choose the point that lies on the curve r = 2 – 3 sin θ. A. (-5, 3π/2) B. (–2, π) C. (1, π/2) D. (5, π/2 3. Which of the following is not an approximate solution of x5 – 1 = 0? A. 0.3090 – 0.9511i B. 0.8090 + 0.5878i C. 0.3090 + 0.9511i D. –0.8090...
December 2, 2012 by Erick

Trigonometry
2. Choose the point that lies on the curve r = 2 – 3 sin θ. A. (-5, 3π/2) <---------- B. (–2, π) C. (1, π/2) D. (5, π/2 3. Which of the following is not an approximate solution of x5 – 1 = 0? A. 0.3090 – 0.9511i B. 0.8090 + 0.5878i C. 0.3090 + 0....
December 3, 2012 by Erick

Trigonometry
Please check if i did right! 2. Choose the point that lies on the curve r = 2 – 3 sin θ. A. (-5, 3π/2) <---------- B. (–2, π) C. (1, π/2) D. (5, π/2 3. Which of the following is not an approximate solution of x5 – 1 = 0? A. 0.3090 – 0.9511i B. 0....
December 4, 2012 by Carlos

chemistry
What reagents would I have to use to convert a trans alkene into a cis alkene? example: trans-3-heptene to cis-3-heptene My thoughts: I feel as if I would use Br2/CCl4 first to create a dihalide, then possibly 2NaNh2 and finally a lindlar catalyst to end with a cis isomer?
July 11, 2013 by chelsea

Chemistry
1. How would you sketch the probable products of the reaction of the cis and trans with each reagent other than AgNO3? _____ with en _____ with NH3 ____ with KSCN cis: trans: (NOTE: What are the differences between cis and trans and its formation?) 2. How exactly would you ...
April 15, 2014 by Hannah

Organic Chemistry
In order for a Diels-Alder reaction to take place the diene must be in what conformation? A. cis B. trans C. s-trans D. anti E. s-cis
March 6, 2009 by nilee

CIS 115
CIS 115 week 7 exercise: Determine output. I need help with this week's exercise...DeVry CIS 115 week 7...please help! Using the questions on page 2, determine the output for each question. If input data is provided, be sure to use it with the each question.
February 24, 2013 by dddiii

Organic chem
Suggest a reason why the trans form of benzalacetophenone if formed in prefernce of the cis form. What does the cis form of this compound look like?
April 5, 2010 by Alice

College Chemistry
The equilibrium constant for the conversion of cis-stilbene to trans-stilbene is Kc = 24.0 at 200 C. If cis-stilbene is placed in an empty container at an initial concentration of 0.850 mol/L. What is the final concentration of trans-stilbene in the container at equilbrium? A ...
October 27, 2010 by Elleni

Chemistry
Below is the question I am trying to answer. I think after much debate, I may have it. Does anyone know if I am close to being right? Does cis and trans isomeric compounds display different properties? Why? Cis means on the same side and trans means on the opposite side. Cis ...
February 10, 2008 by Cynthia

Chemistry
Below is the question I am trying to answer. I think after much debate, I may have it. Does anyone know if I am close to being right? Does cis and trans isomeric compounds display different properties? Why? Cis means on the same side and trans means on the opposite side. Cis ...
February 10, 2008 by Cindy

Chemistry
differentiate alkenes and alkynes, cis isomers and trans isomers. Describe how cis-trans isomers are used for night vision
September 10, 2011 by ROCKY

Trigonometry
Stuck :( 1. Simplify (5-√-36)(2+√-1) A. 16 − 7i B. 16 + 7i C. 4 + 7i 2. Choose the point that lies on the curve r = 2 – 3 sin θ. A. (-5, 3π/3) B. (-2, π) C. (1, π/2) 3. Which of the following is not an approximate solution of x5 – 1 = 0? A...
December 9, 2012 by Rodrick

Maths
Could someone help me with this question Write in polar form : sinx - i cosx I've come up to this point, and it's wrong, can't someone please help? =sin(pie/2-x)-icos(pie/2-x) =cosx-isinx =cis(-x) But the answer is cis(x-pie/2)
March 4, 2009 by TP

convert cis-2-butene and trans-2-butene
why can't you convert cis-2-butene into trans-2-butene simply by undergoing a rotation? answered the original post. please answer this Question
January 16, 2007 by Desiree

organic chemistry
why can't you convert cis-2-butene into trans-2-butene simply by undergoing a rotation/ The cis and trans isomers of 2-butene involve a pi bond as well as a sigma bond. To "rotate" the molecule, the pi bond must be broken (remember this double bond is planar) and that involves...
January 16, 2007 by Desiree

Chemistry
Consider the isomerization equlibria of an alkene (C4H8) that co-exists as three isomers. (These 3 are in an equlibrium triangle) Reaction 1: cis-2-butene ⇔ trans-2-butene Reaction 2: cis-2-butene ⇔ 2-methylpropene Reaction 3: trans-2-butene ⇔ 2-methylpropene...
March 3, 2013 by Gleb

Chemistry
What happens when magnesium is added to Maleic and Fumaric acid? What gas is released from this reaction? I was also wondering if their are any differences between how each acid reacts with the magnesium because one is cis and the other trans. What happens when sodium ...
October 3, 2010 by Sean

Chem
The presence of 11-cis retinal, C20H28O, in cells in the eye is important for vision. The structure of retinal includes an aldehyde group, a cyclohexene ring and a long aliphatic side chain, in which a carbon-carbon double bond exists between carbons numbered 11 and 12. Which ...
September 19, 2014 by Ariana

CHEM HELP :(
The presence of 11-cis retinal, C20H28O, in cells in the eye is important for vision. The structure of retinal includes an aldehyde group, a cyclohexene ring and a long aliphatic side chain, in which a carbon-carbon double bond exists between carbons numbered 11 and 12. Which ...
September 20, 2014 by Ariana

chemistry
Which if the following statements concerning complex ion Co(en)2Cl2+ is true? en=NH2CH2CHNH2 A)the geometric isomers of the complex ion have identical chemical properties B) the complex ion exhibits cis an dtrans geometric isomers but no optical isomers C)the complex ion ...
April 21, 2007 by gina

european history
hi. I was wondering if this is a good concrete detail. After the fall of the Soviet Union, the leaders of 11 of the 15 constituent republics of the Soviet Union met in Alma-Ata, Kazakhstan, and signed the Charter of the Commonwealth of Independent States, thus de facto ...
April 27, 2007 by Anonymous

cis 113
num values[4]=0,0,0,0,?
February 25, 2011 by joy

CIS
What type of situation is appropriate to use a RAM and why? Thanks for the help.
July 13, 2008 by G

Chemistry
What is the balanced equation for the preparation of cis-1,2-cyclohexanediol???
November 5, 2008 by Andrew

chemistry
how many 18 carbon cis-monunsaturated fatty acids are there?
March 7, 2009 by Anonymous

science
Draw the structure for cis-2,3-dibromo-2-hexene.
April 28, 2010 by ima

Chemistry
Is thalidomide a cis isomer or a trans isomers? Thanks
January 31, 2011 by Ann

Chemistry
Is thalidomide a cis isomer or a trans isomers? Thanks
January 31, 2011 by Ann

Chemistry
Is thalidomide a cis isomer or a trans isomers? Thanks
January 31, 2011 by Ann

Precalculus
Write the three cube roots of 8 cis (-30°).
January 20, 2012 by Anon

chemistry
What are the differences between cis- and trans-isomers?
June 7, 2014 by slomomo

college
why us an alkene able to from cis/trans isomers but an alkane can't?
November 17, 2009 by gary

CIS
An object's path is updated by ____ when its name is changed.
February 10, 2010 by JohnJohn

cis 115
So what logic is used when pseudocoding compound conditions
March 17, 2011 by adam

chemistry
Why can’t ethyne be turned into trans or cis isomers?
July 10, 2011 by mike

chemistry
What is the difference between e/z notation and cis-trans isomerism?
April 12, 2013 by black_widow

Trigonometry
change 8 cis 240 degrees to rectangular form
December 9, 2013 by steve

biology - genetics
is the cis-regulatory sequence found in the exome?
March 26, 2014 by santoki

chemistry
How are cis trans isomers used for night vision?
June 7, 2014 by slomomo

CHemistry
Why do cis and trans isomeric compounds exhibit different properties?
February 14, 2009 by Laura

chem
is 2-methyl-2-pentene capable of forming cis/trans isomers
March 13, 2010 by rashid

chemistry
does any one know how to write cis-2,3-dibromo-2-hexene formula? Please help!
April 19, 2010 by Uli

chemistry
Does the complex ion [Co(en)2Cl2]^+ have cis-trans geometric isomers?
May 13, 2009 by Eliz

science
what is the condensed structure for the reactants and products of the following: cis-2-chloro-2-butene + HI-----> ??
December 6, 2010 by jazzy

ochem
is cis-1,2-dimethylcyclohexane a conformational isomer of trans-1,2-dimethylcycloehexane? Please explain.
October 13, 2011 by sammy

Biochemistry
I have asked for help from other classmates and we are so lost. Any help would be appreciated!! :) Q: What are the major carbon-containing products and the total molar yield of ATP when mammalian cell homogenates are incubated iwth teh four fatty acids listed below under ...
April 1, 2007 by Ashley

Chemistry
what are the condensed structured formulas of the products in each of the following reactions: cyclohexane+ H2-->Pt and cis-2-butene+ H2 -->Pt
July 26, 2010 by Bobby

CIS logic and design
pseudocode that requests and receives student names and an exam score for each
February 11, 2013 by dddiii

CIS 105
Where can I find a Microsoft excel on multimedia tools aid classroom instruction
August 10, 2013 by Lashindria

Organic Chemistry
How can I relate cis, trans cyclohexane to enantiomer pairs, diastereomers, and meso stereoisomers?
December 4, 2009 by Cerise

CIS
A(n) ____ is a file that contains a list of commands that Windows XP can process to draw a graphic image.
February 10, 2010 by JohnJohn

CIS Microcomputers Application
A_______ is a magnetic storage media usually sealed in a cas inside the computer.
January 11, 2008 by LaTarial

chemistry
the pressure on a gas at-73 Cis doubled, but its volume is held at constant. What will the final temperature be in degrees Cesius?
November 14, 2010 by chelsey

CIS 312 Information systems for managers
What laws should be enacted to combat cyberterrorism? How could such law be enforced?
September 23, 2012 by Timica

Chemistry
Which mechanism can better account for the product mixture obtained from the dehydration of cis and trans 4-methyl-cyclohexanol: E1, E2, or a combination of the two?
June 2, 2008 by chemstudent

cis
You've decided to operate a day care home. Which one of the following factors is the most important in helping you make your decision
March 10, 2013 by bahira

Cis/105
Besides budgeting - What are some uses for MS Excel we did not cover in class? Can you think of any other way you could use this application? Explain.
August 11, 2010 by Tonya

CIS 105
Explore one or more graphics programs available on your computer: Share your experience with the class. What did you like and dislike about the program
August 2, 2011 by Anonymous

Chem
Are trans-isomers more stable than cis-isomers? i.e. do they have a higher boiling point?
August 30, 2007 by Victor

Chemistry
What are the energies of the 2 conformations of methylcyclohexane and the 2 conformations of cis-1,3-dimethylcyclohexane? thanks
July 6, 2009 by Alex

chemistry
why does 2-butene have cis and trans isomers but 1-butene doesn't?
June 25, 2010 by Ana

Chemistry
Trans isomer is more stable than the Cis isomer.why?
August 27, 2014 by S.C.D

CIS
What method of ouput would be best for a hand held computer and why? If you can help to point me in the right direction then I will answer the question myself-otherwise thanks for all answers.
July 13, 2008 by G

CIS Microcomputers Application
A program that tracks a user's Internet usage without the user's permission is called______.
January 11, 2008 by LaTarial

Drbob Chem
Why does it not matter whether the OH groups are cis to one another in the furanose ring or trans to one another? Please help!
October 10, 2012 by Hdhbnj

orgo
Which acid, maleic or fumaric acid appears to be more reactive to bromine addition? How does the cis/trans affect this?
November 2, 2010 by Nick

Chemistry
Which of the following compounds can exhibit cis-trans isomerism? A) [Fe(CO)5ONO]2+ B) [Fe(CO)3(NH3)3]3+ C) [Cu(CO)5Br]+ D) [Cr(H2O)4Br2]+ E) [Fe(NH3)6]2+
December 6, 2012 by Emma

organic chemisrty
between butane,cis-2-butane,2-butyne,ethane and trans-2-butene which one has higher melting
August 20, 2014 by zama

CIS 312 Information systems for managers
What is the best way for a company to stay current in its computing? Is it even possible? What would be a safe strategy for an organization to use?
September 25, 2012 by yolanda

CIS 312 Information systems for managers
What is the best way for a company to stay current in its computing? Is it even possible? What would be a safe strategy for an organization to use?
September 26, 2012 by yolanda

Organic Chemistry I
Which acid, maleic or fumaric acid appears to be more reactive to bromine addition? How does the cis/trans affect this?
November 2, 2010 by Nick

CIS 312 Information systems for Managers
What can a company do to prevent incidences of theft or harm to its company's resources including data and humans?
September 19, 2012 by Timica

Genetics/Biology
Recombination frequencies a. arise from completely random genetic exchange. b. are the same for all genes. c. decrease with distance. d. are the same for cis and trans heterozygotes.
March 18, 2010 by Sonya

Genetics
I'm having trouble with this problem, because I keep getting the same answer for two of the questions, which doesn't help me with part d. If someone could give me some hints as to how to solve this correctly. Also do how does the anothocyanin factor in? Do rr plants die? In ...
November 27, 2007 by chamel413

Chemistry
Which stereoisomer configuration would be more stable, the z configuration or the e configuration? I tried searching for this, but I only got answers for cis/trans instead of e/z. Can anyone help with it? ty
July 29, 2010 by Neee

O-Chem 253
I hydrolized the following compound: cis-norbornene-5,6-endo-dicarboxylic anhydride then took the cis-norborene-5,6-endo-dicarboxylic acid and added H2SO4 to it (warmed it up and cooled it) then added drop by drop water (then I reheated the mixture and crystallized it again). ...
June 8, 2010 by Dmitry

Chemistry
Select all cases where the substance shown has a molecular dipole. CHF3 fluoroform H2NCH2CH2OH ethanolamine CF3CF3 hexafluoroethane CCl2CCl2 tetrachloroethylene (CH3)3N trimethylamine CHFCHF cis-1,2-difluoroethene None
January 22, 2010 by Angel

Chemistry
One of the flavouring compounds that have been isolated from aniseed oil is anethole. a.What is the configuration of the molecule, cis or trans? b. The compound will react with bromine. i.What would you observe? ii.Write an equation for the reaction.
December 19, 2012 by Sarah

chem
The minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164kJ/mol. Calculate the longest wavelenght visible to the human eye
October 27, 2008 by natash

Pages: 1 | 2 | Next>>

Search
Members