April 16, 2014

Search: Science, Chenistry

Number of results: 53,475

Science, Chenistry
If you have a tank containing 10,000L of water. what weight of CaSO4.H2O must be added to math the Ca+ concentration of 130ppm
Saturday, March 24, 2012 at 12:56pm by Jenn

See your post below.
Wednesday, January 19, 2011 at 9:08pm by DrBob222

Chenistry check
Thanks you for your time. People like you is what makes this site so good. Thanks
Tuesday, March 17, 2009 at 8:04pm by Mike

how many calories are required to melt a 135.0g sample of ice at 0.0 c
Wednesday, September 5, 2012 at 8:21am by barb

Science, Chenistry
in 10,000L water, that is 10E6 grams. So you must have 130ppm then 1.3kg Ca++ ion. moles Ca ion= 1300/40 now, find the weight (I assume the writer means mass) of CaSO4.H2O of that same number of moles.
Saturday, March 24, 2012 at 12:56pm by bobpursley

principles of chenistry
What mass of calcuim chloride is needed to prepare 3.650L of 1.75 M solution?
Saturday, October 16, 2010 at 10:45pm by 0karla

which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?
Sunday, April 7, 2013 at 3:56pm by judy

body organs
the bodys ongoing process of regulating the internal enviroment electrolyte balance blood chenistry temperature and so on is called
Sunday, May 16, 2010 at 3:43pm by robbie

If 33.7 grams of LiOH dissolve in enough water to make a 231-gram solution, what is the concentration in percent by mass?
Monday, March 21, 2011 at 10:01am by ilyrae

chemistry ---chenistry ---
Carbon (which becomes CO2) and hydrogen (which becomes H2O).
Monday, September 10, 2012 at 11:34pm by DrBob222

q cal = mas ice x heat fusion ice.
Wednesday, September 5, 2012 at 8:21am by DrBob222

If 1.55g of ptassiumhydroxide is dissolved in 20ml of water, what is the expected temperature change for water?
Thursday, April 7, 2011 at 10:55pm by Anonymous

How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4
Wednesday, January 19, 2011 at 7:30pm by Artie

How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4
Wednesday, January 19, 2011 at 9:08pm by Artie

How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4
Wednesday, January 19, 2011 at 9:14pm by Artie

how does the nutritional calorie compared with the calorie
Wednesday, May 19, 2010 at 3:59pm by nedra

Chenistry check
B it is. Look at the reaction. It is a single replacement. What is it replacing? It is replacing H; therefore, it must be above H and where it is with respect to Cl is immaterial.
Tuesday, March 17, 2009 at 8:04pm by DrBob222

chemistry ---chenistry ---
If it is assumed that a candle reacts with O2 ,in the air and the only products are energy , CO2 ,H20 ,what 2 elements must be present int he composition of the candle wax???
Monday, September 10, 2012 at 11:34pm by Maria

State whether each of these functions is symmetric, antisymmetric, or neither, with respect to the interchange of coordinates 1 and 2: (a) g(1)f(2) b)(r1-r2)e^-br12 where r1 and r2 are vectors describing positions of two points and r12 is the distance between them |r1-r2|
Tuesday, November 3, 2009 at 11:47am by jeff

4 moles Pb3O4 x (6 moles PbO/2 moles Pb3O4)= ??
Wednesday, January 19, 2011 at 7:30pm by DrBob222

Calculate the molarity of the following. 45 grams of Na2SO4 dissolved to make 500 ml of solution 30 grams of C4H8O4 dissolved to make 450 ml of solution
Thursday, February 11, 2010 at 9:12pm by keisha

Punnett Square for F1 Cross C Expected Genetic Outcomes F1 Parent, genes: _________ (student to fill in the blanks) alleles > alleles v F1 Parent, genes:__________ (student fill in blank)
Sunday, July 8, 2012 at 7:12pm by Cato

A 0.8870g sample of a mixture of nacl and kcl is dissolved in water and the solution is then treated with an excess of agn03 to yield 1.913g of agcl. Calculate the percentage by mass of nacl in the mixture 1.913g/ 143 = 0.0133 M agcl x/58 + Y/74 (0.887g-x) = 0.0133 Who helps ...
Sunday, January 19, 2014 at 12:31pm by Carlos

Chenistry check
Can someone check my answer? The question is: In order for the reaction 2Al(s) + 6HCl(aq)-> 2AlCl3(aq) + 3H2(g) to occur, which of the following must be true? a. Al must be above Cl on the activity series. b. Al must be above H on the activity series. c. Heat must be ...
Tuesday, March 17, 2009 at 8:04pm by Mike

Wednesday, January 19, 2011 at 9:14pm by DrBob222

25ml of a solution of na2c03 having a sepcific gravity of 1.25g solution of hcl containing 109.5g of the acid per litre for complete neutralization. Calculate the volume of 0.84N h2s04 that will be compltetly neutralized by 125g of na2c03 solution. In first part I understand ...
Sunday, February 17, 2013 at 1:22pm by Fai

It depends upon where you go to school and the teacher. For years, the nutritional calorie. was actually the kilocalorie (1000 calories) but everyone referred to it as the calorie. Those people usually then differentiated between the BIG calorie (spelled with a capital Calorie...
Wednesday, May 19, 2010 at 3:59pm by DrBob222

science science science science science science
pull of gravity between the moon and the earthh
Wednesday, April 18, 2007 at 5:31pm by snehal

science science science science science science
b. because the gravity of the pull is between the moon and the earth.
Wednesday, April 18, 2007 at 5:31pm by jj

science science science science science science
B. Pull of gravity between the moon and the earth
Wednesday, April 18, 2007 at 5:31pm by Anonymous

Have to answer these in a reflection. Help? How has science evolved over time? How is human ingenuity portrayed in sciences? In what ways have humans shaped science? In what ways has science shaped our lives? What would the world be like without science? In what way has ...
Tuesday, January 14, 2014 at 6:07pm by Rag

Using what you learned about science in your coursework thus far, discuss: 1. Why you think scientists probably want to leave what they do open to revision. 2. What are the hard-and-fast rules of science? Are there any? 3. With so few firm rules, how does science avoid ...
Saturday, October 30, 2010 at 2:05am by ca

M Na2CO3 solution (the 25 mL) is mols/L = 0.04935/0.025 = 1.974 M Na2CO3. The 1.974M Na2CO3 now reacts with 0.84N H2SO4(0.84N = 0.42M). How much Na2CO3. That's 125 g of the solution. The density of that solution is 1.25 g/mL. volume = mass/density = 125g/1.25 g/mL = 100 mL ...
Sunday, February 17, 2013 at 1:22pm by DrBob222

hi i need help with science well see my teacher told us that we needed to do a science fair project but i don't know what i should do..????? u think u could give me some ideas to do for a science project????
Thursday, February 21, 2008 at 8:15pm by justine

Environmental Science
We are being asked to identify reasons that an article is or is not science using the list of 8 characteristics of science. What are the 8 characteristics of science?
Sunday, October 5, 2008 at 9:47pm by Alexa

Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology *C-social psychology...
Tuesday, September 11, 2012 at 3:19pm by Lilly

As per the probability rule Total of all probability is 1 So, P(History)+P( English)+P( Science) = 1 1/3 + 1/6 + P( Science) = 1 P( Science) = 1- (1/3 + 1/6) = 1 - 1/2 P( Science) = 1/2
Tuesday, March 19, 2013 at 10:24am by Kiran

Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology *C-social psychology...
Wednesday, September 12, 2012 at 10:05am by Lilly

life science
life science is part of the three branches of science life science is the studies of all living things ?>< -
Friday, September 19, 2008 at 2:34am by delilah

I have to do a project with a science related career (that doesn't necessarily mean a scientist, but someone who uses science frequently). What do you call a scientist who studies the science of music? I've google this but I couldn't find any results, but I know they exist, I ...
Friday, April 24, 2009 at 8:18pm by Jeff

As a scientist, I recognize that cooking is mainly an art. The science is minimal (containing or destroying bacteria, breaking up protein with heat, and maybe some science in the biology of yeast in breads and cakes), but the main success of any cook is a art, not science.
Wednesday, September 9, 2009 at 9:15pm by bobpursley

Ms.Sue, Can you help me on mine? It is the science one. Just go to the list where it says current questions then you will see science then it will say This Girl. That is me. I really need help. I am starting to fail science and my semester is almost up. Thanks, This Girl
Thursday, December 6, 2012 at 1:41pm by This Girl

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? Life science, Earth science, and physical scicence.
Saturday, August 21, 2010 at 8:57pm by Jenny

Science Helpers
My science post is almost at the bottom and I need it to be checked urgently. I see science helpers on this site as of right now.--Can you please have a moment to look at my Science post. Thank you very much in advance:-)
Tuesday, April 6, 2010 at 8:33pm by Sara

consumer science or chemistry What is the field of science if I am dealing with the problem which detergent works the best?
Monday, December 4, 2006 at 5:59pm by bobpursley

I don't know science, but you might get some good responses from DrWLS or BobPursley or another science tutor.
Saturday, April 30, 2011 at 2:33pm by Writeacher

Mathematics, physical, science agricultural science, life science english
What it means to be a grade 12 learner?
Friday, February 18, 2011 at 8:36am by Anonymous

Which two of the 12 science processes do you feel are the most important for students to understand early in their science studies?
Tuesday, April 12, 2011 at 7:22am by brigida

Which two of the 12 science processes do you feel are the most important for students to understand early in their science studies?
Thursday, October 27, 2011 at 10:02pm by Chad

Earth Science
Technology focuses on machines or electronics to do something related to science and math, Science tends to focus the how, why, and understanding of it.
Saturday, September 12, 2009 at 3:40pm by bobpursley

I have to write a paper on what I consider to be "bad science" and proved an example of what is bad science such as something from the media, commericals, scientist's statement. I was wondering if someone could help me find an example of "bad" science Thank you
Sunday, May 25, 2008 at 1:12am by Amanda

give 3 examples of pure science vs applied science
Sunday, June 7, 2009 at 4:52pm by Matt

Science 7R Q2
sorry i not know that much science this was simple question but others be hard maybe u wait for science teachers to come online and they be help you.
Wednesday, January 18, 2012 at 8:35pm by Mohammad

Which two of the twelve science processes do you feel are the most important for students to understand early in their science studies. Defend your rational.
Friday, August 23, 2013 at 4:49pm by Candi

That would be one branch, and it is called physics. Whoever is defining the "main branches" of science in whatever course you are taking probably should not be teaching science.
Monday, August 30, 2010 at 5:39pm by drwls

What is science when it is applied? Science that is applied has several names: Applied Science Technology Engineering Construction
Monday, August 21, 2006 at 7:08pm by Hunter

Yes. The practical use of science is applied science.
Monday, September 17, 2007 at 7:47pm by Ms. Sue

physical science i'm doing this for a science fair and i need an idea of what i'll be doing
Saturday, December 8, 2007 at 9:49pm by anonymous

i know it's pyhsical science.....but the branches of it is science of matter and energy
Monday, August 30, 2010 at 5:39pm by lavena

What is the role can play integrated science in primary schools?
Friday, October 14, 2011 at 4:42pm by Science

what is the difference between science, non-science and psuedoscience?
Sunday, December 4, 2011 at 9:54pm by Anonymous

ummm... i can`t help you there... i think it is...false... again forgive me if i am wrong... my science teacher had a BIG chapter on cells... it was soooo boring... what grade of science are you in??
Tuesday, November 10, 2009 at 5:10pm by Tori

Science provides practical tools for understanding everyday life' Science advances critical thinking, problem solving, and creativity in early learners
Friday, March 29, 2013 at 9:35am by Knights

What is science is the question and btw Im in grade 8 so could u plz give an answer according to that like explain what is science first and then wht r its branches plzzz!!!
Wednesday, September 4, 2013 at 9:02pm by Daisy

math 12
Without any restrictions she could take C(17,9) different combinations or 24310 At least 2 science courses means we have to excluse 1. no science course 2. 1 science course 1. number of ways to take no science = C(5,0)xC(12,9) = 220 2. number of ways to include 1 science ...
Saturday, November 27, 2010 at 10:01pm by Reiny

Monday, May 7, 2012 at 3:29pm by Ms. Sue

Science -- needs help
You'd probably have your answer if you'd followed my instructions yesterday. I told you to use Science as your subject line. A science teacher is the best person to answer your question. Science teachers do not usually look at ela questions. We English teachers are not experts...
Monday, January 24, 2011 at 6:04pm by Ms. Sue

out of 250 students interviewed at a community college, 90 were taking mathematics but not computer science, 160 were taking mathematics, and 50 were taking neither mathematics nor computer science. Find the probability that a student chosen at random was a. taking just ...
Thursday, October 27, 2011 at 2:14pm by Emma

Any topic (writer's choice) Research paper Science 3 pages / 825 words Discipline: Science Type of service: Writing from scratch Format or citation style: APA
Tuesday, November 5, 2013 at 9:02am by mark

Monday, September 17, 2007 at 7:47pm by alex

How would you compare and contrast the three different teaching methodologies: expository, guided inquiry, and free discovery, in a science lesson with respect to a) the amount of learning likely to occur, and b) the amount of prescribed science content likely to be learned? ...
Monday, March 7, 2011 at 8:12pm by Anonymous

Good Lord. You are getting credit for "Science" by taking this course? This is strictly opinion, which has little value in science. See: Science..1. The intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and ...
Sunday, June 26, 2011 at 7:30pm by bobpursley

The usage of the word science has several branches, Notice we use science as a method of learning, of obtaining information.
Thursday, August 20, 2009 at 2:22am by bobpursley

What is the definition of Mathematics? a.adding and subtracting numbers b.the science of patterns and relationships c.the science of numbers d.a really hard subject
Sunday, September 12, 2010 at 3:15pm by David

The topics are spelled science and technology. Technology is the application of science to develop new products and solve problems. Another name for it is engineering.
Saturday, July 12, 2008 at 2:42pm by drwls

Engineering Science Project ideas and some thing cool interesting and new not that has been popular as a science project!!!!!!!!!!!!! Plz!!!!!!!!!!!!!!
Sunday, January 24, 2010 at 2:07pm by Edward

please help me i am in 4th grade and i need help on my science project. my science project is, is smiling contagious and i have no idea what to do for research and data
Sunday, November 25, 2012 at 7:59pm by kaylee

Science Olympiad
I don't know if you can help me but i am in science olympiad and i dont now what to bring for the second part of physical science lab. I already tried going on their website so that did not help.
Tuesday, November 17, 2009 at 8:25pm by Anonymous

How can you use technology in your elementary science instruction to help children in their inquiries? Name three children's literature stories. How can they help to support science concepts?
Tuesday, February 22, 2011 at 7:01pm by Anonymous

4th grade Science
My daughter is learning translation and rotation in science right now...what is translation in regards to science?
Monday, November 3, 2008 at 9:34pm by Katie

Science Fair
I really want to use that topic for the science fair I love science fairs. Btw we don't have that in my school.
Sunday, December 11, 2011 at 3:42pm by Lauren

earth science
See the other post. Also you can search at with varying search terms. Try these: current study earth science studying earth science now modern study earth science You can probably think of others.
Thursday, November 29, 2007 at 11:31pm by Writeacher

What is a good science project to do? I am in 8th grade and am studying earth science. I need to present the project in front of class. Im really nervouse.
Sunday, January 27, 2008 at 3:18pm by Katy

How can you provide relevant hands-on learning in a science classroom when few resources are provided by the school? How can you ensure student safety and involvement in the science classroom?
Wednesday, October 29, 2008 at 6:40pm by sally

I'm in 6th grade and I need help for my science project. I don't even know what to do. Any fun science projects for 6th graders?
Saturday, May 21, 2011 at 12:51pm by Marissa

I am SOOOO stuck on this science question!! It's not that hard but, science isn't my forte..... here it is...." If the mass of the brick is 50 grams and it's volume is 9cm cubed, calculate the density of the block using the formula D = m/v." HELP PLEASE!!!!
Monday, December 13, 2010 at 9:00pm by Rachel Bond

I think it uses both. First, when you collect data by observing the patients, it's discovery science. Then, when you make a specific hypothesis, it's hypothesis-based science. Is this correct?
Tuesday, August 2, 2011 at 11:59pm by dannytan2

What is basic science? What is applied science? What traits to people need to be successful in basic science psychology fields? applied science?
Tuesday, September 4, 2007 at 5:45pm by Christian

Intro to Physical Science
Define physical science Andrew: I went to 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

Hello I'm looking to do easy and fast science fair projects? Something environmental Science fair project if you can just suggest some websites thats fine also c:
Friday, December 7, 2012 at 7:31pm by Anonymous

english (gurublue or anyone)
I'm stumped on what seems to be a fairly easy question that has been asked of me after reading about "Mike Rose". I will summarize the story and provide the question that has given me the mental block. Simple story... Mike Rose as a kid didn't do well in grammar or mathematics...
Sunday, February 1, 2009 at 5:12pm by Joey

What part of science is genomics part of? and what should i list it as under in my science fair project
Saturday, February 9, 2008 at 8:51pm by Brooke

1) Which two of the 12 science processes do you feel are the most important for students to understand early in their science studies? Defend your rationale. 2 What do you see as some benefits to teaching and learning science through an inquiry approach?
Tuesday, February 15, 2011 at 10:43am by Anonymous

How do I read this: "Robotic" World of Computer Science. Gale, 2002. Gale Science in Context. web 8 Aug. 2012. i know this is a ciation but I need to incorporate it into asummary paragraph
Thursday, August 30, 2012 at 1:01pm by Vicky

science fair
I need to do a project for the science fair but I don't know what to do. My science teacher says it has to be like the water dancing on a penny, everything has to be the same but you have to change one thing. What can I do?????? HELP ME PLEASE :/
Tuesday, October 9, 2012 at 7:08pm by Molisa

science and social studies
actually i don't undrstnd history i don know why bt i hav probs in learniong dat n in science i don undrstnd nything bcs of my science teacher wat shud i do 2 understnd the 2 subjcts
Thursday, January 7, 2010 at 9:01am by mahima.k

the word environmental science
can Someone put environmental science in a sentence. like bob studyied environmental science. but i dont know what it means to well soihave to be spacific. can u help me?
Thursday, September 13, 2007 at 3:54pm by cole

maths, physical science , life science , geography
Hi I am in grade 10 , I am doing maths physical science, life science and geography, what jobs can I get into with those subjects
Sunday, January 19, 2014 at 12:45pm by zaakiyah

Associate in science covers several scientific disciplines. A person with this degree can go ahead and major in any scientific discipline. Associate in applied science covers the practical uses of science.
Friday, September 6, 2013 at 12:27pm by Ms. Sue

Science is the method we use to find out facts about our natural world. A biologist is a scientist who studies living things.
Saturday, October 26, 2013 at 10:25pm by Ms. Sue

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