Thursday
May 5, 2016

# Search: math/chemistry

Number of results: 170,376

statistics
At a certain college, 15% of the students receieved an A in their required math cousre, 10% receieved an A in their required chemistry course, and 5% receieved an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry ...
October 4, 2009 by Sharon

statistics
At a certain college, 15% of the students received an A in their required math course, 10% receieved an A in their required chemistry course, and 5% received an A in both. A student is selected at random. a.) What is the probability that he received an A in either chemistry or...
October 3, 2009 by Sharon

statistics
At a certain college, 15% of the students received an A in their required math course, 10% received an A in their required Chemistry course, 5% received an A in both. A student is selected at random. a.) What is the probability tha he receieved an A in either Chemistry or Math...
October 2, 2009 by Sharon

chemistry
How do you make a venn diagram of the 6 branches of chemistry? (Inorganic chemistry, organic chemistry, biochemistry, nuclear chemistry, physical chemistry, and analytical chemistry) like where would they go in the 3 circles
August 26, 2012 by jake

Math
If you pass general chemistry, then you can take organic chemistry. You pass general chemistry.  You can take organic chemistry. Let P = you pass general chemistry Let Q = you can take organic chemistry I came up with P - >Q P therefore Q But my set up is wrong, how do I ...

Math
of 250 candidates writing a exam, 147 passed in math,150 pass in chemistry and 85 pass subjects B)calculate the number of students who pass i)pass math only ii)pass chemistry only iii)passed neither iv)pass only one subject
January 30, 2012 by andrew

math
Emily surmises that the probability tht she will pass math or chemistry is .95, the probability of her passing math is .7, and the probability of passing both is .55. Find her estimate of the probability of passing chemistry?
November 22, 2011 by Sam

math/ chemistry
so I have this chemistry problem which involves math and basically I need to convert 62 g/mol into mol/L but I don't know how. like do you DIVIDE the g/mol by 1000 to convert g to L? and then how to you get the mol to become the numerator?
January 11, 2016 by kayla

math
500 students sat for an examination in mathematics,physics and chemistry.45 passed all the three subject,60 passed mathematics and chemistry,70 passed physics and chemistry,50 passed mathematics and chemistry,10 passed in mathematics,80 passed in chemistry and 35 passed at ...
November 13, 2011 by damilola

set
of 250 candidates writing a exam, 147 passed in math,150 pass in chemistry and 85 pass subjects B)calculate the number of students who pass i)pass math only ii)pass chemistry only iii)passed neither iv)pass only one subject
January 30, 2012 by Andrew

math
A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers study all three subjects as those who learn none...
December 24, 2012 by ifi

chemistry
I have a chemistry project where I need to make an object move using my knowledge of chemistry. The object os a small ball teh size of a large marble. It must be moved using chemistry and NOT physics (ie slope wind etc). I am 15 and in grade 11.
April 8, 2010 by Didier

chemistry/stiochiometry
could someone please answer my chemistry/stoichiometry questions below both "anonymous one just chemistry on todays date
March 16, 2011 by "anonymous"

CHEMISTRY!!!!! HELP!!
October 18, 2014 by Jane

ACT Math
Of the 60 students in a school, 24 are currently studying chemistry. Exactly 16 of the girls in the school are not currently studying chemistry. The number of girls in the school is 33. How many boys are currently studying chemistry? Correct answer is 17. How did they get that...
August 27, 2013 by Java

math
In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also,4 of them offer physics and chemistry but not biology,3 offer physic and biology but not chemistry,6 offer biology and chemistry but not physics if 13 of them offer physics only how...
January 24, 2016 by dapo

math
Mrs. Gomes found that 40% of students at her high school take chemistry. She randomly surveys 12 students. What is the probability that at most 4 students have taken chemistry? Round the answer to the nearest thousandth. A)0.008 B)0.438 C)0.562 D)0.665
August 11, 2014 by zeke

Math
Out of 300 student in final year in senior secondary school, 200 are offering biology and the150 offering chemistry how many are offering neither biology nor chemistry
January 24, 2016 by Emmanuel

Chemistry
The population of San Francisco is 750,000 in an area of 49 square miles. What is the population density in San Francisco? Express your answer in people per acre. ( 1mi(squared) = 640 acres ) 49 sq mi x (640 acres/1 sq mi) =?? acres. (Note that sq mi cancels leaving acres.) ...
September 13, 2006 by Jamie

Statistics- Math
One student scored 54 on a math test for which the mean score was 50.5 and the standard deviation was 3.2. Another student scored 80 on a chemistry test for which the mean score was 75.2 and the standard deviation was 5.2. Which student (math or chemistry) had a "better" score...
February 17, 2012 by Kerrin

Chemistry
Our professor just told us that the final exam will be the ACS exam, we are taking general Chemistry II. What is the best way to study for ir? Is the preparing for ACS general chemistry study guide good? If we are taking general Chemistry II do we have to study Chemistry I again?
April 19, 2012 by Mima

Chemistry
Our professor just told us that the final exam will be the ACS exam, we are taking general Chemistry II. What is the best way to study for ir? Is the preparing for ACS general chemistry study guide good? If we are taking general Chemistry II do we have to study Chemistry I again?
April 19, 2012 by Mima

Math
Lee has two tests to study for: Chemistry and French. She plans to study for up to 13h in total. She will spend at least 4 hours studying Chemistry and up to 6 hours studying French. Let x represent the number of hours she will spend studying Chemistry, and y the number of ...
July 24, 2009 by Elle

math
The quadratic equation frequently appears in both the equilibrium and acid-base sections of General Chemistry. Therefore, it is useful to refresh the use of the quadratic before applying it to chemistry questions. Which of the following answers is a viable solution to the ...
January 24, 2015 by ALEX GOLD

General Chemistry!!!!
Hi I'm a high school teacher. I teach General Chemistry. I'm looking for a textbook for my student. In this course we learn the basics of chemistry and how it relates to our everyday lives/world.
December 29, 2014 by Teacher

chemistry
What is the theoretical yield of H[2]O (in grams) if 8.3 mol H[2]S were consumed in the above reaction? If 137.1g of water was actually collected after the reaction, what is the percent yield? I have no idea to do this problem. I am not good in math at all and currently taking...
March 26, 2015 by Ty

Chemistry (kind of)
Okay so this is actually for an english assignment where we have to report on a problem in our field....mine happens to be Chemistry so I was wondering what kind of problems or disputes can be caused in a chemistry lab...
February 6, 2009 by Stefanie

Math
At Small Town High there are 100 students, each of whom takes at least one of biology, chemistry, or physics. There are 50 students in biology, 60 in chemistry, and 70 in physics. If 24 students are enrolled in exactly two of these classes, how many students are in all three?
November 7, 2010 by kyle

math
in an examination, 31 candidate passed chemistry, 29 passed physics and 3 failed both subject. if 50 candidate sat for the examination, how many of them passed chemistry only?
September 23, 2015 by Anonymous

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

ap chemistry
I have taken ap chemistry but I have language barrier and sometimes I don't get it and I am getting behind.We are already in chapter 9.I don't want to quit. What is the best way to improve and learn faster?Any practice I should do?What is the experience taking ap chemistry ...
November 4, 2012 by zoya

Chemistry
Chemistry and engineering topics how chemistry relates to engineering for my 10 page research paper
May 31, 2014 by Mario Garcia

Chemistry
In polymer chemistry, it is often said that obtaining a polymer with certain desired physical properties is often more a problem of engineering than of chemistry. Why is this the case? bgfhftghgfgfnhgf
September 29, 2006 by Lindz

Ap chemistry
I'm taking ap chemistry also! I was just wondering about how much space they give you on an ap chemistry test the Multiple choice section, is it enough space for work? Do they give you scrap?
October 5, 2008 by Jaqui

Chemistry
In polymer chemistry, it is often said that obtaining a polymer with certain desired physical properties is often more a problem of engineering than of chemistry. Why is this the case?
September 28, 2006 by Lindz

math
Riena has six unmarked CDs in a box, where each is dedicated to exactly one of English, mathematics, French, American history, chemistry, and computer science. Answer the following questions: a. If she chooses a CD at random, what is the probability she chooses the English CD...
August 12, 2010 by kirk

Chemistry,Math
Thank you tutors!!
October 28, 2013 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.

Science
Which branches of science do pharmacists need knowledge of to do their job properly? A.physics and chemistry B.biology and chemistry C.chemistry and geology D.physics and computer science Is the answer B?
August 19, 2014 by Gwen

Chemistry
Compare the natural chemistry that takes place in the environment with the chemistry that takes place due to manmade factors like pollution. Discuss the effect of pollution at the local, regional, national, and global level.
February 20, 2012 by Jenn

math
A textbook store sold a combined total of 315 physics and chemistry textbooks in a week. The number of physics textbooks sold was two times the number of chemistry textbooks sold. How many textbooks of each type were sold?
March 7, 2013 by help

math
A textbook store sold a combined total of 462 biology and chemistry textbooks in a week. The number of biology textbooks sold was two times the number of chemistry textbooks sold. How many textbooks of each type were sold?
April 24, 2013 by Anonymous

math , physics, chemistry
sec^4x=11tan^2x+5 than what is the value of tanx
August 30, 2015 by vikas

math
â˘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 ...
December 4, 2012 by jacque

Math/chemistry
how do I solve this equation? 106 g * 4.184 * (X-23 degrees celsius)
October 20, 2009 by Tom

chemistry
Describe the differance between chemistry and chemical technology. Technology is the making of applications. Chemical technology...making chemicals for practical or commercial purposes. Chemistry...the study of materials, their reactions
August 16, 2005 by Jane

grd 12 U chemistry
Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...
September 28, 2013 by Sky

Sta 112
This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and biology but not ...
January 23, 2016 by Anonymous

Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry, create a career that ...
September 28, 2013 by Sky

Chemistry
Explain in terms of forces between structural units why H2O2 has a higher melting point than C3H8. Also, which of the following has a lower melting point? NH3 or AsH3 C3H7OH or C2H5OCH3 I know that this has to do with hydrogen bonding. Can you possibly briefly explain ...
December 9, 2009 by Jillian

chemistry/math
If aluminum has a density of 2.78 g/ml, how much space would 32 grams occupy?
September 29, 2008 by Michelle

Chemistry Lab Math
Prepare 600mL of a 100mM solution of glucose in 0.9% NaCl.
December 5, 2010 by margrav2

math
who are the fathers of following subjects a)maths b)physics c)chemistry d)biology e)social

Chemistry-ish
What is the pH of a solution that has a OH- concentration equal to 1x10-5M? 14-x 14-5=9 can I use that simple of math 9?
May 3, 2016 by Jeremiah

just wondering...
what is harder, chemistry or physics? because i've been struggling all year in chemistry and i'm taking physics next year... i have a solid a in alg.2 though... oh yeah, and i want to be a physical therapist. so if i'm not to good in chemistry can i still be a physical ...
May 29, 2008 by sfdsajflkd

Math
In a class 85% of the student recieved the highest grade in English Literature, 80% in Math, 75% in History, and 30% in Chemistry. About what percentage of the students could you say for sure that they recieved the highest grade in all 4 subjects?
October 15, 2009 by Kim

chemistry
I am doing stoicheometry and I need help. Is there anyone who knows about it? It's in my chemistry class. HELP! I am in tears and cannot figure this out.
March 2, 2010 by Rachel

Chemistry
Why was Wohler's synthesis of urea significant to the field of carbon chemistry? Please help. Thank you.
January 24, 2011 by John

chemistry
answers to latenite labs chemistry lab#9 stoichiometry by loss of CO2
January 19, 2012 by Anonymous

chemistry
I need some help with making a solubility rule for CrO4 -2 for my chemistry homework.
April 1, 2012 by Debbie

chemistry
what else could you use the Volhard method in Chemistry for? like is it used in a certain context?
December 6, 2014 by xx

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

Chemistry
Why a model of the atom is crucial to understanding chemistry and in explaining the behavior of matter?
March 2, 2015 by Ciaria

chemistry
which of the following has highest binding energy (nuclear chemistry) Fe-56 , O-16 , H-3 , U-235 and explain why
January 15, 2016 by ahmed

chemistry
hey i need help on finding a good oxidation chart for chemistry.
April 3, 2008 by shylo

chemistry
Where would you find iron II sulphide outside a chemistry laboratory?
January 10, 2009 by Nabiha

chemistry
Is Procion Red Dye a suitable model for chemistry lab?
December 2, 2009 by donna

Chemistry
I really need help with this; it'll be the last chemistry question I ask: 44. Identify the type of reaction. a. AB ---> A+B b. AB + C--> AC + B c. AB + CD --> AD + CB Thanks -MC
November 3, 2010 by mysterychicken

Chemistry II
Why is YBa2Cu3O7 a super conductor? Explain Chemistry and Structural bases.
February 16, 2011 by Brittney

chemistry
I need help on a balance ionic equation in chemistry Ca(NO3)2 + NaOH
January 27, 2013 by Anonymous

CHEMISTRY
how would a chemistry student make a 600 mL of 1.5 M solution of NaBr?
May 9, 2013 by David

CHEMISTRY
how would a chemistry student make a 600 mL of 1.5 M solution of NaBr?
May 9, 2013 by David

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

chemistry
where would you find calcium carbonate and sodium chloride outside a chemistry lab?
January 10, 2009 by Nabiha

chemistry
where would you find iron II oxide and sodium hydrogencarbonate outside a chemistry lab?
January 10, 2009 by Nabiha

Chemistry
This is question 4a on section a.12 chemistry. What will you observe happening to the balloon as it sits in the warm car
February 4, 2013 by Anonymous

Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?
April 4, 2013 by Violet

Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?
April 4, 2013 by Violet

Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?
April 4, 2013 by Violet

math
Elin estimates her probability of passing French 0.6, passing chemistry is 0.8, (a)determine the probability that elin will pass French but fail chemistry (b) pass chemistry but fail French (c) pass both classes (d)fail both classes
April 15, 2015 by sakura

Math
Post a New Question Current Questions Homework Help: Math (HELP PLEASE) Posted by Anonymous on Tuesday, September 17, 2013 at 8:37pm. Estimate the total precipitation in inches and in days for Asheville and Wichita. City: Inches: Days...
September 19, 2013 by I need help on this to

Chemistry
I'm not doing so well in ap chemistry. i think i'm not studying the right way. can anyone suggest how i can raise my grade? i do my homework but it doesn't seem to help.
October 14, 2007 by Grant

Can you take AP Chemistry without taking any previous chemistry class?
December 1, 2007 by Emily

chemistry
This is another question on my chemistry worksheet. What is a gas's molecular mass? I guess they want the definition because there are no numbers involved.
March 4, 2008 by emily

chemistry .............chemistry
what color emission would you see if you heated each solution to an extremely high temperature? why
October 12, 2012 by Maria

Chemistry
Why would a firefighter or a reporter need to understand chemistry?
September 5, 2007 by John

previous chemistry.
can some one reply to my last chemistry post? thanks.
January 25, 2009 by Chopsticks

chemistry
can you tell me how can i make a chemistry working model for class 9
June 6, 2011 by tanu

AP CHEMISTRY
March 19, 2012 by HELP PLEASE

Chemistry
Why is the mole considered an important quality in Chemistry? What does it allow us to do?
October 19, 2014 by Amy

CHEMISTRY HELP
how can analytical chemistry help on different fields of sciences and technology?
November 26, 2014 by Ella

Chemistry/Math
convert 0.01403 grams to ppm please show all step
October 1, 2014 by Hasaan

Chemistry
Who used x-ray diffrection experiments for the periodic table http://www.chemistry.co.nz/henry_moseley.htm
November 19, 2006 by ciao

Chem
why is an understanding of chemistry important in biology? All digestion, nutrition, muscle usage/reactions, cell division/reproduction, and all of the enzymatic processes at work in the body are chemisty. Even eyesight is a chemical reaction. So you need to know something ...
June 18, 2006 by Samantha

chemistry
can you give me examples of pictures just name it, ummm.. CHEMISTRY IN DAILY LIVING , TECHNOLOGY AND SOCIETY
July 25, 2011 by Anonymous

chemistry
what does SPDF mean in chemistry on the periodic table? What is the PDO format in when writing a lab report? pls help
October 13, 2011 by ted

AP CHEMISTRY
May 1, 2012 by DAN

explain the concept of a stock solution and standard solutions as if you were explaining it to a friend who is not studying chemistry.
April 30, 2013 by michael

Chemistry
I am working on a solid chemistry problem, but I do understand what e^ means. Is it the elementary charge? or Faraday constant. Please help.
November 16, 2013 by FHD

Chemistry
Please,tell me the ways I can use to understand chemistry better.I need help,and it is urgent because am starting to drop.
February 17, 2016 by Miracle

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