Physical chemistry

4,303 results
  1. 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

    asked by jake on August 27, 2012
  2. 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

    asked by sfdsajflkd on May 30, 2008
  3. Intro to Physical Science

    Define physical science Andrew: I went to www.dictionary.com and typed in physical science. The following is what it returned.I hope this helps. physical science  1. any of the natural sciences dealing with inanimate matter or with energy, as physics,

    asked by andrew on September 9, 2006
  4. 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

    asked by Lindz on September 30, 2006
  5. 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?

    asked by Lindz on September 29, 2006
  6. chemistry

    I want to make sure I am correct in classifying whether the following properties of hydrogen are chemical or physical. thanks 1. hydrogen will burN in in oxygen to form water. CHEMICAL 2. hydrogen does not support combustion. CHEMICAL 3.hydrogen is usually

    asked by david on April 9, 2014
  7. Science

    List all of the things that are physical property. You will find some listed here. http://nobel.scas.bcit.ca/chem0010/unit2/2.2_properties_physical.htm There are very many others, but they would require a lot of effort to explain what they mean. Isn't

    asked by Lisa on March 24, 2007
  8. physical science

    gimme a side of what physical science is. I know there's no shortcuts but it means alot of ev'rything I gotta know. Sho' me. I have little understanding of what you wrote. When one tries to communicate in non-standard English, the results are

    asked by Henry on September 3, 2005
  9. Soxhlet extractor

    Does anyone know what kindo of chemistry lab course(Organic, Physical, etc.) might use a soxhlet extractor in the experiments? Sheryl http://en.wikipedia.org/wiki/Soxhlet_extractor Certainly Organic It is used in organic chemistry. The URL provided by

    asked by Sheryl on October 9, 2006
  10. Chemistry

    is 2 physical? what's 3? I didn't quite get that right. It should be extensive and intensive properties. It is true that density is a physical property but I don't think that is 2. It is EITHER an intensive physical propery or an extensive physical

    asked by Bryan on February 1, 2007
  11. science

    Please check these! Physical or Chemical properties? 1. solubility = physical 2. melting point = physical 3. reacts with water to form a gas = physical

    asked by Reed on September 13, 2012
  12. 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

    asked by Sharon on October 4, 2009
  13. language arts

    Need to confirm if the verbs in the sentences are physical or mental actions: 1. However he won only 2 medals --Physical 2. Spitz also teamed with three other Americans in 3 relay races - Physical 3. In total, Spitz won s7 gold medals in a single

    asked by cee on March 17, 2014
  14. physical chemistry

    This question is about a lab called Heats of Ionic Reaction in my Physical Chemistry class. I need to know why there should be a large percentage error in deltaH4

    asked by shelby on March 5, 2013
  15. physical Sciencw

    Explain how the study of physical science has a positive impact on every day life. Weater forecasting Predicting astronomical events Making better insecticides Making more fuel efficient engines Etc...... Thank you for using the Jiskha Homework Help Forum.

    asked by makeda on December 28, 2006
  16. nsikayethu secondary comprehensive school

    physical science (chemistry).place them in order Which liquid will evaporates faster between ethanol, nail porish remover, methylated spirits and water

    asked by snenhlanhla on August 11, 2015
  17. 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 the 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.

    asked by Didier on April 8, 2010
  18. science

    Will you please check? Physical or chemical properties 1. bitter taste = physical taste 2. can neutralize a base= physical property 3. boiling point = physical property 4. reacts with a base to form water= physical 5. reacts with acid to form hydrogen =

    asked by Reed on September 13, 2012
  19. Physical Chemistry

    In my physical chemistry book, I'm reading about "Margules Equations": ln γA = ΒxB2 ln γB = ΒxA2 I don't understand where these equations come from. How is it known that there is a single constant Β that satisfies both relationships?

    asked by Sean on May 5, 2009
  20. Chemistry

    Name 3 careers where you are required to know PHYSICAL Chemistry, and why those careers require it.

    asked by Bobcat on August 31, 2010
  21. Chem Lab

    Am I right? Classify the following properties of sodium metal as physical or chemical: •Silver metallic color—physical property •Turns gray in air—physical property •Melts at 98º C-melting point is physical property •Reacts explosively with

    asked by Help1001 on April 23, 2010
  22. 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

    asked by Corinne on February 23, 2009
  23. 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?

    asked by Gwen on August 19, 2014
  24. 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

    asked by Sharon on October 2, 2009
  25. Social Studies

    In what way is geography an integrative science? a. Geography is an integrative science because it examines Earth in both physical and human terms.*** b. Geography is an integrative science because it borrows from physical sciences such as chemistry,

    asked by Kaai97 on February 4, 2016
  26. geography

    what is phyiscal region? What is a physical region? A physical region is an area that shares a similar type of landform or physical characteristic. In South Asia, we find three physical regions: The Himalaya Mountains The Indo-Gangetic Plain The Deccan

    asked by jj on November 27, 2006
  27. 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

    asked by Sharon on October 3, 2009
  28. TEACHER AIDES

    8. Which of the following statements is true of joint physical custody? A. Joint physical custody isn't legal in most states. B. Joint physical custody is usually difficult for young children. C. Joint physical custody is usually preferred by the court. D.

    asked by sara on June 7, 2011
  29. teacher aides

    8. Which of the following statements is true of joint physical custody? A. Joint physical custody isn't legal in most states. B. Joint physical custody is usually difficult for young children. C. Joint physical custody is usually preferred by the court. D.

    asked by sara on June 7, 2011
  30. 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

    asked by Samantha on June 18, 2006
  31. Math

    If you pass general chemistry, then you can take organic chemistry. You pass general chemistry. ˆ 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

    asked by Madison on January 21, 2011
  32. Creating High-Quality Centers

    The sensory center can help children develop skills and knowledge in which of the following domains? A. Physical and social B. Physical only C. Physical, social, emotional, and cognitive D. Physical, social, and cognitive my answer is c.

    asked by Priscila on March 14, 2017
  33. language arts -

    Need to confirm if the verbs in the sentences are physical or mental actions: 1. Other Americans in the Olympics challenged their opponents, too. --physics 2. Wilma dazzled the crowds in the track & field competition. --physical 3. Al Oerter, an American

    asked by cee on March 18, 2014
  34. Math

    In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to

    asked by Delson on June 9, 2016
  35. CHEMISTRY!!!!! HELP!!

    I'm looking for a chemistry and applied chemistry textbook that had been published between 2011-2014. Please help because I couldn't find one on google.

    asked by Jane on October 18, 2014
  36. 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

    asked by Mima on April 20, 2012
  37. 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

    asked by Mima on April 20, 2012
  38. chemistry

    I did a chemistry lab on polarimetry where we separated two enantiomers into individual salts and then used a polarimeter to determine the specific rotation and optical purity. What is the relationship of the proline salts to one another? i said that being

    asked by laura on March 31, 2008
  39. health

    hat is physical stress? A. A physical reaction of the body to various triggers B. A physical reaction of the mind to various triggers C. A physical reaction of the soul to various triggers D. A physical reaction to the heart to various triggers i think its

    asked by noah on February 7, 2013
  40. 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...

    asked by Stefanie on February 6, 2009
  41. 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

    asked by damilola on November 13, 2011
  42. 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

    asked by ifi on December 25, 2012
  43. 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.

    asked by Teacher on December 29, 2014
  44. Chemistry(Please help)

    What is the pH of a 5.06E-2 M aqueous solution of sodium acetate? I know that I would set this up the same way I did for the previous question that I posted. I am just confused on how to find the Ka. I know it is kw/kb but for what compound is what I do

    asked by Hannah on April 8, 2012
  45. Physical Chemistry Help!

    I am posting a link to the jpeg file of the physical chemistry homework i need help with, because everytime I try typing it out, I just get wierd symbols. If somebody could please help, that would be greatly appreciated! Thanks~ =) img.photobucket. com/

    asked by Angela on October 20, 2006
  46. Academic 4-year plan: Zoology

    Can you take AP Chemistry without taking any previous chemistry class?

    asked by Emily on December 2, 2007
  47. science

    An area in your state has been flooded due to heavy rains. How might scientists from the three main branches of science interact in their study of the flood, its effects, and how future flooding might be controlled? OK, I will bite: What do you think the

    asked by alexa on September 17, 2006
  48. Health

    What is physical stress? A. A physical reaction to the heart to various triggers B. A physical reaction of the body to various triggers C. A physical reaction of the soul to various triggers D. A physical reaction of the mind to various triggers B

    asked by Night on October 30, 2014
  49. Chemistry

    Hi, Does anybody know a list of websites that have a list of short labs (3-5 min) on chemistry? I hope these are of some help. http://www.chemistrycoach.com/Links%20to%20chemistry_experiments.htm

    asked by Larry on January 20, 2007
  50. 9

    What can health care providers do to help promote physical activity initiatives? A. Absolutely nothing, they do enough B. Advise patients on physical activity and how they can do it safely C. Advise patients on how to avoid physical activity D. Advise

    asked by desha on March 5, 2012
  51. Health

    What can health care providers do to help promote physical activity initiatives? A. Absolutely nothing, they do enough B. Advise patients on physical activity and how they can do it safely C. Advise patients on how to avoid physical activity D. Advise

    asked by Destini on April 3, 2012
  52. 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.

    asked by Java on August 27, 2013
  53. Chemistry

    Are the following physical or chemical: a. dew is dried by the sun a dark cloth is faded by the sunlight c. grape juice is converted to wine d. soap is dissolved in water a.physical b.physical c.chemical d.chemical Physical changes are those in which the

    asked by Joe on September 10, 2006
  54. ap chemistry

    home / study / questions and answers / science / chemistry / balance the following example of a heterogeneous ... Your question has been answered! Rate it below. Let us know if you got a helpful answer. . Question Balance the following example of a

    asked by martika on September 29, 2015
  55. Drug Abuse (URGENT)

    What are some non physical effects of marijuana use? I've found lots of physical but I can't seem to find any non physical effects. Can someone help me please. Thanks very much.

    asked by John on October 12, 2009
  56. Dr.Bob - Question

    I'm know I'm interested in the chemistry field. The problem is that I have to further narrow down my field of interest. I was curious to know what type of chemistry did you specialize in in the past. -christina

    asked by ~christina~ on June 27, 2009
  57. Chemistry

    Can you recommend an easily accessed site for chemistry topics for engineers. (Preferrably with topics of crystallization and inorganic chemistry)

    asked by Liei on August 9, 2018
  58. SAT Math

    All of the students who took chemistry at Groveton High School last year were juniors or seniors, as shown in the table below. If 80% of the students who took chemistry passed, then what fraction of the students in the combined junior and senior classes

    asked by Kay on December 28, 2016
  59. math sets

    out of 320 students at a university,190 taking math,235 taking chemistry and 120 taking physics.125 are taking both chemistry and math,95 taking both chemistry AND PHYSIC,55 TAKING BOTH MATH AND PHYSICS.HOW MANY ARE TAKING ALL THE THREE SUBJECTS

    asked by kelvin on January 16, 2017
  60. physics

    4mm=0.004m 2cm=0.02m 2kg=2000g 4kg= ____m 2) 5 physical senses and why their considered physical -touch,hearing,smell,taste,sight their considered physical because The nervous system has a specific sensory system or organ, dedicated to each sense?

    asked by Rein on June 9, 2016
  61. 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

    asked by zoya on November 4, 2012
  62. 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.

    asked by Advice please on October 12, 2010
  63. 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,

    asked by Sky on September 28, 2013
  64. Grade 12 University 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,

    asked by Sky on September 28, 2013
  65. health

    identify the type of abuse [mental, physical, sexual, neglect] by the clue given: pours milk over you just because you couldn't finish the second glass. mental. it is not phsyical because the person did not hit or touch them. it is not sexual for..obvious

    asked by serts on May 15, 2007
  66. 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?

    asked by Catie on January 13, 2008
  67. 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

    asked by meka on February 28, 2012
  68. Changes in Matter

    Which of the following are examples of a physical change? a)change in physical state b)change in size or shape c)change in properties d)change in texture e)change in physical quantities f)change in substances Answer: a, b, and d Please correct me if I'm

    asked by Sara on March 22, 2010
  69. Changes in Matter

    Which of the following kitchen activities are physical changes, and which are chemical changes? a)cooking bacon-chemical b)making icing-physical c)baking a cake-chemical d)using oven cleaner-chemical e)making whipped cream-physical Please correct me if I'm

    asked by Sara on March 22, 2010
  70. Chemistry

    Chemistry and engineering topics how chemistry relates to engineering for my 10 page research paper

    asked by Mario Garcia on May 31, 2014
  71. chemistry placement exam

    has anyone taken a chemistry placement exam prior to their 1st year of college? what's it like? look up chemistry placement exam on yaahoo and there are a whole lot of websites that talk about what you are asking! hope this helps! You might browse these

    asked by Hawk on June 21, 2006
  72. 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

    asked by Anonymous on January 23, 2016
  73. English

    I urgently need to know where I can get a sort of dictionary of terms on microbiology. 1) I need to translate technical terms from Italian into English used to describe the results of a microbiological analysis conducted on water. 2) In addition, I need to

    asked by Henry2 on January 21, 2012
  74. Chemistry labs in highschool

    I was curious to know whether it was standardized practice to have labs for chemistry classes in highschool. I personally have never had labs for chemistry in highschool. In my state we have the Regents. You may or may not have heard of this test, but the

    asked by ~christina~ on August 23, 2007
  75. classroom instruction 9not sure if i am right)

    • Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i am doing physical education in wisconsin. this is what i have i

    asked by scooby on February 20, 2010
  76. 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

    asked by Jamie on September 13, 2006
  77. the exceptional child

    physical disabilities affect young children's learning because: a.physical disabilities always affect thinking. b.cerebral palsy gets progressively worse. c. physical therapy takes time away from learning. d.their learning is primarily activity-based.

    asked by Rashmi on September 15, 2012
  78. As Chemistry

    A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY. please help I'm really stuck, Chemistry - bobpursley Saturday, September

    asked by 0oooooooo0 on March 5, 2018
  79. Chem

    This is concerning Le Chatelier's Principle and Equilbrium... After I give a definition of what it means when it is said that salt is soluble and what is meant by insoluble, I am asked: Why are these terms very broad and not very accurate? Can someone

    asked by Marisol on February 22, 2007
  80. ENGLISH, HELP?

    In the following sentence, which words should be in quotation marks? Did you read the chapter Chemical Reactions in our science textbook, Understanding Chemistry? A. chapter Chemical Reactions B. Chemical Reactions C. Understanding Chemistry I think the

    asked by JJ on February 1, 2013
  81. As chemistry

    A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY. please help I'm really stuck, Chemistry - bobpursley Saturday, September

    asked by 0oooooooo0 on March 1, 2018
  82. math

    In a class of 50 student, 25 offer mathematics, 22 offer physcis, 30 offer chemistry and all the student take at least one of these subjects , 10 offer physics and mathematics, 8 offer chemistry and mathematics , 16 offer physics and chemistry. (a) draw a

    asked by kunfayakun on December 25, 2017
  83. chemistry

    Posted by Bret on Friday, March 16, 2007 at 10:44am. what is the oxidation number for nitrogen in the following? NH3 NO2 1- N2 NO2Cl N2H4 For Further Reading chemistry - bobpursley, Friday, March 16, 2007 at 11:26am We will be happy to critique your

    asked by Bret on March 16, 2007
  84. 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

    asked by zeke on August 11, 2014
  85. science(chem)

    I was just wondering if it was necessary to remember each branch of chemistry learned. I can't really remember general chemistry and I'm sort of loosing the organinc. I mostly remember the calculations and the starting part of each course, but other than

    asked by ~christina~ on July 27, 2008
  86. chemistry

    Would Conducting electricity be considered a physical or chemical property of zinc i got physical but just want to make sure.

    asked by Jack on September 9, 2010
  87. Health

    1.List a physical, mental and emotional, and social benefit of physical activity.

    asked by Mary Lou on November 5, 2013
  88. Science (Asap)

    You learned that a tree can be cut down and shaped into a bat.This is a physical change.What are some of the physical changes we find in nature?

    asked by Frances on May 2, 2011
  89. 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?

    asked by Jaqui on October 6, 2008
  90. 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

    asked by ALEX GOLD on January 25, 2015
  91. chemistry

    is the formation of an aqueous solution with water, a physical or chemical property? physical..... because the substance doesn't change.....

    asked by jojo on June 1, 2015
  92. English

    What characters in Lord of the Flies had physical defects? I couldn't think of any, unless you can't being nearsited (Piggy) as a physical defect, or obesity.

    asked by Rosalyn on February 15, 2009
  93. Science

    true or False in a physical change some of the physical properties of substance may be altered and the chemical composition remains the same

    asked by M on January 23, 2015
  94. statistics

    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

    asked by d's on March 3, 2012
  95. Chemistry

    Calculate the standard free-energy change for the following reaction at 25 C degrees. 2Au^3+(aq)+3Ni(s) 2Au(s)+3Ni^2+(aq) Ni2+(aq) + 2e- -> Ni(s) E=-0.26 Au3+(aq) + 3e- -> Au(s) E=+1.498 G= ? KJ Would it be G=1.758? •Chemistry - DrBob222, Sunday, March

    asked by Anon on April 1, 2013
  96. maths

    in a class of 35 students twice as many study chemistry and study physics half a many study chemistry as study both subjects illustrate it on a venn diagram

    asked by owusu afriyie on January 21, 2016
  97. chem

    Does anyone know a website that will help me identify the physical properties of compounds, elements, and mixtures? For example, describe the physical characteristics of mercury (liquid).

    asked by Jen on February 27, 2009
  98. 7th Grade Science

    what physical force can cause a change in the state of matter what is the difference between chemical and physical changes what occurs during Bose-Einstein condensation Please help me.

    asked by completeidiot on September 5, 2012
  99. Health (Ms. Sue)

    Compare the stages of Maslow's hierarchy of needs. A: The first stage, the physical stage, which consists of food, water, sleep, and exercise, is ultimately essential for us to thrive and pass our genes on to the next generation. The second stage, the

    asked by Anonymous on October 27, 2013
  100. Chemistry

    A teacher prepares a saturated NaCli solution at 55 Degree C. What is the % by mass 9m/m0 of this solution? what is the concentration of this solution expressed in ppm? What is the molality of this solution? If the density of the solution is 1.07 g/ml,

    asked by nancy on March 21, 2007

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