Questions Asked on
January 31, 2008

math
Replace each letter with a number to make the problem correct. Identicle letters are placed with identicle numbers. PARTS x 4 = STRAP
asked by Dylan 
science
iron (III) oxide is formed when iron combines with oxygen in the air. how many grams of Fe2O3 are formed when 16.7g of Fe reacts completely with oxygen? 4Fe(s) + 3O2(grams) => 2Fe2O3(s)
asked by cambell 
Chemistry
Liquid Butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 39.3g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas? The heat of vaporization of butane is 21.3 kJ/mol.
asked by Lauren 
math
Simplify the expression (x to the fourth power times x cubed)squared/x to the 4. a)x b)x to the fifth c)x to the tenth d)x to the 20 I kind of confused. I tried to divide by 4, but i couldn't get anything. I need help?
asked by robert 
Calculus
L'Hospital's Rule Lim(lnx)^(x1) x>1+ This is what I did so far... Form: 0^0 ln(lnx)/ (1/x1)  I am not sure if you could use L'Hospital Rule (as stated in the instruction)for the 2 problems below: lim
asked by Anonymous 
Chemistry
Thermal Decomposition What is the ratio of moles of CuO produced per moles of malachite decomposed? I have 0.004522431/0.01257071 but am not that confident that I am going the right direction. Can any one tell me if I am going in the right direction or do
asked by Sara 
Physics
Two charges 10uC (point A) and 10uC (point B) are placed 10cm from each other. Find the electric field at a point P perpendicular bisector of AB at a distance 12cm from the middle. Can someone get me started on this one? I'd appreciate any help. Thanks
asked by Riley 
Chemistry
How many liters of O2 are needed to react completely with 45L of H2S at STP? 2H2S(g) + 3O2(g) > 2SO2(g) + 2H2O(g)
asked by Anonymous 
SRAjMcGin
19. (A) The wealthiest he is, the most selfish he is. (B) Wealthiest he is, most selfish he is. (C) Wealthier he is, more selfish he is. (D) The wealthier he is, the more selfish he is. 20. (A) Social workers used to taking care of old people. (B) Social
asked by mktintin 
Economics
What is the formula for CPI consumer price index? and how it is use to calculate prices?
asked by Tim 
economics
how to calculate the cpi for a given market basket, with given year and prices?
asked by Tim 
chemistry
when iron rusts in air, iron(III) oxide is produced. how many moles react with 2.4 iron in the rusting reaction? 4Fe(s) + 3O2(g) => 2Fe2O3(s)
asked by Laura 
chemistry
aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be formed if 250g H2SO4 reacted with aluminum?
asked by max 
chem
how many liters of chlorine gas can be produced when .98L of HCl react with excess O at STP? 4HCl(g) + O2(g) => 2Cl(g) + 2H2O(g)
asked by Lotherio 
Chemistry
Is there someone out there that can tell me if I answered this right or if I need to study some more? Thanks What is it that makes water such a good solvent for polar substances? Why is it called the universal solvent? Water is such a good solvent for
asked by Bethany 
american literature
What does Walt Whitman mean honeyed morphine on line 27 of the poem myself
asked by sue 
sci
what are the types of renewable energy alternative? what are some challenges with using and managing these alternative, renewable energy resources?
asked by stacey 
math
how many fluid ounces are there in 2 gallons of milk? a)256 b)128 c)64 d)8 I think the answer is a. Is it right?
asked by robert 
math
35 minutes = _____ hours (fraction) is the answer 1 5/12
asked by Janae 
Stiochiometry
Carbon dioxide is released into the air from the combustion of octane (C8H18). How much octane will you need to get 5.00 moles of carbon dioxide? What is the mass of the octane?
asked by Chelsea 
math
ARE KELVIN TEMPERATURES EVER POSITIVE WHEN CELSIUS TEMPERATURE ARE NEGATIVE? IF SO FOR WICH CESIUS TEMPERATURE? IF THIS NEVER HAPPENS,EXPLAIN HOW YOU KNOW
asked by jared 
math
if a stereo original cprice was 20.80 and it is now 13.75 what percent is the discount?
asked by Ebony 
english
analogy brother mother fly ?
asked by jess 
HHS 235
What is the difference between transactional leadership and transformational leadership?
asked by Patricia 
chemostry
How do I convert 0.058 M to mL? The answer is 3.34 mL. How do I get that? the molecular weight is 60 g/mol and the density is 1.049 g/mL Note: M is molarity(moles/Liter)
asked by stew 
biology
cross a homozygous running, homozgous black mouse with a heterozgous running brown mouse.
asked by Anonymous 
chemistry
in 2CO(grams) + O2(grams) => 2CO2(grams), what is the ratio of moles of oxygen used to moles of CO2?
asked by cam 
Chemistry
A gas initially at 20C must be changed to ? C to triple the pressure.
asked by nate 
chem
The total pressure in a flask containing air and ethanol at 257C is 845 mm Hg. If the pressure of the air in the flask is 762 mm Hg, the vapor pressure of ethanol is ? mm Hg.
asked by matt 
chemistry
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 400C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at
asked by tim 
AP CHEMISTRY
how do i calculate theoretical yield?
asked by Sean 
Chemistry
When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to 8.000 x 10^3 K. According to the Clausius Clapeyron equation, Hvap is ? KJ/mol
asked by Kevin 
International Child Labor
I need links and examples of international child labor for this mini essay. The country has to be third world or a developing country. I do not want Western Europe, Canada, Australia/New Zeland, or Japan because of course they are very advance.
asked by thai 
orientation
Who said, "Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that."
asked by ss 
orientation
Snead Students have access to more EBooks than physical books at the Resource Center.
asked by ss 
orientation
Most of the pure Meth made and brought to the U.S. is made in
asked by ss 
english
When a boy becomes a teenager, he often wants to show his independence. What is the personal pronoun and antecedent in this sentence?
asked by Jessica 
orientation
Who said, " The Mind Once Stretched by a New Idea will Never Return to its Original Dimension."
asked by ss 
AP Chem
which would be the limiting reagent in the reaction: 2H2(g) + O2(g) => 2H2O(g) 1. 50 molecules of H2 or 2. 50 molecules of O2
asked by gus 
orientation
T/F In the Cultural Diversity Presentation, Mark Twains quote implied that in order for us to not be so narrowminded we must travel outside our usual boundaries.
asked by ss 
Chemistry
A 35.8f sample of cadminum metal was melted by an electric heater 4.66 J/s of heat. If it took 6.92 min from the time the metal began to melt until it was completely melted, what is the heat of fusion per mole of cadminum?
asked by Lauren 
Chemistry
Write the structure for the alkane: molecular mass = 72 u; forms four monochlorination products. Well since its 72u and its an alkane, I figured out that the formula is C5H12. But what does it mean that it "forms 4 monochlorination products"?
asked by Raj 
Business Studies
I NEED TO MAKE A PROJECT ON BUSINESS STUDIES BUT I AM UNABLE TO DECIDE AS TO WHAT TOPIC I SHOULD CHOOSE AND WHERE DO I GET THE REQUIRED INFORMATION(SITE)
asked by Bipsi 
math
Factor (15a squared bc squared 9a squared b to the fourth c) by finding the gcf. I think the answer is 3abc(5ac3ab3). I got it because I found the gcf of the coefficents which are 3. I subtracted one from each exponent so, i canceled b from 15a squared
asked by robert 
Chem
For the autoionisation of water, it looks like 2H2O(l)> H3O+(aq) + OH–(aq) I thought that becuase it is going from liquid to ions, wouldnt the Entropy be greater than 0? However, I have been told and I have calculated the opposite, that entropy is less
asked by Supaman 
math
A figure is transformed into a new figure by being rotated 180 degrees, translated left 6 units, and dilated by a factor of 4. How are the old and new figures related? a)both congruent and similar b)congruent but not similar c)similar but not congruent
asked by robert 
To mktintin
Please note that several of the Jiskha teachers can read French. :)
asked by Ms. Sue 
science
what happens when a candle is alight?
asked by ella 
AP CHEM
hwo do i calculate theoretical yield?
asked by Sean 
research paper
I am writing a research paper. The corrlation between interest rates and credit card usage. I cant find many websites on this do you know of any?
asked by Kate 
math
Given f(x) = x2 + 3x – 3, find f(0).
asked by Brenda 
hypatia of alexandria
I'm doing a report on Hypatia of Alexandria (just in case you don't know her, she's the first ever known female mathematician), and I need at least one humorous or bizarre fact about her, but I can't find one (I only found one about mathematicians back
asked by Emily 
math
can someone check and see if i did this right An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid? 100=128/800*100 128/800=6.25 6.25*100=625
asked by jj 
electricity
which of the following frenquencies falls in the range of RF waves used by commercial radio broadcasting stations
asked by tran 
math
doesnt () make the numbder postive like (10)=10 and (7)=7 that's right
asked by jj 
Math
Eight people are put into pairs and enter a room with a large table with four pairs of chairs (2 chairs and a lot of space then 2 more chairs and a lot of space and so on) Though they could sit anywhere they had to sit with there assigned partner. In How
asked by Elizabeth 
Math
I need help solving this logarithmic function: x = log3(4^3).
asked by Danielle 
chemistry
if 8.6L of H2 reacted with 4.3L of O2 at STP, what is the volume of gaseous water collected (assuming none of it condenses)? 2H2(g) + O2(g) => 2H2O(g)
asked by Theordore 
chemistry
how many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7gFe? Fe2O3(s) + 3CO(g) => 3CO2(g) + 2Fe(s)
asked by Theodore 
math
how do I find the slope of (0,5)(5,0) any help would be great.
asked by carly 
math help
can someone show me how to find the slope of this one too (5,3)(5,3) thanks so much
asked by carly 
Science
What is the only continent that traces of ancient human life have not been found?
asked by Rachel 
math
Find the slope and yintercept.2x + 3y = 21
asked by amy 
Economics
A firm and a worker interact as follows. First, the firm can make 2 contract offers (wage, jobtype): (w, z=0) and (w, z=1) where z=0 denotes the "safe" job and z=1 denotes the "risky job. After observing the firm's contract offer(w,z) the worker accepts or
asked by Myolie 
Chemistry
Liquid Butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 39.3g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas? The heat of vaporization of butane is 21.3 kJ/mol.
asked by Lauren 
Chemistry
for the reaction 2Na(s) + Cl2(g) > 2NaCl(s), how many grams of NaCl could be produced from 103g of Na and 13L of Cl2 (at STP)
asked by Sal 
caculator
how do you do "choose" on ti83 calculators? like 5 choose 4
asked by chris 
economics
what is studied in microeconomies?
asked by ashli 
algebrA
ln(x+1)2ln(x+2) Ive finished all of this wksht except for this question...help please
asked by Anonymous 
Com 135
Read the following scenario: As a customer service manager for a local software development company, you want to create a user manual for one of the software applications your company develops. The purpose of the manual is to support your customers in
asked by Dawn 
science/law of conversation of mass
is the law of conversation of mass a reason why actual yield is less than theoretical yield?
asked by francine 
science
when sedimentary rock is buried it may change into metamorphic rock. describe two causesof this change.
asked by leah 
chemistry
HOW CAN YOU TELL JUST BY LOOKING, IF A MIXTURE IS MOST LIKELY HOMOGENEOUS OR HETEROGENEOUS?
asked by MAS 
science
i need 5 sentences on explaining the different types of symbiotic relationships that we see with the farmer ants, the leaves, and the fungus.
asked by cindy 
chemistry
couple theory questions i don't quite understand... What is vapor pressure ad why does it change with temperature? and... The assumption was made that slight changes in the depth under the surface of the water will not significantly change total pressure
asked by alicia 
management of Information Systems
Create a table that list the strengths and challenges of traditional systems development life cycle, prototyping, rapid application development, and end user system development life cycle."
asked by Shawn 
chemistry
what are the reasons why the Cu(II) solution has to be titrated immediately after addition of KI?
asked by irma 
Chemistry
For the autoionisation of water, it looks like 2H2O(l)> H3O+(aq) + OH–(aq) I thought that becuase it is going from liquid to ions, wouldnt the Entropy be greater than 0? However, I have been told and I have calculated the opposite, that entropy is less
asked by Supaman 
social studies
what is the area of the shang dynasty!!
asked by favi 
fornt class
what are the steps of the registration process form the viewpoint of front desk agent?
asked by kevin 
math
to convert from F to C we use this formula. (c)=(f32)*5/9 using this formula,convert 85 F to celsius rounded to the tenth place
asked by paris 
SraJMcGin
bonjour je suis étudiant français et j'aurais besoin de votre aide. C'est pour un questionnaire et je n'ai pas de correction. Pourriez vous me donner les vraies réponses quand vous aurez du temps libre svp. c'est à partir de la page 7. Cordialement,
asked by mktintin 
SraJMcGin
14. “pattern” (line 21) means: (A) design (B) formula (C) link (D) obligation 15. “focus on” (line 35) means: (A) concentrate one’s attention on (B) study the behaviour of (C) supervise the activities of (D) impose living conditions on 16.
asked by mktintin 
SraJMcGin
24. (A) Old people need looking after more than children. (B) Old people need to be looking after more than children. (C) Old people needs be looked after more than children. (D) Old people need being looking after more than children. 25. (A) He has lived
asked by mktintin 
SraJMcGin
28. China is overpopulated, …. is worrying. (A) that which (B) what (C) how (D) which 29. Italy is …. considered as a familyoriented country. (A) not longer (B) no longer (C) not more (D) no any more 30. Most countries …. find new solutions. (A) are
asked by mktintin 
SraJMcGin
36. …. he lives in a cold, illequipped house, he refuses to move. (A) In spite (B) Although (C) Despite (D) Whereas 37. It is too difficult …. live alone. (A) to them to (B) to them (C) for them (D) for them to 38. They have two daughters …. refuse
asked by mktintin 
New Nationalism
How did new nationalism respond to industrilization?
asked by Christie 
AP US History
I have and essay on why muckrakers were better than roosevelt thought. i have examples of muckrakers. i just need to find out what legislation or action their works promoted. Here is the list of muckrakers... Lincoln Steffens Ida Tarbell Ray Bakers John
asked by Amanda 
World History
What was the cause of the split between Sunni and Shiite Muslims?
asked by Duane Two Bulls 
Algebra
1.The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=6000/2002x. a.What is the cost to remove 75% of the pollutant? Answer: $30.2 million dollars b.What is the cost to remove 90 % of the pollutant? Answer: $30.27 million
asked by Bretagne 
pets
i wanna try to get my adorable rare chinese dwarf hamster on a bag of pet food or something. everywhere i try to find out stuff its always wut i don't want. could you plz help me. thx in advance!
asked by sammy 
math
sum of two numbers is 42.Their difference is 6.What are the two numbers?
asked by gavin 
inequalities
A homebased company produces both handknitted scarves and sweaters. please help please The scarves take 2 hours of labor to produce, and the sweaters take 14 hours. The labor available is limited to 40 hours per week, and the total production capacity is
asked by Brenda 
algebra
5y+2=2y11
asked by kimbrely 
math
Solve the system by addition. 4x + 6y = 9 8x – 3y = –7
asked by gina 
mktintin
Mon ami, les profs ici sont ici pour AIDER mais pas pour FAIRE les devoirs des étudiants. Nous voulons vous aider mais il faut que vous fassiez un effort d'abord. Mme
asked by SraJMcGin 
physics
The average power dissipated in a stereo speaker is 56 W. Assuming that the speaker can be treated as a 4.0 resistance, find the peak value of the ac voltage applied to the speaker.
asked by ashley 
English
Has anyone read the novel, "A Separate Peace". If so give me a response and I have a question about the novel! Thanks :) Miley
asked by Miley 
Chemistry
Can someone tell me if I am doing this problem right or if I need to start over? Thanks. pH = log [H+] = log (0.10) =1 The pH of 0.10M HCI solution is 1.
asked by Lisa 
?
what does "j/w" mean?
asked by anonymous 
Language Arts
How do I write a GOOD A+ persuasive essay about Iraq and why we shouldnt be there? I need some facts and a topic sentence and a story in the intro with a question. Then in the conclusion a umm call to action and all that. PLEASEE HELP ME! ITS DUE TOMORROW!
asked by Victoria 
University
Will I get a conditional offer to McMaster in the first round? The following is the admission for Commerce I to McMaster: "Grade 12 U/M course requirements: * English U * Advanced Functions 4U * One of: Calculus & Vectors 4U or Mathematics of Data
asked by Anonymous 
chemistry conversion
how do I convert 0.058 M to mL? Note: M is molarity(moles/Liter) also the molecular weight for the equation is 60 g/mol Thank you. It has been a while so I forgot how to do this.
asked by stew 
Chemistry
I cannot find information that gives me a clear answer whether NaBr is an electrolyte or non electrolyte. I have found some information that K2SO4 is an electrolyte, but now I am doubting that. All of my others I have been able to find solid information
asked by Larry 
biochemistry
List 4 different ways in which the function of hemoglobin could be changed by a single amino acid substitution. and i cant think of a single way because this question doesnt elaborate much further... can someone please help?
asked by Jonny 
poetry
For AP Literature, I have to write a 2 page (double spaced) paper analyzing how the painting Nude Descending a Staircase by Marcel Duchamp and the poem of the same name by X. J. Kennedy have a successful connection. What is a good place to start and what
asked by Rebekah 
grammar
can you use the words "you and me" in a sentence.
asked by mea 
algebra 1
The Question Writing Commitee consists of seven volunteers from around the country who are amazingly dedicated to the Mathcounts program. This past weekend, was the last meeting for this particular group of question writers. Before the meeting, they are
asked by Tibby 
math
Boris gets paid an 8% commission on every car he sells. Last week, he made a commission of $1240. What was the price of the car he sold? a)15500 b)15000 c)12500 d)1550 I got answer a by dividing 1240 by .08. Is this right?
asked by robert 
math
Which is equivalent to the expression (a squared + a to the fourth power) to the 0 power? a)0 b)1 c)a to the 6 power d)a to the eigth power I got answer a by adding 2 and 4 and multiplying it by 0. Is this right?
asked by robert 
math
A crated full of sugar cubes has a volume of 3 cubic ft. The volume of each sugar cube is 0.5 cubic inch. How many cubes are in the crate? a)432 b)1728 c)5184 d)10368 I need help with this question.
asked by robert 
math
A figure is transformed into a new figure by being rotated 180 degrees, translated left 6 units, and dilated by a factor of 4. How are the old and new figures related? a)both congruent and similar b)congruent but not similar c)similar but not congruent
asked by robert 
Math
21 3/14 how would I round that to the nearest 1/5inch
asked by Noah 
math
what is the gcf of 8x squared y, 12x to the fourth y to the fourth, and 20x cubed? a)8x squared y b)4x squared y c)8x squared d)4x squared I don't have an answer. The gcf is 4. I think the answer is either b and d. Which one is it?
asked by robert 
math
factor (15a squared bc squared 9a squared b to the fourth c) by finding the gcf I think the answer is either 3abc(5ac  3a cubed) or 3a squared bc(5c  3b cubed) Am i on the right track?
asked by robert 
math
A transversal intersects two parallel lines and forms eight angles. Which of the following statements is false? a)alternative interior angles are always congruent. b)corresponding angles are always congruent. c)adjacent interior angles are always
asked by robert 
math
Travis walked 20 yards north from the swing set to the slid. He then went 30 yards east to get a drink of water. From there he ran 40 yards south to play basketball. Finally, he ran 30 yards west to his bike. How far was hisbike from the swingset? I came
asked by help please 
math
line xy is translated 3 units to the left. if a point on line xy is located at (2,11), where would the equivalent point be on line X and Y prime? a)(2,14) b)(2,8) c)(1,11) d)(5,11) I'm not sure but i think the answer is b or c. am i right?
asked by robert 
math
Patrick has a summer job passing out flyers for a store. Each flyer weighs about 0.55 ounce. If he is given a bundle of flyers that weighs 16.5 lbs, how many flyers must he pass out? a)105 b)300 c)480 d)560 I think the answer is b. Is it right?
asked by robert 
math
need help to solve the following ploblem, and like problems: 5 minutes = _____ hours (what is the fraction) I'm in the 5th grade
asked by Janae 
Chemistry
List 4 different ways in which the function of hemoglobin could be changed by a single amino acid substitution. i have no sweet clue... the question is very vague
asked by Jonny 
chem
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 400C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at
asked by jin 
chem
When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to 8.000 x 10^3 K. According to the Clausius Clapeyron equation, Hvap is ? kJ/mol.
asked by jin 
introduction to psychology
Every morning, as she prepares for her twohour drive to work, Carole gets a headache,identify the stressor in this situation.
asked by Charlene 
english
what is a synonym for the word allusion?
asked by Anonymous 
vocab
Are ther any words that end with the letter WH?
asked by Sonja 
science
what are food webs?
asked by jack brown 
socialstudies
what is a family?
asked by bill carter 
Comp  Citing
I wrote a critique and had to include a works cited page. I didn't use quotes or anything. I just summarized what was said in reading. Where would I cite the book?
asked by Ashlynne 
Chemistry
I am totally confused. Does my answer make sense or do I need to start over? The more I read it the more I doubt my answer. I am also confused when it states Please be specific. Is it looking for a specific number for the temperature and pressure or just
asked by Jamie 
music
Why is PFunk such an important element in the development of funk and hip hop?
asked by Tracy 
pets
i want my hamster to be famous. but i don't know how could you give me some site to sign up or something
asked by kitty 
math 12
i know how to do the majority of these type of questions, but i don't know how to simplify this one all the way.. 8(2x1)^3= 125 i know you could go (2x1)^3= 125/8 (2x1)^3= (5/2)^3 but how can i simplify any further, and yes there is an answer.
asked by Anonymous 
Math
The fourth largest is the Arctic Ocean. If P over 12 (p/12) stands for the approximate area of the Arctic, then what is the approximate area of the Arctic?
asked by Annie 
Chemistry  Equations
I am a student in the ninth grade and I need help with the following problems because I do not understand how to do them. I appreciate your help and thanks once again. 7. in 2CO(grams) + O2(grams) => 2CO2(grams), what is the ratio of moles of oxygen used
asked by Theodore 
Chemistry
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. If the pressure of the air in the flask is 762 mm Hg, the vapor pressure of ethanol is mm Hg.
asked by Vy 
chemistry
A sample of O2 gas is placed in a sealed 1.00 L flask and pressure is measured as temperature is changed. The data are plotted and the slope of the resulting line is equal to 0.00500 atm/K. The line passes through the origin of the graph. There are g of O2
asked by roxanne 
chemistry
A gas initially at 30C must be changed to ? C to triple the pressure.
asked by jessica 
math
line xy is translated 3 units to the left. if a point on line xy is located at (2,11), where would the equivalent point be on line X and Y prime? a)(2,14) b)(2,8) c)(1,11) d)(5,11) I think the answer is c. What I did is move the point 3 units to the left
asked by robert 
history
What was the date texas declared its independence?
asked by BBT104 
math
A transversal intersects two parallel lines and forms eight angles. Which of the following statements is false? a)alternative interior angles are always congruent. b)corresponding angles are always congruent. c)adjacent interior angles are always
asked by robert 
Chemistry
When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to 8.000 x 10^3 K. According to the Clausius Clapeyron equation, Hvap is ? kJ/mol.
asked by Anonymous 
Chemistry  Acid Base Titration
When you complete a acid base titration of NaOH and HCl and how to you find the molarity/concentration of HCl. I used 9 mL of HCl with 50 mL of water. But when solving for concentration, do I use 9 mL or 59 mL (water + HCl)? Also, does the water in the HCl
asked by Steve 
french
what does "Notre Pere Je Vous Salue Marie" mean
asked by ezzy