chemistry help!

58,442 results

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

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.

chemistry/stiochiometry

could someone please answer my chemistry/stoichiometry questions below both "anonymous one just chemistry on todays date

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.

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 ...

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?

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?

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.

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...

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 is wrong, how do ...

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?

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 ...

Chemistry

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

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...

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

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?

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?

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.

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...

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 ...

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?

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.

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

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 ...

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 ...

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, create a career that ...

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 ...

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.

Chemistry

Why was Wohler's synthesis of urea significant to the field of carbon chemistry? Please help. Thank you.

chemistry

answers to latenite labs chemistry lab#9 stoichiometry by loss of CO2

chemistry

I need some help with making a solubility rule for CrO4 -2 for my chemistry homework.

chemistry

what else could you use the Volhard method in Chemistry for? like is it used in a certain context?

college chemistry

what major concepts makes chemistry useful in everday life?

Chemistry

Why a model of the atom is crucial to understanding chemistry and in explaining the behavior of matter?

chemistry

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

chemistry

hey i need help on finding a good oxidation chart for chemistry.

chemistry

Where would you find iron II sulphide outside a chemistry laboratory?

chemistry

Is Procion Red Dye a suitable model for chemistry lab?

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

Chemistry II

Why is YBa2Cu3O7 a super conductor? Explain Chemistry and Structural bases.

chemistry

I need help on a balance ionic equation in chemistry Ca(NO3)2 + NaOH

CHEMISTRY

how would a chemistry student make a 600 mL of 1.5 M solution of NaBr?

CHEMISTRY

how would a chemistry student make a 600 mL of 1.5 M solution of NaBr?

chemistry

what major concepts makes chemistry useful in everday life?

chemistry

where would you find calcium carbonate and sodium chloride outside a chemistry lab?

chemistry

where would you find iron II oxide and sodium hydrogencarbonate outside a chemistry lab?

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

Chemistry

What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

Chemistry

What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

Chemistry

What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

Chemistry

Does anyone know the answers to the Chemistry unit 4 lesson 11 ( Chemical Bonding ) test ?? In 11th grade

chemistry

what is the purpose of using an ice bath in organic chemistry when isolating the final product?

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.

Academic 4-year plan: Zoology

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

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.

chemistry .............chemistry

what color emission would you see if you heated each solution to an extremely high temperature? why

Chemistry

Why would a firefighter or a reporter need to understand chemistry?

previous chemistry.

can some one reply to my last chemistry post? thanks.

chemistry

can you tell me how can i make a chemistry working model for class 9

AP CHEMISTRY

Someone please answer my question below in AP CHEMISTRY.

Chemistry

Why is the mole considered an important quality in Chemistry? What does it allow us to do?

CHEMISTRY HELP

how can analytical chemistry help on different fields of sciences and technology?

Chemistry

Who used x-ray diffrection experiments for the periodic table http://www.chemistry.co.nz/henry_moseley.htm

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 ...

chemistry

can you give me examples of pictures just name it, ummm.. CHEMISTRY IN DAILY LIVING , TECHNOLOGY AND SOCIETY

chemistry

what does SPDF mean in chemistry on the periodic table? What is the PDO format in when writing a lab report? pls help

AP CHEMISTRY

Could someone please tell me where to find the 2008 AP Chemistry Multiple Choice for FREE ONLINE? Thank You in advance!

grade 12 chemistry

explain the concept of a “stock solution” and standard solutions as if you were explaining it to a friend who is not studying chemistry.

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.

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.

Chemistry

Tell me a website from where i can get full information regarding IUPAC nomenclature of organic chemistry. It's rules, inforamtion everything.

chemistry help

Describe how you would prepare 250.0 mL of a 0.500 M solution of NaCl by using apparatus found in a chemistry lab.

chemistry

Im brenda,n i found its hard copng in chemistry.im dng grd 11,n i wish 2 hv sm1 wo wil help m cope.tnx

chemistry

Hi I am in AP Chemistry and I did not take regulars chem so I have never done labs before and was wondering If anyone could give me examples on how to do a lab

Chemistry

For my Chemistry question it's about herbicide's What do they do? what are they intended for? what risk's do they pose in our society? how are they created? if anyone could answer these please thanks you!

Chemistry

describe how you would prepare 250.0 mL of a .500 M solution of NaCl by using apparatus found in a chemistry lab.

Chemistry! HELP

A chemistry student used the symbol "sx" to represent an s orbital that lies along the x-axis. Is this reasonable. Justify your answer.

Chemistry

What is the chemistry behind the ASA – FeCl3 reaction?

Chemistry

What is the chemistry behind the ASA – FeCl3 reaction?

chemistry

how do you add ph values of neutrals and bases in chemistry?

Chemistry --- chemistry ---

what is the difference between an atom and an ion ???

chemistry .....chemistry

what element include in the fireworks power ? why

chemistry

What is an open and closed sytem refer to in chemistry? thanks!

ap chemistry

WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST?

Chemistry

Could anyone give a web about 1.Practical arts 2.Greek theory 3.Alchemy 4.Plogiston 5.Modern Chemistry Thanks:-) Duplicate post.

Y9 chemistry

I need to answer a few questions fo my chemistry homework- 1.Why does the mass of copper sulphate decrease as a result of being heated?

Chemistry

Please help-I need to give at least three examples of how heat, solutions,equillibrium, nuclear and organic chemistry are interrelated. Thank you

Chemistry

Please help-I need to give at least three examples of how heat, solutions,equillibrium, nuclear and organic chemistry are interrelated. Thank you

Chemistry

Does anyone know a website with practice problems (and answers) regarding quantitative chemistry? I haven't been able to find anything on Google.

chemistry

According to Solubility guidelines chemistry reference table, which of these salts is least soluble in water? a- PbCl2 b- RbCl c- LiCl d- FeCl2

Chemistry

According to Solubility guidelines chemistry reference table, which of these salts is least soluble in water? a- PbCl2 b- RbCl c- LiCl d- FeCl2

chemistry

According to Solubility guidelines chemistry reference table, which of these salts is least soluble in water? a- PbCl2 b- RbCl c- LiCl d- FeCl2

Chemistry

I need to know how chemistry relates to sepsis (an infection where anitgens invade the red blood cells i think) I cant find any web sites to help me

chemistry

so all i do is add 273.15 to the temperature in celsius( sorry about the typo. i no i spelled chemistry wrong too)and then multiply/divide everything?

Chemistry

What is the highest number of bonds that one Carbon atom can make? 4 3 2 1 I'm thinking four but I probably am wrong-I'm not great at chemistry but I'm trying Thank you

chemistry

What is the chemistry behind the “Breathalyzer” test. I'm supposed to explain the chemicals and structures involved with the reactions which produce the positive and negative results

CHemistry

For the reaction 2 Na + 2 H2O -------> 2 NaOH + H2, how many grams of hydrogen gas are produced when 133.6 g of water are reacted? I am soooo confused in chemistry. Please help.

chemistry help

this isnt exactly a chemistry question, but i am doing chemistry homework with my calculator. and i want to know if someone can tell me how can i cube something with this calculator? TI-30X IIS? i wanted to post a pic but i cant post sites. i have this calculator can you tell ...

Chemistry

I need to perform a chemical demonstration on thermochemistry or kinetics or colligative properties for chemistry class. However I cannot have demonstrations involving fire.

Chemistry

Can anyone help me with some topics to write about on what chemistry has to do with mechanical engineering. Anyone's help would be appreciated because I really need to finish this 10 page research paper.

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