Number of results: 132,239
chemistry- some help plzz totally lost on this one
what answer did you get??
Monday, July 13, 2009 at 1:15pm by help
chemistry- some help plzz totally lost on this one
Imagine that you are in chemistry lab and need to make 1.00 L of a solution with a pH of 2.70. You have in front of you * 100 mL of 7.00×10−2 M HCl * 100 mL of 5.00×10−2 M NaOH, and * plenty of distilled water. You start to add HCl to a beaker ...
Monday, July 13, 2009 at 1:15pm by DrFunk
Chemisty
Im totally lost on how to do redox reactions. Can any one show me the steps on how to do MnO4-1 +C7H60 => Mn2 +c7H6O2? im trying to study for a test and im totally lost. thanks in advanced.
Monday, May 31, 2010 at 3:24pm by Kelly
social studies
plzz just plzz HELP me i have to get this done now plzz i dont have time to look it all up and i really need your help im begging you
Wednesday, January 2, 2013 at 11:06am by peace
math
plzz plzz plzz help me
Tuesday, October 23, 2007 at 12:48am by anonymous person
Chemistry - Urgent
Totally lost.
Sunday, October 11, 2009 at 8:07pm by Jacob
chemistry- some help plzz totally lost on this one
Start with 100 mL HCl, left with 83.0 means you have added 17.0 mL HCl to the beaker. Start with 100 mL NaOH, left with 88 mL means you have added 12 mL NaOH. Calculate moles HCl and moles NaOH added and subtract to determine the excess acid in the beaker. Then use pH 2.70 to ...
Monday, July 13, 2009 at 1:15pm by DrBob222
Math
Can some one explain these to me i need the factors. i am totally lost. thanks x^2+x-6 x^2+7x+10 x^2+5x+6 x^2+2xy+15y^2
Monday, March 31, 2008 at 12:12am by joyce
Chemistry
Another hour gone by working on this and i still can't figure it out. Im totally lost!
Wednesday, September 19, 2012 at 9:07pm by Drew
English comp
I am trying to turn a poem into prose and I am totally lost. Can some help me if I send them the poem?
Tuesday, April 2, 2013 at 7:09pm by Rhonda
Math
I am totally lost on this problem. Here is my new answers but I am sure that they are wrong. Part A; a. 1/2 b. 1/2 c. 1/3 d. 1/4 e. 1/3 f. 1/4 g. 1/3 Part B I am really lost on. Thanks for your help.
Friday, July 10, 2009 at 2:22pm by B.B.
Chemistry
The isolated system allows no heat lost nor gained from outside, which would totally invalidate the data.
Wednesday, November 26, 2008 at 10:32pm by bobpursley
Science
very urgent!!!!!!!!! plzz plzz answer or attempt!
Tuesday, January 18, 2011 at 6:13pm by Dylan
Physics-Totally lost
I'm totally lost on this one- the earth is surrounded by an electric field with a strenth of 100 N/C at the surface. Its electric properties are the same as a point charge located at its center. How would the gravatational force and electrical force compare foor an ...
Thursday, April 7, 2011 at 11:03am by Rafaela
Chemistry
I'm totally lost! Help please!: Determine the energy gained when converting 500.0 grams of steam at 100.0 degrees C to 120 degrees C.
Saturday, October 6, 2007 at 10:12pm by Alyssa
Physics-Please help!
I don't want someone to do this for me-I'm just totally lost and don't even know where to start-I'm totally lost on this one- the earth is surrounded by an electric field with a strenth of 100 N/C at the surface. Its electric properties are the same as a point ...
Thursday, April 7, 2011 at 3:31pm by Rafaela
College Chemistry-Please help me
I need to find the ionic equation of: 3Ba(OH)2(aq)+2H3PO4(aq)->Ba3(PO4)2+6H20(l) I'm totally lost on this question
Monday, October 4, 2010 at 1:36am by KELLY
math
how to find the LCD for 11x/yz^2, 8x/y^2z? I know the answer is yz^2 but how do you get that. can you plzz plzz explain..... this it is really important..... thnx ...... a lot..
Monday, July 6, 2009 at 7:06pm by gagan
human services
I am totally lost!!!
Thursday, March 4, 2010 at 10:36pm by sally
Algebra 1
Help me work these right please, I'm totally lost?
Sunday, June 20, 2010 at 10:16pm by Sam R.
college chemistry
I need to know how to calculate the value of the equilibrium constant for the reaction of zinc metal in a solution of silver nitrate at 25 degrees c. I am totally lost and do not even know if I have all the data I need. Help!
Saturday, November 28, 2009 at 3:06am by angela
chemistry
Ned to know the similarities between the numbers 1,4,6,8,9,10,12,14,15,16,27,39,49,56,57,58,70 the question was these numbers are or are not something??? I'm totally lost.
Monday, November 9, 2009 at 7:40pm by Ryan
Math-New Questions
oooooh i totally got lost on this....
Tuesday, July 26, 2011 at 5:08pm by Jen
week 7 math 116 checkpoint
totally lost need help
Saturday, April 16, 2011 at 1:12am by Gracie
Math 115 Ch 8
have no idea..i am totally lost
Saturday, December 6, 2008 at 12:32pm by Debbie
help plzz
can some 1 help wit my synonym question plz
Sunday, March 7, 2010 at 10:27pm by beonca
College math
(-30a^14b^8/10a^17b^-2)totally lost on me??
Saturday, September 29, 2012 at 9:30pm by Angela
Calculus
Integrate dx/xlnx. What method am I supposed to use? I'm totally lost.
Monday, January 2, 2012 at 8:10pm by W
books
i couldn't find the answer can u give me the answers pleaseeeee i'm totally lost
Thursday, December 15, 2011 at 6:28pm by nancy
computer science
i dnt have anything. im totally lost
Wednesday, March 10, 2010 at 6:41pm by jay
Chemistry
how mant moles are in 1.30g of (NH4)2SO4? answer in units of mol. today our teacher briefly went over this and doing my homework i totally lost it. and cant remember for the life of me what to do could you please help me and show me step by step what to do. thanks
Wednesday, March 18, 2009 at 9:06pm by Leona
ALG@ NEED HELP PLEASE
Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. I am totally lost still I read and read and the concept is lost in my head. Can someone please help me? I know there is more than one way to Factor this.
Thursday, March 1, 2012 at 3:15am by KAYG
Programming
Hi. I am taking a computer programming class (C++). I need some help on some programs. I tried going to my teacher - he was of no help and there are no tutors. I have a lot of code, but I'm having problems. I looked online for help, but they're using different methods ...
Monday, May 21, 2007 at 5:38pm by Jay
statistics
That is even more confusing. I am totally lost on this problem. I know that I have to multiply the three possibilities, so (7/20)(7/20)(13/20) three times (same numbers, different order) and I get 0.07963. I thought I would add those three numbers or essentially multiply that ...
Sunday, May 11, 2008 at 8:42pm by Christine
algebra
plz help I'm totally lost on this one I do not even know where to begin any help would be greatly appreciated.
Sunday, July 24, 2011 at 9:53pm by ROCKY
Algebra Recursive sequence help
I need some help as I'm totally lost! I need to find the first five terms of each recursive sequence. The n-1 on the problem shows it below the a. 1. A1=3 An=2a n-1- 3 2. C1=64, C2=32 Cn= Cn-2 - Cn-1/2
Sunday, March 31, 2013 at 7:56pm by Kris
GROWTHandDECAY
Thanks anyway I have been at this for 6 hours I found someone to help me understand. I appreciate your kindness.
Tuesday, March 13, 2012 at 4:09am by TOTALLY lost
math again
This is a King Henry Died By Drinking Chocolate Milk,Table.I am totally lost in this.
Wednesday, September 16, 2009 at 8:38pm by Cheyenne
management
I have ths secton to, I just don't know where to start. My learning teams, needs it tonite. And I am totally lost.
Thursday, September 30, 2010 at 9:59pm by jess
algebra
im totally lost with my homework this is all gibberish to me. What are the coordinates of the vertex of the graph of the quadratic function y= -x^2 -1? A.(0,-1) B.(0,2) C.(-1,-1) D.(-1,0)
Wednesday, May 21, 2008 at 7:30pm by Brandy
Mathematics
(2x)^2(3x)^3=3.548E82 How do I even do this type of math problem am just totally lost here????
Wednesday, February 27, 2008 at 4:20pm by Josh
Science
I need help with a poster for radon and i need some ideas i cant think of anything. If u can can somebody help me. It's due by March 12, 2012. And plzz if can u give me some ideas. Thx. =)
Thursday, March 8, 2012 at 6:30pm by Portia
math
Graph the function f(x)=6-1/(x+4)^2 using transformations. State: a.the domain b.the range c.the asymptotes i do not get this at all, i am totally lost! please help!!!
Monday, April 15, 2013 at 10:00am by jenny
math
I'm totally lost and I didn't want to continue posting under my name tootie. Thinking that I wouldn't get the help since I had too many posts
Sunday, February 20, 2011 at 3:05pm by Liam
Chemistry
Your plight reminds me of this old proverb: "For Want of a Nail For want of a nail the shoe was lost. For want of a shoe the horse was lost. For want of a horse the rider was lost. For want of a rider the message was lost. For want of a message the battle was lost. For ...
Saturday, April 7, 2012 at 6:01pm by Ms. Sue
algebra
Verify that the functions f and g are inverses of each other by showing f(g(x)) = x and g(f(x)) = x f(x) = x^3 + 5 g(x) = 3sqrtx-5 ( 3 is inside check mark on the sqrt. I am sooo totally lost on these!
Sunday, December 18, 2011 at 12:45am by Alissa
math
how do i put fractions in order from least to greatest? it's on my homework and i am totally lost. i forgot because i learned this like 2-3 years ago. please help me!
Tuesday, April 13, 2010 at 3:56pm by taylor
physics
A sample of charcoal from an archaeological site contains 55 g of carbon and decays at a rate of .877 Bq. How old is it? ok I am totally lost, I don't know where to start
Monday, May 5, 2008 at 9:13pm by J
Physics
A sample of charcoal from an archaeological site contains 55 g of carbon and decays at a rate of .877 Bq. How old is it? ok I am totally lost, I don't know where to start
Monday, May 5, 2008 at 5:23pm by J
Need some clarification...... plzz
I am having a bit of trouble answering this question.... DO you mind giving a brief explanation of what it means and, if possible, some hints on possible answers? In what ways did the indigenous societies and the revolution in Haiti overcome or challenge colonial rule?
Saturday, October 18, 2008 at 7:55pm by Martha
Chemistry
plzz reply
Monday, November 19, 2012 at 10:56pm by Dr Bob plzzz help
algebra
10-5=3y 2x-3y=1 i am totally lost help please
Sunday, October 26, 2008 at 6:00pm by Danny
MAT 116 Week 7 quiz
need help with week 7 checkpoint. totally lost
Sunday, January 10, 2010 at 11:38am by Gracie
Algebra 2
I am totally lost! (3x^4--8x^2 -3x-3) / (x^2-3)
Tuesday, March 1, 2011 at 12:23am by Paige
HELP PLEASE!!
can someone please help me on this im totally lost.
Monday, April 21, 2008 at 7:58pm by Joey
HELP PLEASE!!
can someone please help me on this im totally lost.
Monday, April 21, 2008 at 7:58pm by Joey
Chemistry
Is heat lost in heating water and ice? No. Entropy is lost, but heat energy is not lost.
Sunday, December 3, 2006 at 4:28pm by Lisa
Chemistry
Uhmmm.. I am totally lost! Help? There are 7.0 x 10^6 red blood cells in 1.0 mm^3 of blood. How many red blood cells are in 1 L of blood?
Saturday, October 6, 2012 at 11:27am by Kayla
u.s.history
I would like to know how would I start this assignment I am totally lost I have know ideas on how to begin this help please
Wednesday, June 1, 2011 at 6:50pm by jellybeam
GROWTHandDECAY
Can someone give me a growth and decay word problem solve it and explain how you arrive at the final answer in a way I understand it. Thanks ahead of time.
Tuesday, March 13, 2012 at 4:09am by TOTALLY lost
11th grade Physics
An open pipe 0.40m in length is placed vertically in a cylindrical bucket having a bottom area of 0.10 m^2. Water is poured into the bucket until a sounding tuning fork of frequency 440 Hz, placed over the pipe, produces resonance. Find the mass of water in the bucket at this ...
Tuesday, November 2, 2010 at 3:19pm by Garry
Teacher Aide; Enhancing Children's Self Esteem
I had a student once in 9th grade algebra class, just totally lost, mainly, for lack of 5th grade math skills. She was failing terribly, just totally lost. I called her dad in, and went over her work, and skllls. He stated to me that he was damned tired of going over this ...
Tuesday, March 12, 2013 at 8:48am by bobpursley
algebra
like i said, im totally lost. i can graph the numbers, i just need the numbers, and i cant figure it out :/
Thursday, September 29, 2011 at 1:15pm by Anonymous
Math 116 A
7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am totally lost!!!!!!!!
Thursday, September 22, 2011 at 4:02pm by katie
Math 116a
7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am totally lost!!!!!!!!
Thursday, September 22, 2011 at 2:38pm by katie
Chemistry
Consider the molecular level representation of a gas There are: (a picture) 6 blue dots 5 orange dots 3 green dots (i think they are the diatomic one, because it is pairs) If the partial pressure of the diatomic gas is .750, what is the total temperature? I am totally lost, ...
Sunday, December 9, 2012 at 11:39am by Angela
math
the function f is defined: f(x)= x+3 if -2<=x<1 9 if x=1 -x+2 if x>1 a. find the domain b. locate the intercepts I am totally lost, can someone please help me with this?
Tuesday, March 26, 2013 at 9:56pm by mercedes
science
i have to make a model on global warming(a 3d model)can u plzz...give some ideas.
Friday, June 13, 2008 at 1:59am by shweta
Fin 200 Intro to Finance
I have to make a statement of cash flow for the Crosby Corp from our week 1 assignment but I am totally lost, i just don't understand how to accomplish this.
Saturday, May 22, 2010 at 8:25am by Belle
statistics
Lost Luggage in Airlines Transportation officials reported that 8.25 out of every 1000 airline passengers lost luggage during their travels last year. If we randomly select 400 airline passengers, what is the probability that 5 lost some luggage?
Saturday, March 31, 2012 at 4:42am by lela
algebra
Will you please check this and make sure that I am right? 26. 5>-3x+4 or 9< equal to -3x+2 this would be (-infinate,-7/3] & (-1/3,infinante)
Tuesday, October 6, 2009 at 1:53pm by Totally lost
Algebra
Help please-I'm totally lost- How would I simplify (2x^5 y^4 z^3/x^-1 y^5 z^5)^-1 Thank you for any help you can give me-I'm so stuck for my homeworkk tonight. I know I can bring up the negatives to top and negative to bottom to make them positive but besides that-I ...
Monday, November 14, 2011 at 8:16pm by Mattie
Algebra
Help please-I'm totally lost- How would I simplify (2x^5 y^4 z^3/x^-1 y^5 z^5)^-1 Thank you for any help you can give me-I'm so stuck for my homeowrk tonight. I know I can bring up the negatives to top and negative to bottom to make them positive but besides that-I don...
Monday, November 14, 2011 at 5:33pm by Mattie
chemistry
It will cool during filtration and some of the solute probably will be lost.
Friday, September 21, 2012 at 6:01pm by DrBob222
chemistry 101
Some of the water gained heat. The calorimeter gained heat. Some of the water lost heat. heat gained + heat lost = 0 I would calculate heat lost by water, subtract heat gained by water. The difference is the heat gained by the calorimeter. heat gained = mass water x specific ...
Tuesday, March 9, 2010 at 11:29am by DrBob222
math
can someone plzz tell me whichone is true. just but down the number when u answer back plzz & thank you 1. 14+(-25)> -50= 2. 20*10^3 3. 3/4 + 3/4> 1 4. 6^2=2^6 5. -21-(-39)=60 6. 19 7. 11*11*11 = 33^3 8. 38<7^2-(-20) 9.-5=20+(-25) PLEASE HELP ME!!!!
Thursday, February 24, 2011 at 8:07pm by tatiana
biology
okay im totally lost here, the question i need to answer is explain why codons can't consist of two bases instead of three for each amino acid. im so confused..help!
Sunday, January 6, 2008 at 12:34pm by Kaitlyn
Algebra 2
Hey I am working on math homework that involves "Standard Form to Vertex Form by Averaging." My class is just starting to learn this today, but I am totally lost still on what to do. Can you please help? The formula for this is y=a(x - h)^2 + k the h is the x-value ...
Monday, February 8, 2010 at 11:41pm by Tessa
plzz help me
a 140 pund student burns 5.4 calories per minute while playing tennis .after 60 minutes how many calories has the student burned?? also sam drives at a constant rate of 60 miles per hour . how many hours will it take him to drive 210 miles? express your answer as a mixed ...
Thursday, September 25, 2008 at 11:48pm by bamawam
organic cehmistry
I am totally lost on the subject of Fischer projection. I have no clue on where to begin solving : (S) 3-chloro-1-penten-4-yne http://www.mhhe.com/physsci/chemistry/carey/student/olc/ch07projections.html
Saturday, April 7, 2007 at 2:53pm by Becky
Physics
after getting vf, you need to calculate the KE of the putty/block, and set that equal to the compressed energy in the spring 1/2 k x^2, and solve for x. I think you need a tutor, you appear to be totally lost.
Thursday, April 29, 2010 at 8:27pm by bobpursley
physics
Well to be perfectly honest, i just started taking physics so im only up to the level where to me d=d and not rate x time....i am totally lost at what u did, but its ok, thanks for your help anyway, i think i understand a bit more now.
Thursday, July 17, 2008 at 10:35pm by anonymous
Algebra
|3a 2z 5m| |2k 5 6| I am trying this one but am totally lost. You gave the answer to one earlier. If I am in need of the value of the variables z Is this answer z=2
Thursday, December 17, 2009 at 1:51pm by mike
Chemistry
Suppose a piece of lead with a mass of 14.9g at a temperature of 92.5 degrees C is dropped into an insulated container of water. The mass of water is 165g and its temperature before adding the lead is 20.0 degrees C. What is the final temperature of the system. Following an ...
Monday, October 8, 2007 at 9:02pm by Lucy
plzz help me
2. As you read The Cay, you will learn about people and their prejudices. as you read the cay Why do you think there would be feelings of hostility toward those of other races in Curacao? 3. Name 6 natural resources in Curacao. 4What is the capital of Curacao? Describe where ...
Friday, January 18, 2013 at 2:51pm by peace
Communication Language Studies
Supply rhyme (Given a word "fish", offering "dish") Totally confused, may be it is just me, but I am not understanding what is asked for here? A rhyme? If so, referring to those words? If so, I am stil lost Please help. Thanks!
Saturday, March 20, 2010 at 12:42pm by Audrey
chemistry
I am totally lost on this one. 1,2,2-trimethylcyclopentane I think I have to draw the cyclopentane shape with the single bond going straight CH3 and I am lost from there. Draw the cyclopentane as a 5-cornered box. C-C |  | C  C  \  /  &...
Thursday, March 29, 2007 at 11:34pm by Kellie
Chemistry
Each Rolaid tablet contains 550mg of calcium carbonate and 110mg of magnesium hydroxide. Kroger Extra Strength antacid tablets contain 750mg of calcium carbonate per tablet. What is the neutralizing ability per gram for each tablet? Your answer should be in units of mol/g. I&#...
Monday, March 15, 2010 at 5:50pm by Anonymous
Physics
Okay, relevant equations: v(subscript)t=g/k or k=g/v(subscript)t My attempt at the soloution, honestly, I have no clue, me and a friend have attempted this question and we still cannot figure it out. Please help me, I am totally lost.
Monday, June 1, 2009 at 5:29pm by Sydney
geometry
I totally don't understand Vectors How do you describe a vector as an ordered pair? on the x and Y where they cross it is 41 degrees and goes to the left up to the y 77 I am totally confused Help
Thursday, December 15, 2011 at 12:29pm by Cindy
Physics
How much torque is applied to a bicycle wheel whose radius is 0.40 m in order to accelerate the 15 kg bike and 78 kg rider at a rate of 3.4 m/s^2? I'm totally lost on this one. Which equation do I need to use?
Tuesday, January 8, 2008 at 9:11pm by Lindsay
statistics
this is to mathmate...this is jimmy and you answered by questions on random sample and probability (better business bureau question)..i greatly appreciate your help but i do not understand part b and d answers..i am totally lost on this whole question
Sunday, July 22, 2012 at 6:12pm by jimmy
socials World War 2
Britan was totally dependent on supply form the US, and all that had to go across the Atlantic. So if control of the Atlantic went to Germany, the war was lost for the allies.
Tuesday, November 15, 2011 at 7:42pm by bobpursley
ethic
I am having trouble understanding what health care administrative sensitivity is. I read the in conjunction with the question, but I am lost...totally. the test book we are using is health care ethics, principles and problems
Monday, June 6, 2011 at 7:16pm by dot
Algebra II
Please help-I'm totally lost- What is the equation of the ellipse with foci(-10,0), (10,0) and co-vertices (0,-3),(0,3) x^2/109 + y^2/9 = 1 X62/100 + y^2/9 = 1 Please show me the steps because I have others to do and I'm really stuck
Monday, March 28, 2011 at 11:54am by Shiela
Physics: Angular Width. Why is my answer wrong?
Well, that was a step my teacher did so I just followed it. However, .00082 degrees is not the correct answer either (or the variant of 8.2e-4). So I am just totally lost on this one. :/
Friday, November 12, 2010 at 10:36am by Sar
business
Hi all,, so am taking strategic management now and our Dr gave us same case and same questions apparently,, any of you happens to still have or remember the answers? Am totally lost with the "concerned commodity" question
Sunday, September 26, 2010 at 5:47pm by Nina
pre calculus
Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane. F(x)= ln(8-x) I am totally lost, somebody please help????
Wednesday, April 24, 2013 at 10:36pm by trish
Math(Please help)
You lost me totally d/dx (a * b) = a db/dx + b da/dx f= (2x-1)^-2 * (x+3)^4 f' = [(2x-1)^-2][4(x+3)^3] + (x+3)^4 (-2(2x-1)^-3 (2)] at x = 1 f' = [(2-1)^-2][4(4)^3] + (4)^4 (-2(1)^-3 (2)] which is f' = [1][4^4] + (4)^4 (1/4] or 4^4+4^3 = 4^3(5)= 320 check my ...
Saturday, April 30, 2011 at 3:49pm by Damon
HCA 220
I need help with an assignment that is due today and I am totally lost. All I need is for someone to point me in the right direction. For example, The approach is body planes and directions; what is the approach and how might the approach be used. Thanks!
Sunday, March 30, 2008 at 12:19pm by CD
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