Search: physical chemistry PLEASE HELP!!!

Number of results: 163,924

science
Please check these! Physical or Chemical properties? 1. solubility = physical 2. melting point = physical 3. reacts with water to form a gas = physical
Wednesday, September 12, 2012 at 10:54pm by Reed

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 = chemical property 6. ...
Wednesday, September 12, 2012 at 9:51pm by Reed

chemistry
Using your knowledge of atoms describe reasons the paper's physical properties are different from the water's physical properties...Please Help
Saturday, May 30, 2009 at 3:35pm by Nick

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 substance is not ...
Saturday, September 9, 2006 at 9:53pm by Joe

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
Monday, March 4, 2013 at 8:16pm by shelby

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.
Monday, October 12, 2009 at 7:19pm by John

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, chemistry, and ...
Saturday, September 9, 2006 at 3:31pm by andrew

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/ albums/v219/AzNxB3Ba/...
Friday, October 20, 2006 at 3:18am by Angela

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 wrong, thanks
Monday, March 22, 2010 at 7:28pm by Sara

chemistry
Those involving a chemical change are chemical; a physical change is physical. For example, it is a gas; that is a physical property.
Tuesday, February 19, 2008 at 7:35pm by DrBob222

chemistry
What is the role of energy in physical changes? Please and thank you!!!
Tuesday, November 7, 2006 at 6:24pm by Christine

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 unpredictable. Here is...
Saturday, September 3, 2005 at 4:24pm by Henry

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 ...
Thursday, May 29, 2008 at 10:18pm by sfdsajflkd

just wondering...
You may get several opinions since this is an opinion question. Some find chemistry easier and some find physics easier. I don't know what you consider to be not too good in chemistry but a grade of C in chemistry probably will not keep you from being a physical therapist ...
Thursday, May 29, 2008 at 10:18pm by DrBob222

chemistry
Would Conducting electricity be considered a physical or chemical property of zinc i got physical but just want to make sure.
Thursday, September 9, 2010 at 3:21pm by Jack

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
Sunday, August 26, 2012 at 10:10pm by jake

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.
Tuesday, September 4, 2012 at 10:00pm by completeidiot

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 wrong, thanks
Monday, March 22, 2010 at 7:16pm by Sara

chemistry
As the temperature of a gaseous substance is decreased at constant pressure, it will undergo a series of physical changes. Which is the correct sequence of physical states that will be encountered?
Friday, January 20, 2012 at 1:49pm by erica

Physical Science
A=Vf - Vi divided by 29 seconds Can you please help me. This is 9th grade Physical Science homework.
Tuesday, September 13, 2011 at 6:15pm by Katelyn

physical chemistry
the aprroximate method to solve the shrodringer equation for hydrogen like atom? Please help, thank
Saturday, June 4, 2011 at 6:49pm by bun

Law
Which discovery tool would be especially appropriate to use against a plaintiff claiming physical injuries that the defendant believes are being faked please check my answer thanks :) a request for physical examination
Wednesday, November 14, 2007 at 7:53pm by Anonymous

Chemistry
C9H20 + 19/2O2 -> 9CO2 + 10H2O Please Can u find the physical states for this equation?
Monday, March 22, 2010 at 2:05pm by Khin

Physical Science
Physics + Chemistry = Physical Chemistry Biology + Chemistry = Biochemistry Organic Chemistry+Geology + Chemistry = Geochemistry Astronomy + Physics = Astrophysics Biology + Geology = Paleontology Geology + Astronomy = Astrogeology Biology + Astronomy + Physics = Astronautics
Friday, June 15, 2012 at 6:48am by Elena

chemistry
You are correct that it is A. Color, melting point, boiling point, size, density, etc are physical changes. b is a physical change as is c.
Monday, September 6, 2010 at 7:32pm by DrBob222

Physical Science
The physical properties of ice are different from the physical properties of dry ice (frozen carbon dioxide). But the physical properties of gaseous water vapor and the physical properties of gaseous carbon dioxide are the same. Why? A.) The valence electrons are more tightly ...
Monday, October 17, 2011 at 10:26am by Anonymous

Psychology
Will you please give me an article discusses the effects of optimism on physical and psychological health.(you may need to find two articles in order to cover both the physical and the psychological areas).
Wednesday, July 9, 2008 at 1:57pm by BaBa

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 ...
Friday, April 23, 2010 at 5:59pm by Help1001

chemistry
what are three chemical characteristics and ten physical characteristics so far for physical i have -color -taste -smell -size -luster -shape -texture is this what they are asking for?
Wednesday, January 7, 2009 at 6:17pm by lyne

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. Joint physical ...
Monday, June 6, 2011 at 9:09pm by sara

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. Joint physical ...
Monday, June 6, 2011 at 8:29pm by sara

chemistry
What is the physical state of Ca3(PO4)2 and the physical state of NaCl?
Monday, April 23, 2012 at 1:23pm by Marie

Chemistry
How do the physical properties of nonmetals differ from the physical properties of metals?
Tuesday, November 13, 2007 at 1:18pm by Lisa

physical
Below i copied the assignment but, I only need help finding a peer reviewed article about the effects of optimism on physical help. Can someone PLEASE help me fast? Here is the assignment.... Find a peer reviewed article which discusses the effects of optimism on physical and ...
Thursday, July 15, 2010 at 1:01am by QueenP

Chemistry
Is the following a physical or chemical separations: salt water --> water+ sodium chloride Do you change the composition of the water? Do you change the composition of the salt. I can't say which because you don't tell me how you separated them. For example, if ...
Saturday, September 9, 2006 at 10:38pm by George

chemistry
ok so im learning about physical and chemical change and im just lost. like for instance, if u are cooking an egg would it be physical cuz it changs from a liquid to a solid?
Tuesday, October 7, 2008 at 6:53pm by eao

Physical Edu
The principle of progressive overload is described by an improvement in physical fitness which requires a gradual increase in physical activity and working the body beyond accustomed levels. is it True
Tuesday, June 12, 2012 at 7:54pm by Andy

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 property. Either...
Thursday, February 1, 2007 at 3:38pm by Bryan

Chemistry. help please
http://www.chemguide.co.uk/physical/acidbaseeqia/theories.html
Monday, May 24, 2010 at 9:37pm by bobpursley

chemistry
# Now look at the piece of paper. Using your knowledge of atoms from the Nuclear unit, * Describe two differences in the physical properties of water and the piece of paper. * Describe reasons the paper's physical properties are different from the water's physical ...
Saturday, February 20, 2010 at 10:39am by Anonymous

10th grade
i neeed help determining whether the following changes are chemical or physical and why. i have some guesses but i wanted to have them verified. thanks. =) 1) mixing chalk and vinegar: chem. b/c it bubbles 2) mixing starch and iodine: physical b/c the iodine dissoles and the ...
Sunday, August 16, 2009 at 4:14pm by anonymous

physical education
Physical education is a sum of man's physical activities selected as to kind conducted as to outcomes.
Tuesday, June 14, 2011 at 2:05am by Ayan Adhya

chemistry
what are some physical changes? tearing paper, pouring water from one container to another, breaking a stick. This are physical changes because the starting product and the ending product are the same.
Thursday, January 25, 2007 at 6:36pm by amanda

physical fitness or sports
Name 10 career options in the fields of physial fitness or sport. I have come of with these: -physical trainer -player -coach -refree I need help. Can someone help me to come up with the other 6. And also please check if I am corect. Thanks for help!!!
Monday, January 19, 2009 at 6:52pm by jess

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 a
Thursday, February 7, 2013 at 3:25pm by noah

Physical Education
I just want to know what different branched there are in taking a major in physical education. I know you can go into teaching, athletic training, but I want to know if there are any other areas. Physical tharapy, Sports Medicine, Phisiology of astronauts
Saturday, December 2, 2006 at 6:48pm by Frank

Physical Science-please help
Could you please put this in layman's terms?
Wednesday, October 10, 2007 at 12:39pm by Sarah

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 patients on physical ...
Sunday, March 4, 2012 at 8:09pm by desha

chemistry
can you correct me if I am wronge 1.chemical 2.physical 3.chemical 4.chemical 5.physical
Tuesday, February 19, 2008 at 7:35pm by lizzie

Physical Education
The possibility "What if we designed a school that acknowledged the physical changes that these students are going through." Discuss what that possibility might look like in a physical education setting
Sunday, January 25, 2009 at 6:40pm by Sarah

chemistry
you can also order the UPCO's Physical Setting CHEMISTRY... it has many helpful equations and it will make it easier to study and understand evrything... plus the book is cheap too.
Monday, March 29, 2010 at 4:38pm by chemistry challenged

Editing
Gordimer chooses to emphasise more so the physical, as opposed to emotional, invasion of the Immortality Act. Could someone please edit that sentence? It bothers me because it sounds awkward, especially the "physical, as opposed to emotional, invasion" part. Is there...
Sunday, February 3, 2008 at 8:10pm by Student

chemistry
Classify the following properties of ozones as physical or chemical: 1.bluish color 2.pungent odor 3.reactive towards oxygen 4.decomposes to oxygen on exposure to ultraviolet light 5.it is a gas Is this correct? 1.chemical 2.physical 3.chemical 4.chemical 5.phsical
Wednesday, February 20, 2008 at 6:36pm by lizzie

chemistry
physical would be the first choice to me. Which physical property? Is it magnetic or not. Next would be color. Maybe I would have used color first, if the original looks like aluminum...
Wednesday, December 14, 2011 at 2:28pm by bobpursley

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 patients on physical ...
Tuesday, April 3, 2012 at 1:32pm by Destini

Changes in Matter
Which of the following everyday activities are physical changes, and which are chemical changes? a)salting ice on a driveway b)burning leaves c)mixing sand with soil d)composting cut vegetation e)using a glue gun a = physical b = chemical c = ? d = ? e = chemical Please ...
Monday, March 22, 2010 at 7:21pm by Sara

world geography
Which of the following statements is most accurate? 1.The physical environment has no effect on human activities, but human activities may affect the physical environment. 2.The physical environment does not affect on human activities, and human activities do not affect the ...
Wednesday, October 22, 2008 at 7:29pm by Alie

Chemistry
I think either of the below would be satisfactory. a) Chemical and physical properties for compounds are the same. b) Chemical and physical properties for compounds are not the same. These can be changed, easily, depending upon the kinds of tests you intend to do.
Saturday, October 23, 2010 at 5:44pm by DrBob222

chemistry ----------- chemistry
Changes in electrons are chemical; otherwise physical
Monday, October 1, 2012 at 2:08am by DrBob222

scientist
Physical properties can be anything like phase, boiling point, melting point, density, or other PHYSICal things.. Whereas, chemical properties can be its electronegativity, its energy of ionization, its entalphy, pH, or anything related with chemistry (its properties when it ...
Sunday, October 18, 2009 at 10:24pm by Andre

Philosophy
Oh, my! Is a person a compilation of his physical attributes? Is a person a soul temporarily enclosed in a physical body? Is a person a complex mixture of beliefs, accomplishments, hopes, dreams, personality, physical body, abilities, loves, hates, etc.? What do YOU think?
Friday, December 3, 2010 at 5:57pm by Ms, Sue

physical education
Write five challenges are facing teacher for physical education?
Friday, October 21, 2011 at 11:27am by Physical education

Health info
please check my answer thanks :) Mr. Jones, angry at Dr. Bob , throws a punch at him but misses. Dr Bob sues for battery. why will Dr Bob lose? 1.There was no physical contact 2. Dr Bob was not harmed I picked #1 no physical contact
Wednesday, November 14, 2007 at 2:32pm by Anonymous

just wondering...
I had an 89.3 first semester in chemistry, and I have an B right now... I am only a sophmore and I am thinking of applying to Grand Valley. Is it hard to get into the physical therapy major there?? thanks for your opinion i have been pondering on whether or not i'm smart ...
Thursday, May 29, 2008 at 10:18pm by sfdsajflkd

chemistry
volume, no mass, no melting point, no temperature, no flammability you may get arguments. If it burns, that is a chemical property. Some may say flammability describes the physical act of burning (and thus a physical property). I would go with flammability being a chemical ...
Tuesday, October 5, 2010 at 7:51pm by DrBob222

chemistry
I'm not exactly sure what you mean by "how do you tell" but the standard answer is that oxidation is the loss of electrons and reduction is the gain of electrons. If this is not the interpretation you have (if you want physical evidence of how you can tell) ...
Monday, December 12, 2011 at 7:46pm by DrBob222

physical chemistry PLEASE HELP!!!
how do i calculate a ratio of oxidised to reduced cytochrome c Fe2+ to Fe3+ given E(mV) at 25 C and pH7 as 100 and absorbance at 550nm as 1.5 E is relative to standard hydrogen electrode i dont know how im supposed to calculate it from this data
Wednesday, February 17, 2010 at 11:40am by lucy

chemistry
ok so then like ice would be physical cuz u can freeze and unfreeze as much as u would like. and the boiling water would be physical cuz evaporation changes back into water. is that right?
Tuesday, October 7, 2008 at 6:53pm by eao

science
can someone please help me with my homework i have to explain the difference between a physical and chemical change about what happens when a candle is alight. Please Help!!x could you get back asap x ThankYou x
Friday, October 20, 2006 at 2:34pm by Amy-Louise

physical
Help me please
Monday, February 21, 2011 at 3:44pm by Zanele

science
What are two chemical and two physical properties of water? Please help me. Thank you. physical properties: boiling point, freezing point,density, color, electrical conductivity chemical properties: reactivity with sodium. Reactivity and decomposition with electrictiy.
Sunday, June 10, 2007 at 11:30pm by Jj

Physical Science in Action
I need help with the scientific method for physical Science in Action and all I have so far is: Scientific methods in a circle and connecting circles with Scientific models , Experiments , observation and calculations and I have one circle left!! Please help ASAP
Sunday, August 16, 2009 at 6:00pm by Patsie

year 7 science
Chemical and physical changes. please could someone help me i need to say whether the following are chemical or physical changes and explain why. I`ve looked myself but i can`t find anything that helps. grateful for any help .thanks Frying an egg , burning paper , mixing a ...
Tuesday, April 29, 2008 at 9:05am by choccy

Physical Education
Well, kids develop physically at a different rate, and with differing physical skills. So that means, in any grade, there will be a wide disparity in sizes of kids, and a wide range of physical skills. So facilities ought to be numerous enough to accommodate a number of size ...
Sunday, January 25, 2009 at 6:40pm by bobpursley

Chemistry
I need someone to check these True or False questions for me please: 3. Dissolving salt in water is a physical change- F 14. Burning newspaper is a physical change- F 19. The liter is a measure of volume- T 20. The amount of heat and temperature of a substance are the same- F ...
Tuesday, October 19, 2010 at 12:18pm by mysterychicken

Chemistry - physical, chemical and nuclear process
A healthy human body maintains a temperature of about 37.00C. Explain how physical, chemical and nuclear processes all contribute, directly or indirectly, to keeping the human body at a constant temperature.
Sunday, February 27, 2011 at 8:53pm by Farah

Physical Science
Please!
Tuesday, November 1, 2011 at 7:39pm by Jill

Physical Science
Is it .8 m/s
Sunday, September 11, 2011 at 6:39pm by Jason (please help)

Physical Science
Thank you!!
Sunday, September 11, 2011 at 9:54pm by Jason (please help)

12
The new Physical Activity Guidelines for Americans allows a person to accumulate 150 minutes a week ________. A. By engaging in 30 minutes of physical activity for 5 days a week only B. By engaging in 50 minutes of physical activity for 3 days a week only C. By engaging in ...
Sunday, March 4, 2012 at 8:14pm by desha

Changes in Matter
Which of the following geological changes are physical changes and which are chemical changes? a)formation of a limestone cave b)creation of a canyon by a river c)wearing of rocks by wave action d)destruction of lakes by acid rain e)heaving of the ground by ice formation a = ...
Monday, March 22, 2010 at 7:26pm by Sara

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.
Friday, September 14, 2012 at 9:17pm by Rashmi

physical
name five benefits to health through physical trainning
Wednesday, January 23, 2008 at 1:28pm by tina

Physical Education
What is the difference between physical and motor fitness? Thank You
Monday, February 4, 2013 at 4:02pm by Juanita

physical
give a brief definition of the term physical education
Wednesday, May 12, 2010 at 1:12pm by Anonymous

Physical Science
Ductility, which is what you are talking about, is a physical property.
Tuesday, September 9, 2008 at 3:16am by drwls

physical science
What physical quantities are governed by the quantum numbers of an atomic electron?.
Friday, March 22, 2013 at 11:05pm by Dee

physical
why should a institions have a physical activity requirements for all students?
Tuesday, February 1, 2011 at 4:34pm by terrishea

7th grade
Are the physical geography and the physical characterstics of a place the same thing.
Saturday, April 4, 2009 at 2:17pm by Brooke

World Geography URGENT!
What are the physical landmarks and the physical land features of Switzerland?
Tuesday, February 19, 2008 at 4:57pm by Lisa

science
1)physical 2)not sure but would say chemical 3)most likely a physical
Saturday, October 6, 2007 at 7:43pm by Michele

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 ...
Tuesday, May 5, 2009 at 1:41pm by Sean

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
Friday, September 29, 2006 at 9:23pm by Lindz

physical or mental verbs
She approved the proposed marriage==this would be a physical verb right
Thursday, December 15, 2011 at 5:25pm by Tasha

Physical Science
Can you change it back to what you started with just by physical means? If so it is a physical change/property. If you need chemical means then it was a chemical change.
Tuesday, September 9, 2008 at 3:16am by Dr Russ

physical
what types of feedback can you have in Physical education and how do they help?
Wednesday, December 16, 2009 at 9:23am by sarah

Physical Science
Cosmos is the entire physical universe.
Wednesday, August 27, 2008 at 3:09pm by Anonymous

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