Friday
November 28, 2014

Posts by Beth


Total # Posts: 621

Chemistry
The Ksp of aluminum hydroxide is 5 x 10 -33.At what ph foes Al(OH)3 just begin to precipitate in a 0.15M solution of AlCl3?
October 7, 2010

math
how do i convert 0.79 to a fraction
September 22, 2010

Physics
Show that the pressure P of a gas can be written as: P= 1/3* p* v^2
September 21, 2010

6th grade social studies
need to find a place that has no culture so I can write an essay about it
September 12, 2010

General Chemistry
Given 115 grams of Na2SO4 find: a. the # of moles in sodium sulfate b. the # of moles in sodium ions Please explain all work and fully explain where each # came from. Thanks.
August 24, 2010

elementary math
What is half of one and a half cups?
August 16, 2010

history
what were the political and social outcomes of the end of the Vietnam War?
August 12, 2010

medicine
What is the main difference between a stem cell and a cancer cell? A. A stem cell grows at a faster rate than a cancer cell B. A stem cell obeys signals to stop growth, but a cancer cell doesn't C. A stem cell is usually external; a cancer cell is usually internal D. A ...
August 7, 2010

medicine
A patient was admitted in an alternating state of mania and despair. What diagnosis does this statement describe? A. Obsessive-compulsive disorder B. Bipolar disorder C. Posttraumatic stress disorder D. Anxiety I'm not sure if it's B or D
August 7, 2010

medicine
A patient has unrealistic thoughts and behaviors despite an awareness that they're inappropriate. She's experiencing A. Phobia B. paraphilia C. panic attack D. obsessive-compulsive disorder I think it's D
August 7, 2010

Chemistry
Ah, I see what you are talking about. OCH3 is above the CH ________________________ OH O is above the CH Also OH is under the CH ________________________ OH is under the C ___________________ CH3 O is above the CH ____________________ Br is above the C OH is under the C ...
July 26, 2010

Chemistry
I would appeciate any help with identifying the chiral carbons, if any, in each of the following compounds: OCH3 2. CH3--CH--CH3 OH O 11. CH3--CH--C--CH3 OH 12. CH3--C--CH3 OH CH3 O 15.CH3--CH--C--CH3 Br CH3--C--CH2--CH3 OH thank you.
July 26, 2010

Chemistry
yes, it is tetrahydrocannabinol. I had put because OH is acidic it would be an example of an aromatic alcohol.slightly acidic. also phenol and carbonic acid. Thank you for letting me know it is only an ether and a phenol.
July 26, 2010

Chemistry
I have a lot of questions on identify(ing) the functional groups in molecules. I am not sure how to go about finding these out.The first question is THC. How do I go about knowing the functional group of this molecule? Thank you.
July 26, 2010

Chemistry
Does anyone know the condensed structured formula in the following reaction: a.CH3--CH2--CH=CH2+HOH-->H+ Thank you.
July 26, 2010

Chemistry
Thank you. On the second one I forgot to put an O--CH3 over the CH O--CH3 CH3--CH2--CH--CH2--CH3 ___________________ Does anyone know the functional group of the following? Thank you. OH CH3 CH3--C--CH2--CH--CH3 CH3
July 26, 2010

Chemistry
Are these an alcohol, phenol, an ether or a thiol. CH3--CH2--CH2--SH CH3--CH2--CH--CH2--CH3 Any help is appreciated, I am trying to get the hang of this.If I know these two, I believe I will be able to do all the other ones I have to. Thanks.
July 26, 2010

Chemistry
I do not have any table of functional groups. I am out of the city w/o a textbook visiting an ill parent. I will look online. I think I have it though regarding functional group. Any OH-C bond is an alcohol. O would be ether due to C-0-C bond. C-SH bond would be thiol. But I ...
July 26, 2010

Chemistry
Ok, it looks good then? Thank you for looking it over. Do you know where I would be able to recieve online assistance with drawing structures? Thank you.
July 26, 2010

Chemistry
Draw the condensed structural formula for ethylbenzene, 1,3 dichlorobenzene,1,2 and 4-trimethylbenzene ? Any help would be appreciated, thank you I also was wondering if anyone could let me know if I am going in the correct direction with this question> Acetylene gas reacts...
July 26, 2010

chemistry
Using a value of Ksp = 1.8 x 10-2 for the reaction PbCl2(s) = Pb+2(aq) + 2Cl-(aq). If a solution has a current value of Keq of 1.2 x 10-2, which statement is true?
June 21, 2010

algebra
The answer is D. The sqrt of 16 is 4. The sqrt of 4 is 2.And just keep the sqrt of (2) the same.(:
June 21, 2010

math
64.93 You do pythagorean theorem. a2+b2=c2
June 21, 2010

Algebra
I need to make an algebra problem using a cake with the measurements 12 inches by 16 inches and 3 inches thick. There were also 30 guest there and half of the cake was left. I also need the concept being used.
May 10, 2010

Algebra
I need to make an algebra problem using a cake with the measurements 12 inches by 16 inches and 3 inches thick. There were also 30 guest there and half of the cake was left. I also need the concept being used.
May 10, 2010

chemistry
I don't understand how we can know the total moles of solution if the question doesn't specify what the aqueous solution is. Do we always assume its water??
May 2, 2010

grammar
The role of education plays a big part in financial planning. The role of education also helps you in learning basic math skills in order to better your finances. The whole idea is to help you in becoming a more responsible adult. With effective resource planning organizations...
April 28, 2010

college
FIND THE VERTEX THE LINE OF SYMMETRY THE MAX OR MIN VALUE OF THE FOLLOWING F(X)= -X^2+10X+5
April 25, 2010

chemistry
15.0g of each reactant is taken,determine which mass is limiting and calculate the mass of each product: Al(s)+HCl(aq)-->AlCl3(aq)+H2(g)
March 29, 2010

Conflict Management
Name at least 3 Passive aggressive groups and behaviors in society I was thinking the KKK, Civil Rights Movement, and disgruntled workers in the workplace. Any other thoughts would be greatly appreciated! Thanks :)
February 21, 2010

Reproduction
What would the biological effect of severing the portal blood vessels in the stalk of a pituitary gland? Would the release of hormones by the posterior pituitary gland be affected by severing the portal blood vessels?
February 13, 2010

Chemistry
Please heellppppppppp!!!! How do you expect the following series of compounds to compare in behavior in the two tests?(Sn1/Sn2 reaction) CH3-CH=CH-CH2-Br CH3-C=CH-CH3 ! Br CH3-CH2-CH2-CH2-Br Please help me answer this question, I really don't understand and don't know ...
February 9, 2010

MATH
Count the sides.Or check the size
February 8, 2010

Communication Studies
These are good ones! Thanks for the suggestions! :-)
January 29, 2010

Communication Studies
Give one example of a situation in which speech performance may be impaired. I was going to say background noise, but I believe that the teacher is looking for a performance error. Thanks!
January 29, 2010

Communication Language Studies
Thanks for your help!
January 22, 2010

Communication Language Studies
Do you think this would be an appropriate answer to the question? Specialist vocabulary is necessary under certain circumstances in order to communicate among people who understand and are expected to because of their profession.
January 22, 2010

Communication Language Studies
Is specialist vocabulary necessary, or just the product of history?
January 22, 2010

physics
Four 6.0 kg spheres are located at the corners of a square of side 0.70 m. Calculate the magnitude and direction of the gravitational force on one sphere due to the other three.
January 18, 2010

chemistry
If you are given a mass of sodium lactate, NaCH3CHOHCO2 which is added to ---ml of a ---M solution of lactic aid, can you please just give me the equation
January 11, 2010

Accounting
Go to Table 10-1 which is based on bonds paying 10 percent interest for 20 years. Assume interest rates in the market (yield to maturity) decline from 11 percent to 8 percent: A. What is the bond price at 11%? B. What is the bond price at 8%? C. What would be your percentage ...
January 10, 2010

AP Chemistry
An aqueous sulfuric acid solution containing 571.6 g of H2SO4 per liter of solution at 20°C has a density of 1.3294 g/mL. Calculate (a) the molarity, (b) the molality, (c) the percent by mass, and (d) the mole fraction of H2SO4 for the solution. (MM H2SO4 = 98.08; MM H2O...
January 5, 2010

geometry
20.45 mph solution: 30ft X 1 mi X 60 S X 60 min = 108000 108000/ (1s X 5280 ft X 1 min X 1hr) = 20.45 mph
January 5, 2010

French
Could you please check and correct this for any spelling or grammar problems. Thanks! PAST 1.Quand j'étais jeune, j'ai eu des cheveux blonds. 2.Ma soeur, Marissa, et moi avons joué ensemble tout le temps. 3.J'ai sucé mon pouce. 4.J'ai port&...
December 21, 2009

history1301
I need some History help! Its US History. OK first of all I would like to post the question I need help answering. I also would like to post another question that I have answered and see if it was the right answer that I came up with. thanks for the help! Here is the question...
December 6, 2009

texas history
Mr bob I sure appreciate your help, and that helps me understand it versus just giving the answer! I knew it had something to do with the cotton fields!
November 9, 2009

texas history
what about this part? How and why was smuggling such a lucrative proposition in the eastern portion of the state?
November 9, 2009

texas history
thank you SOOOO much!
November 9, 2009

texas history
I thought about that, but I was kinda scared to post that lol, I didnt know for sure if that was the answer, and if it wasnt I didnt want to offend anyone. do you have a link at all that I can use for that?
November 9, 2009

texas history
so would the answer be texians? I am so confused!
November 9, 2009

texas history
Need help with texas history -what were the illegal immigants called? I really need help! I am doing a treasure hunt where our teacher gave us questions to answer. I have answered them all except one and I cannot find it at all. we cannot use wiki as a source. if you have an ...
November 9, 2009

2nd grade
what is doubles, near doubled, and make ten strategies?
November 2, 2009

Algebra
the domain will be all real numbers because any number squared is positive
November 1, 2009

basic chem conversion
I have 760 mm Hg at 10 km. How do I convert this to atms? I know that 101.3 atm is equal to 760 mmHg but i dont know how the 10 km will affect this.
November 1, 2009

social studies
Search for roman empire religion culture war conflict in google and go to the first link
November 1, 2009

Math
thats the same as 6+4x=1 take out a 2 : 2(3+2x)=1 divide each side by 2: 3+2x=(1/2) take 3 from each side: 2x= (-5/2) then divide each side by 2 to get x: x= -5/4
November 1, 2009

ms. sue
please help We're going over hybridization right now, like sp3 and stuff. But I dont understand how you got it at all. Can you please tell me the hybridization for these two examples I made up and explain how you got it thanks 1. NH3 2. PF5
October 20, 2009

science
rolling friction- riding your bike or skateboard sliding friction-cartlige against your bone static friction- you trying to push a heavy bookcase fluid friction- when you ride your bike through the air (this is when an object moves through anything flowing. yes, air counts)
October 20, 2009

Chemistry
We're going over hybridization right now, like sp3 and stuff. But I dont understand how you got it at all. Can you please tell me the hybridization for these two examples I made up and explain how you got it thanks 1. NH3 2. PF5
October 20, 2009

MATHS
I meant 2098 I made a mistake
October 20, 2009

MATHS
3524 kg just double the mass of the truck when its half full
October 20, 2009

Biology
Enzyme is a protein that is a biological catalyst that increases the rate of a reaction. All enzymes are protein but not all proteins are enzymes
October 20, 2009

Physics
A ball is thrown directly downward, with an initial speed of 7.40 m/s, from a height of 31.0 m. After what time interval does the ball strike the ground? I thought it would be 31 m / 7.40 = 4.18 seconds, but it's the wrong answer.
October 10, 2009

Physics
The minimum distance required to stop a car moving at 46.0 mi/h is 39.0 ft. What is the minimum stopping distance for the same car moving at 80.0 mi/h, assuming the same rate of acceleration? Can I do a proportion or is this totally different?
October 10, 2009

Mass Communication Studies
What legal issues must be considered when digitally manipulating images downloaded from the Internet for use in a new book?
October 6, 2009

science
the doctor orders 0.200 mg of atropine im for you. the concentration recorded on the premixed syringe is 0.00100 g of atropine im per 10.0 mL of solution. how many mL should the nurse administer?
October 4, 2009

science
you have a daughter that weighs 11.0 kg. theh dosage for ibuprofen is 10.0 mg for every kg of body mass. the bottle has 20.0 mg of ibuprofen per cc of suspension. how many cc of suspension should you give her?
October 4, 2009

Communication Law Studies
Can publishing photos of people who are unaware that they are being taken can hold legal binding in court? If so how and under what statutes?
September 21, 2009

college
yes it is just posted the class for it. HCR/230 - CLAIMS PREPARATION II: FOOTING THE BILLS (AXIA)
September 9, 2009

college
Post a 200- to 300-word response to the following: Compare cost control strategies of employer-sponsored health plans, in which employers buy from insurance companies, to self-funded health plans, in which employers cover costs of benefits. Include the following factors: o ...
September 9, 2009

Maths
What is the reference angle for (27 pi)/5?
August 14, 2009

Communication Studies
Thanks for your insight to this question!
August 3, 2009

Communication Studies
Ah well first of all the person who goes to prison is found guilty of a crime. The hitting someone occurence could happen for any stupid reason. Your thoughts? How can I logically answer this question? If people feel that they must hurt or harm a person, what do the people do ...
August 3, 2009

Communication Studies
So to keep from feeling guilty they use a scapegoat or excuse?
August 3, 2009

Communication Studies
The question is what do they do not to feel guilty? They should feel guilty, but some people don't. Is there a logical answer to this question? Thanks!
August 3, 2009

Communication Studies
If people feel that they must hurt or harm a person, what do the people do to keep from feeling guilty about hurting that person?
August 3, 2009

Communication Studies
Thank you! I will check that out!
July 29, 2009

Communication Studies
What is a movie that shows an example of gender miscommunication? Are these characters on the margins of society, as depicted in the film, or are portrayed in a stereotyped way or as people who can be more honest because they are "marginal" people, those not co-opted...
July 29, 2009

Math
How do we express this in interval notation? x < 0 or 7 < x < 9
July 26, 2009

Algebra
Ok so the function is f(x)=k(x-r1)(x-r2)(x-r3) =k(x-(-5))(x-ã3)(x--ã3) Now to check this?
July 21, 2009

Algebra
What is r2 and r3 stand for? Not too sure how to check this. Can you show me please I got 10 more problems like this. Thanks!
July 21, 2009

Algebra
f(-5)= 1^3 +5(1)^2-3(1)-15 = -12. f(sqrt3) = 1^3 +5(1)^2-3(1)-15 = -12 f(sqrt-3) = 1^3 +5(1)^2-3(1)-15 = -12 Are these correct?
July 21, 2009

Algebra
Find a polynomial function of degree 3 with the given numbers as zeros. -5, sqrt3, -sqrt3
July 21, 2009

Algebra
Find the inverse of the relation: {(0,1),(5,6),(-2,-4)}
July 20, 2009

Algebra
Please Solve: t+1/3 - t-1/2 = 1
July 1, 2009

Algebra
Thank you for the help!
June 17, 2009

Algebra
f(x+h)-f(x)/h for f(x)= 4x+9 and simplify.
June 17, 2009

Algebra
I think I got it! Are the slopes of the given and parallel lines = ?
June 17, 2009

Algebra
so based on this her sales would be $740.16 money earned from weekly sales +225.00 base pay $965.16 Amy’s Weekly Paycheck Earnings
June 13, 2009

Algebra
Amy earns a weekly paycheck consisting of base pay of $225, plus a commission of 4.8% of her weekly sales. (a) Write an equation that can be used to determine Amy’s weekly paycheck P, given the amount of weekly sales s. (b) Determine Amy’s weekly paycheck if her ...
June 13, 2009

Algebra
Great! Thanks for the help! So R= 8 and the center is (-1,5) got it! Thanks again!
June 12, 2009

Algebra
That is what I thought, so the standard form would be (x-(-1]^2 + (y-5)^2 = 64
June 12, 2009

Algebra
ok based on that I would say the radius is 8 cause 8*8 = 64 and the center is (1,5)? Or do the signs change because of the equation (x-h)^2 + (y-k)^2 = r^2 making the center (-1,5)?
June 12, 2009

Algebra
State the center and the radius of the circle represented by the equation (x + 1)^2 + (y – 5)^2 = 64
June 12, 2009

Algebra
Thanks!
June 1, 2009

Algebra
0^2 = 0? Just wanna be sure
June 1, 2009

Chemistry
For one mole the ideal gas law is pV=RT , write down the exact differential dV. Would I be right to differentiate with respect to T and p separately?... V = RT/p dV = R/p - (RT)/(p^2)
May 17, 2009

Chemistry
In solution it would separate into ions. As this is a strong base it would be fully dissociated in solution i.e K+ ions and OH- ions.
May 17, 2009

health
Need help writing a report on nutritional value.
May 14, 2009

Chemistry...Help?
I believe the answer to part (B) can be found in your text in the chapter on Acid Rain. It that chapter, it states that Carbonic Acid acts in the environment to keep rainwater at a pH of between 5 and 7. It then goes on to dicuss the term acid rain as pertaining to ...
May 12, 2009

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