Sunday
May 1, 2016

# Search: College Chemistry (Hard)

Number of results: 64,708

English
I'll try to learn how to make a clear voice. I'll try to practice making a speech in my room. I'll try to study hard to go abroad. I'll try to study hard to learn in college in the USA. I'll try to study hard to learn linguistics in an American University. I'll try hard to be ...
March 12, 2009 by John

COLLEGE CHEMISTRY HARD
calculate the ph at the equivalence point for the titration of 0.01 M Ch3COOH with 0.1 M NaoH ka= Ch3Cooh 1.8E-5 idek how to do it?
March 28, 2015 by jk

English-Writing
Many students fear the thought of college. It is not only the transition from high school that intimidates them, but large classrooms, two hour seminars, and worse part, the fear of failure is what keeps them from going. Hence either take shorter hours, gap years, or some even...
October 7, 2011 by HM

Computer
Your computer is running very slow. The LED light for the hard drive blinks nearly continually, indicating that the hard drive is spinning even when data is not being saved or read from the hard drive. Based on this scenario, what is probably causing the slowness of the ...
January 10, 2013 by Nikki

College chemistry
The pH of blood is 7.4 and that of saliva is 6.4. what is the difference in pH between these two solutions? How much more Hydronium ion (H3O+) is in the saliva than in the blood. I need a detailed answer with the formulas if you can. I have a hard time with chemestry
April 30, 2013 by Liz

Chemistry
One of the main components of hard water is CaCO3. When hard water evaporates, some of the CaCO3 is left behind as a white mineral deposit. If hard water solution is saturated with calcium carbonate, what volume of the solution has to evaporate to deposite 1.00x10^2 mg of CaCO3
April 24, 2011 by Trista Nigh

college chemistry HARD
a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?
March 28, 2015 by jk

HARD COLLEGE CHEMISTRY
a solution containing 100.0 mL of 0.135 M CH3COOH (ka=1.8E-5) is being titrated with 0.54 M NaOH. calculate the ph: at the equivalence point and 5 mL past the equivalence point. how much is 5 mL past? i do not know how to do it?
March 28, 2015 by jk

college algebra
3y^2+8=0 (3y+2)+(3y-2)=8+0 3y=-8 y=3/8 Radical and Rational Exponent this chapter is hard for me.
May 25, 2010 by JohnJ

English
My father was a hard working man but didn't earn much money. A. Correctly punctuated B. Add a comma after hard C. Close up hard working D. Add a hyphen after hard A
May 5, 2014 by Angela

English
1. She was drying her hair with the hair drier. 2. Dry your body with this big towel. 3. After bath, you need to keep your body dry not to catch a cold. 4. Study hard, and you will get high scores. 5.Practice ping-pong hard, or you will lose the game. 6. Work hard, and you ...
December 19, 2015 by rfvv

college math
I'm getting ready to take an exam and I have a really hard time with application problems. Is there a way to study for them? thanks
June 21, 2009 by jill

question about corrections(what they mean)
ok. so this may be hard to explain and may not be enough info that you understand but ill try. I did a paper and my teacher corrected it and said changes i need to make. here is a clip from the paper of something that she commented on: " Here are some examples. Hard Tack meant...
December 13, 2010 by hannah

Note to physics, chemistry students
Please note the spelling of Physics, and Chemistry. If you are a college student in those courses, and cant spell them, frankly, asking for help here is insulting to your college and you.
October 26, 2008 by bobpursley

English
1. Don't take it too hard. 2. Don't take it so hard. 3. Don't take it too seriously. (Are they all the same? What other expressions can we use instead of #1? Is 'hard' an adverb or an adjective? What is the meaning of 'take' in the sentence?)
June 19, 2009 by John

English
Is "sinecure" used correctly in this sentence: He studied hard throughout college to get a sinecure job.
October 30, 2011 by Kevin

English
1. If I had studied hard, I could have gotten a higher score. 2. If I had studied hard, I could have gotten a better result. 3. If I had studied hard, I could have gotten a good/better grade. 4. If I had studied hard, I could not have gotten a lower score. 5. If I had studied ...
October 3, 2013 by rfvv

College Chemistry
Calculate the electrode potential of a copper half-call containing 0.05M Cu(NO3). E^0 Cu2+/Cu = 0.337 V College Chemistry - DrBob222, Tuesday, April 20, 2010 at 5:19pm E = Eo - (0.0592/n)log[(Cu)/(Cu^+2)] Substitute 2 for n and 0.05 M for Cu^+2 and 0.337 for Eo. Solve. Am I ...
April 20, 2010 by L**

English
Class, answer the questions and add more expressions. 1. What do you do? I am a student. I try to study hard. 2. What does your father do? He is a baker. He bakes bread well. He is a delivery man. He is very strong. 3. What does your mother do? She is a house wife. She cleans ...
March 12, 2009 by John

Chemistry 20
Sorry, the 1st part to those 2 questions are: Hard water contains metal ions, most commonly calcium and magnesium ions. Some moderately hard water is found to contain 200ppm of calcium hydrogen carbonate.
April 30, 2011 by Cheryl

Chemistry
Points in favour: 1.Diffusion helps reduce the pollution of toxic gases. Points against: 1. old stains of ink, tea/coffee, cooked food are hard to remove through diffusion, or just hard to remove ... HELP PLS....V.V.IMPORTANT
May 1, 2013 by Anjana

Math Question
Jane has two tennis serves, a hard serve and a soft serve. Her hard serve is in (a good serve) 50% of the time, and her soft serve is in (good) 75% of the time. If her hard serve is in, she wins 75% of her points. If her soft serve is in, she wins 50% of her points. Since she ...
July 21, 2008 by Jen

English
4. Read the following passage from “The People Could Fly”: The slaves labored in the fields from sunup to sundown. The owner of the slaves callin himself their Master. Say he was a hard lump of clay. A hard, glinty coal. A hard rock pile, wouldn’t be moved. What do these ...
October 8, 2012 by -

Math214
Jane has two tennis serves, a hard serve and a soft serve.Her hard serve is in (a good serve) 50% of the time, and her soft serve is in (good) 75% of the time. If her hard serve is in, she wins 75% of her points. If her soft serve is in, she wins 50% of her points. Since she ...
February 13, 2010 by alicia

math
A computer store sold a total of 300 items last month. The store sold six times as many hard drives as they did CD-ROM drives, and half as many floppy drives as hard drives. Based on this information, how many of each item were sold? A. 30 hard drives, 90 floppy drives, and ...
May 15, 2009 by Emma

Physics
A computer hard drive rotates at 5400 revolutions per minute. Starting from rest, what torque will get the hard drive up to that speed in just 150 revolutions? The moment of inertia of the hard drive is 1.3×10^-2 kg·m^2. I know the answer is 2.2 N.m, but I'm not sure what...
December 5, 2014 by Devon

Chemistry
I saw this sentence,"Most metals are strong and can be hit without breaking because they are HARD." But aren't pure metals soft and weak? Why do we still say they can be hit without breaking because they are hard?
January 24, 2009 by candy

college
YOu come to work on a Monday morning and find that the office computer is not workingt. The system manager tells everyone that the computers hard disk crashed and that all data that were not backed up are lost. What do you do?
June 23, 2010 by Sammy

Chemistry 20
The mass of calcium hydrogen carbonate that would be found in 52.0L of hard water in a bathtub is _______________ g. The amount concentration of calcium hydrogen carbonate in the hard water is __________mmol/L
April 30, 2011 by Cheryl

English
1. If you don't work hard, you will be poor. 2. If you don't work hard, you will become poor. 3. If you don't work hard, you will get poor. 4. Unless you work hard, you will be poor. (Which expressions are commonly used? Can we use all the expressions?)
December 9, 2008 by John

Journalism
Could you please quick revise this? Does the senior/freshman after IU need to be capitalized? Ex: said IU freshman Avery Walts. said IU Freshman Avery Walts. Which one of these is correct? Taking the First Step By:Bryce and Katlyn They call it “the good life.” College is a ...
December 2, 2011 by Bryce

CHEMISTRY SCIENCE
Points in favour: 1.Diffusion helps reduce the pollution of toxic gases. Points against: 1. old stains of ink, tea/coffee, cooked food are hard to remove through diffusion, or just hard to remove ... can u please elaborate on the same topics we are supposed to write it for one...
May 30, 2013 by MALAVIKA

chemistry
Im brenda,n i found its hard copng in chemistry.im dng grd 11,n i wish 2 hv sm1 wo wil hlp m cope.tnx
July 20, 2011 by Brenda nyathikazi

English
1. You should study hard to get into university. 2. You should study hard to go into university. 3. You should study hard to go to university. 4. You should study hard to get to university. 5. You should study hard to enter university. (Are all the same in meaning? Which ones ...
September 4, 2009 by John

English
1. She studied hard, only to fail. 2. She studied hard, but failed. 3. She studied hard, but she failed. (Does #1 mean #2 and #3? Are they all grammatical? Do we have to put a comma before only?)
March 2, 2011 by rfvv

Chemistry
I'm having a hard time getting started studying for my chemistry midterm. i'm kind of overwhelmed. my teacher gave me a brief study guide, but where would be the best place to start? are notecards effective for studying chemistry?
January 12, 2008 by Catie

English
Embed a quotation from an interview that you conducted. " I suggest that you study hard in college, but get a job too. Jobs teach much more than a school ever does." Workman, Tom. Personal Interview. 25 Feb. 2007.
March 30, 2014 by Kassie

Underline the adverb in the sentence He worked hard and won the contest. Should both hard and won be underlined? Thank you
April 15, 2014 by Mom B

Language Arts
Which revision to sentence 3 contains an example of vivid description? 1) Tess turned and faced the podium. 2) She knew that once she walked up to the microphone, she would have to make a statement. 3) She thought a moment. A. She thought hard for a moment B. Tess closed her ...
September 16, 2014 by Gwen

College Help
I'm going to college this September, and would like to know of any good web sites for beginning college students.
July 28, 2008 by Sally

misc.
if something says your pursuing a college degree does that mean your in college are are planning in the future to go to college?
May 27, 2011 by Sara

spelling
Please could someone tell me to how to spell 'hard-waring', the dictionary doesn't list it. Is it hard wearing, hardwaring. Thanks in advance.
December 13, 2008 by leanne

english
Which is correct? If you do it correctly, it is hard. OR If you do it right, it is hard.
March 12, 2009 by Beth

1. Identify the sentence that contains the correct form ( the contraction or the possessive word). a. As the saying goes, "Its hard to say goodbye." b. As the saying goes, "It's hard to say goodbye." c. As the saying goes, "Its' hard to say goodbye." d. As the saying goes, "I'...
April 2, 2011 by Shauny

English hard crossward
ok my teacher gave us a crossword puzzle to do she said i was so hard that we can ask anyone for help and use the internet to look up the answers if you want to help please reply.
December 6, 2007 by Mike

statistics
At a small college it is known from previous years that 35% of all college freshman start in college algebra. The new freshman class has 100 students in it, What is the probability that between 35 and 42 freshman will start in college algebra? Is it reasonable to approximate ...
March 23, 2012 by lola

persuasive essay!!
Is it better to go to college and be successful or open your own business without a college degree? Need help writing thesis. What are some benefits of going to college rather than not going to college and opening your own business
March 24, 2008 by Taniya

education
sand, rocking chairs, animals, and strap swings are examoles of a__ environment. a) static b) soft c) creative d) hard. would the answer be d) hard
March 19, 2013 by sahar

Statistics
What percentage of college students are attending a college in the state where they grew up? Let p be the proportion of college students from the same state as that in which the college resides. If no preliminary study is made to estimate p, how large a sample is needed to be ...
August 1, 2012 by Anonymous

Form a polynomial f(x) with real coefficients having the given degree and zeros. degrees 5; zeros 1; -i; 7+i please show all work. I am having a hard time understanding this.
November 20, 2012 by Heather

Ecosystems
how weathering releases phospahte from rock? i really don't know, any sites i could go on to to get the answer? no wikipedia, or hard ones. english aint my language so hard words i wont be able to understand.
July 5, 2010 by Sherrie

Chemistry
How could hard water decrease the efficiency of your kettle?
August 18, 2010 by christine

chemistry
is water hard or soft if it contains 1.8 moles
November 27, 2012 by Anonymous

Chemistry
Hard water contains Ca ,Mg ,Fe and , which interfere with the action of soap and leave an insoluble coating on the insides of containers and pipes when heated. Water softeners replace these ions with Na. If 1100. of hard water contains 0.021 M of Ca and 0.0060 M of Mg , how ...
September 27, 2011 by Brennan

Choosing High School Courses
I want to major in something English or History related, probably Secondary Education, International Studies, or Journalism. I am currently enrolled in chemistry and I am doing horribly. Would colleges rather see me take chemistry and get a bad grade, or would they prefer me ...
February 23, 2009 by Corinne

Math
Sagal works as a DJ at a local radio station.On occasion, she chooses some of the songs she will play based on the phone-in requests recieved by the switchboard the previous day. Sagal's list of 200 possible selections includes a)100 songs in the top 100 b)134 hard-rock songs ...
January 19, 2011 by Rania

Using the factor Theorem
use the factor theorem to determine whether x-c is a factor of f(x) f(x)=x^3+8x^2-18x+20; x-10 I have a doubt in my answer, i determined that x-10 is not a factor... am i right? please verify as my exam is tomorrow night at college. thank you for your time and hard work:)
March 13, 2010 by Rose

Personal Finance
If the economy is not doing well and jobs are hard to find, what would you suggest for your friend to do if they are graduating high school in a month? A) sit at home until the economy improves B) save money by going to a local community college C) look for a job D) all of the...
November 13, 2013 by Josh

grewal
Don has just received a cash gift of \$70,000 from his rich eccentric uncle. He wants to set it aside to pay for his daughter Cynthia's college education. Cynthia will begin college in 10 years and Don's financial advisor says that she can earn 8% interest on an investment in a...
April 17, 2016 by parry

Applied Chemistry - HELP!
Make a poster of types of product warning labels. I'm having a hard time looking up types of product warning labels. Please help and please do not just give me Google link to product label for me to look up by myself which I did but I .... having a hard time.
April 7, 2015 by Sam

Technology in the Classroom
There are several different hard drives available for a computer.Which of the following size hard drives is the largest?
November 16, 2011 by annie

Science
Well water in karst areas is often very hard. What is the role of chemical weathering in producing hard water in aquifers?
March 7, 2012 by Anonymous

Science
Well water in karst areas is often very hard. What is the role of chemical weathering in producing hard water in aquifers?

chemistry
Are molecules with double bonds hard to break apart? if so why/why not
June 1, 2010 by kelsy

chemistry
hi I have a hard time understanding the following question: The
March 15, 2015 by juju

english
how about this for starters? The shift from being a high school student to a college student can be both pleasurable and discomforting at the same time for the simple fact that college is nothing like high school. In college there are no “boundaries”, telling the students what...
January 25, 2010 by layla

hitting a hard floor
i weigh 200 drop to hard floor what the force of the falll I'm 5ft 1?
March 15, 2011 by kissme

English
1. You have to study hard to get into university. 2. You have to study hard to go into university. 3. You have to study hard to enter university. 4. You have to study hard to enter the university. (Are the four sentences all grammatical and the same?)
April 11, 2014 by rfvv

college chemistry
what major concepts makes chemistry useful in everday life?
January 10, 2015 by edward

computers ( basics)
the keys to my computer are hard 2 use have 2 press very hard 2 use also makes like a tapping noise any ideas thanks
August 16, 2008 by Lea

SO HARD! MATH
How many nickels would it take to make a stack that's 100 , yes 100 , inches tall! How hard is this?!? AGHHHHHHHH Please help! \(X_X)/ HELPPPPPPPPPPPP MEEEEEEEEEE
February 2, 2016 by Kira Kimes

College Math-
I hope my questions are not very silly. But here is another one I want to understand. Write an equation in slope-intercept form of the line satisfying the following conditions. through (6,7); perpendicular to x=2 My answer was 7/6(X)+2 But in truth the real answer is only y=7 ...
September 29, 2011 by HM

Scholarship Essay
Why do I deserve this scholarship? 250 words or less. Any advice on the paragraph itself or on grammar is greatly appreciated. Throughout my life, I have faced multiple obstacles that I have not let hold me back. I am the first person in my family to not only go to college but...
July 18, 2011 by Angelina

Chemistry
How can I react methanol (CH3OH) with silicylic acid (C7H6O3)to produce methyl salicylate (C8H8O3)? I am trying to find the chemical equation. So far I have this: CH3OH+C7H6O3->C8H8O3+? It is easier to see what is happening if you draw the complete structures. It is hard on...
May 2, 2007 by Corin

final exam
a study shown that 20% of all college textbooks cost at least \$70.it is known that the standard deviation of the prices of all college textbook is \$9.50.assuming that prices of all college textbooks follow a normal distribution, find the mean price of all college textbooks.
May 21, 2013 by Anonymous

Physics
Why should a tuning fork be set into oscillation by striking it with a soft rubber mallet rather than with a hard metal mallet? Striking it with a hard mallet excites higher order modes rather than mainly the fundamental. That is because a hard mallet impact causes steep ...
July 1, 2007 by Rob

Statistics
How do you find the p-value??? Thanks! In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts College, and 30% of the students were in the Education College. To see whether or not the proportions have ...
June 19, 2015 by Becca

algebra 1 scale drawing
On a scale drawing of steps with the base being 1 3/4 inches and the steps going up 1/4 inch each on the drawing.Which scale was used for the drawing if the actual height of each step is 6 inches? A. 1/8 = 1 foot, 10 ines the are hard as heck 2 its hard and yet my teacher isn'...
February 13, 2007 by Hailey

Computer Hardware
Your computer fails to boot which has Vista as the operating system. You suspect that the problem is the hard drive, but you aren't sure. What can you do to prove that the problem is indeed the hard drive? A. Install XP on the hard drive and attempt to boot. B. Boot into Safe ...
January 19, 2013 by Beth

Math
23 college sophomores at Crocodile Community College, 12 preferred pepperoni pizza, 7 preferred supreme, and 4 preferred cheese. If we picked a college sophomore at Crocodile Community College at random, what is the probability that he or she would prefer supreme? Give ...
July 22, 2011 by Jen

math
A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?
November 11, 2009 by s

math
A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?
November 25, 2009 by tara

Math
A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?
September 5, 2010 by Diane

Math126
A Community College has 3,000 student and 90 instructors.The college plans that enrollment will be 3,500 next year.How many new instructors should be hired if the college wants to keep the same students to instructor ratio?
December 1, 2010 by Kelli

Chemistry
Why is it hard to use the periodic table to predict the oxidation #'s of the transition elements?
December 14, 2014 by Hayley

Algebra 1
write an equation of the line containing the point and perpendicular to the given line (4,-8); 2x+5y=4 I am having a very hard time, but I'm trying hard to study the steps for solving the problem. Profoundly, thank you.
January 26, 2011 by Esther

5th math
what is the least common multiple (LCM)for 15 and 45? There are 16 girls in a class of 36 student. which expression could be used to determine the number of boys (b) in the class? please! help i think this too hard for 5th grade math. this suppose to be for 10th or college ...
January 31, 2011 by pat

english double checking
The story of "The Turtle and the Rabbit Run a Race" teaches a few lessons. What lesson does it teach about cheating? "The Turtle and the Rabbit Run a Race" personally taught me if I don't work hard, and I cheat to earn the success I want; I will get the negative revenge of my ...
November 24, 2011 by Anonymous

college essay
Im writing a college essay and Im not sure how to edit the first paragraph My existence thus far has been a musical performance. The world is my stage, the platform on which I can express myself creatively. My life is the reputable melody that I play from my guitar, and the ...
September 7, 2013 by chhristine

Chemistry
What does the subscript "s" on H2O(s) signify? A. seconds B. Super hard C. It is in its standard state. D. It's a solid
May 5, 2010 by Tierra

strayer
You and three (3) of your friends were in the same advance placement high school chemistry class in high school. All four (4) of you decided to take the same chemistry class together at the local university along with 21 other students. On the first day of class, the ...
February 28, 2012 by meka

chemistry
The concentration of calcium ions in hard water can be determined by titration with reagent X,which forms a complex with Ca2+(aq), giving a change of color. Three moles of X combine with one mole of Ca2+(aq). Since the color change in this titration is sensitive to pH, the ...
March 3, 2012 by Anonymous

chemistry
If 75mL of a hard water sample required 23.00 mL of .200 M EDTA, calculate the total hardness
November 1, 2012 by Jen

ap chemistry
is this positive or negative entropy? devitrication of glass desalination of water hard of boiling of a egg
May 9, 2015 by Anonymous

Chemistry
Hi, I have to take chemistry placement test for college this week. Does anyone here have advice for studying to prepare for the test? I took chemistry in high school 2 years ago so I don't remember anything.

chemistry
Would a damp filter paper affect the theoritical yield, calculated actual yield and calculated percent yield. Please help. Chemistry is hard.
November 19, 2012 by Anonymous

chemistry
i'm having a hard time for my chemistry project an my topic on titration and my topic is to determine the mass percentage of iron in steel wool and i can not get as much information on the steps to follows how to create the titration and equipment needed etc. please can you ...
May 17, 2010 by piah

MATH EMERGENCY!!
Please help. I know I asked this before, but the answer was lost during the upgrade. Show that 0.00317 is a rational number by writing it as a quotient of integers. (the 317 has a line over it.) please help. thats hard really hard im in grade 5!!!!
June 15, 2006 by Jonathan

scholarship essay
This is for a scholarship the topic is "Why do you deserve to win this scholarship?" I am hoping that someone can proofread this and also give any tips for improvement. In addition, the essay has to be under 250 words. I believe that I deserve this scholarship because I am a ...
July 17, 2011 by Angelina

math
I must simplify this equation and am having a hard time (5+2a+3a)-(a2+a-6) I also would like to know if you could help me with this onex(4x2+3x-5)-2(4-x2) this is also simplifing. I have a really hard time with these, thank you
March 6, 2008 by kristina

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