# Science, Chenistry

32,868 results

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

chenistry
how many calories are required to melt a 135.0g sample of ice at 0.0 c

principles of chenistry
What mass of calcuim chloride is needed to prepare 3.650L of 1.75 M solution?

Chenistry
which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?

Chenistry
If 33.7 grams of LiOH dissolve in enough water to make a 231-gram solution, what is the concentration in percent by mass?

body organs
the bodys ongoing process of regulating the internal enviroment electrolyte balance blood chenistry temperature and so on is called

Chenistry
If 1.55g of ptassiumhydroxide is dissolved in 20ml of water, what is the expected temperature change for water?

Chenistry
How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4

Chenistry
How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4

Chenistry
How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4

chenistry
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|

chenistry
how does the nutritional calorie compared with the calorie

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???

chenistry
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

Chenistry
Be able to calculate the pH of a solution prepared by mixing 50.0mL of 0.200M NaH2PO4 (pKa2=7.20) with 50.0mL of 0.120M NaOH. I did work out a pH of 7.38 but I am not sure if i need to take into account any dilution of the mixing of solutions and do you need to know pKa1 to ...

Chenistry
Punnett Square for F1 Cross ¨C Expected Genetic Outcomes F1 Parent, genes: _________ (student to fill in the blanks) ¡â alleles > ¡á alleles v F1 Parent, genes:__________ (student fill in blank)

chenistry
this is confusing me so bad!! Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation: N2(g)+3H2(g)→2NH3(g) If you have 5.79g of H2, how many grams of NH3 can be produced? I said, 2/3 *5.79 = 3.86 but that's not the answer.. it says the answer ...

Chenistry
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 ...

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 ...

chenistry
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 ...

Science
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 ...

science
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 ...

Science
I'm really bad at Biology and Science in general. Chemistry and Physics will be difficult for me because I'm not good at the Science branch even though I study and work hard for Science/Biology. What can I do to improve?

Psychology
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...

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?

Psychology
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...

Science
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 ...

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? Life science, Earth science, and physical scicence.

science
The various groups who make up the US public have different expectations of science. How do these differing expectations of science affect the ways groups place trust in science? Describe one example of a controversial expectation that the author gives. Resnik, D. (2011). ...

Science
Science project ideas for science fair. I need to prepare a model for science fair. But I need some ideas about the major problems facing today's world. So that I can get idea for improvement in any area and to show this in science fair. Please get me know about the ...

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:-)

science
Which two of the 12 science processes do you feel are the most important for students to understand early in their science studies?

science
Which two of the 12 science processes do you feel are the most important for students to understand early in their science studies?

science
consumer science or chemistry What is the field of science if I am dealing with the problem which detergent works the best?

Mathematics, physical, science agricultural science, life science english
What it means to be a grade 12 learner?

Science
How does cell differentiation connect to other branches of science or STEAM (science, technology, engineering, art, mathematics)

science
i need help on my science project i have a science fair on march somethin please give me any ideas possible u know plz thanks. (0.o)

Science
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.

Science
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

science
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!!!

Maths,Science,Life science,Agri science.LO & Langu
name two institution/communty organizations that surpporting or giving redress to air pollution

science

science
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

Science
What is science when it is applied? Science that is applied has several names: Applied Science Technology Engineering Construction

science
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!!!!

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 ...

Science
give 3 examples of pure science vs applied science

science
what is the difference between science, non-science and psuedoscience?

Science
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? ...

Sciencies
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?

I don't know if you can help me but i am in science olympiad and i don't now what to bring for the second part of physical science lab. I already tried going on their website so that did not help.

Science
Engineering Science Project ideas and some thing cool interesting and new not that has been popular as a science project!!!!!!!!!!!!! Plz!!!!!!!!!!!!!!

science
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

Science
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.

Science
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?

science
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?

Science
May somebody help and explain please with 2 question explain why science is a continuous progression of study and y is the use of the inquiry process a practical way to approach science

science
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

probability
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 ...

My daughter is learning translation and rotation in science right now...what is translation in regards to science?

Science
Hello I'm looking to do easy and fast science fair projects? Something environmental Science fair project if you can just suggest some websites that's fine also c:

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...

Science
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

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 :/

Science
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?

Maths Lit, Agic Science, Geography & Life Science
Hi, Im in grade 10 in Ngodini High School at Mpumalanga. I'm doing Life Science, Agricultural Science, Geography & Maths Lit - I want 2 know that which career path I can do?

Science
science is the mixture ilearneed the science on the time she give my on fast day me is go for the killer and gave my juck on wag friends like the opportunity go as the preaper good life and good shade

Science
science is the mixture ilearneed the science on the time she give my on fast day me is go for the killer and gave my juck on wag friends like the opportunity go as the preaper good life and good shade

learning skills
According to the text, why should teachers of young children share science activities with parents? A. Everybody should know the facts of science. B. Parents want to learn science. C. Science relates to all aspects of a child's life. D. Parents are their children's first ...

using skills
According to the text, why should teachers of young children share science activities with parents? A. Everybody should know the facts of science. B. Parents want to learn science. C. Science relates to all aspects of a child's life. D. Parents are their children's first ...

science
THE PRACTICAL USE OF SCIENCE;APPLIED SCIENCE

English
1. I can't do the science project myself. It's too difficult? What does it refer to? #2 or #3? 2. doing the science project myself 3. the science project --------------------------------- 4. I'm going to Tom's house to work on the science project. 5. I'm going to Tom's house ...

science
What part of science is genomics part of? and what should i list it as under in my science fair project

psychology
What is basic science? What is applied science? What traits to people need to be successful in basic science psychology fields? applied science?

the word environmental science
can Someone put environmental science in a sentence. like bob studyied environmental science. but i don't know what it means to well soihave to be spacific. can u help me?

Math And Science for Young Children
After assessing your students, what question should you ask as you start organizing for teaching? A. What do my students know about this science topic? B. What is the appropriate science content that my students need to know? C. What do my students want to know about this ...

Science
Justin wants to be the captain of an aircraft carrier when he gets out of school. Which subjects should Justin study to help him prepare for his career? A.biomedical science and meteorology B.oceanography and paleontology C.chemistry and biology D.physics and computer science ...

Sciences
Why you think scientists probably want to leave what they do open to revision. What are the hard-and-fast rules of science? Are there any? With so few firm rules, how does science avoid becoming fiction? What might make science and its constant revising work even better?

Science Project suggestions??
I cannot think of an original science project idea. I would really like an original one instead of the online ones which have already have their own procedures and stuff. I would like to do a science project that is has to do with chemistry or computer science. Please help!

science
tell me about science apparatus They are used in science. You need a much more specific question to get a useful answer. For instance: What is the Hoffman apparatus, and how is it used?

Science
Is there any science fair contests I can partcipate??? I found this topic in gr 5th and I really want to use it for my science fair project this year but we don't have it at my school so I want to use it for a contest.

URGENT Science question
Justin wants to be the captain of an aircraft carrier when he gets out of school. Which subjects should Justin study to help him prepare for this career? biomedical science and meteorology oceanography and paleontology chemistry and biology physics and computer science*** Am I...

science
So the question is write down three examples of science in your everyday life. This was my answer: sound- compression wave, Baked goods- chemical reaction, Looking at mountains or ocean- earth science Please check my answer and see if this is good thank you

education
What can you major if you have associate degree in science. What is difference between associate in science and Associate of Applied Science?

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 a ...

General
This is a question to everybody: I was just wondering if anyone had any science related questions or things they wonder about that may require experiments. If you have any ideas please mention them. I need this for a science for a science fair project and have at most a 6 ...

Science
On the main sequence, what type will have life spans of about ten billion years? I took Earth Science last year so although I do not have them in front of me, I believe the are in the Earth Science Reference Tables (ESRT).

Psychology
Can the Bible and science co-exist without either losing its authority? How? In my opinion, the Bible teaches moral and spiritual precepts. It doesn't pretend to be a scientific text book. Science tells us how things work. I don't see a conflict between the Bible and science.

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

science
WHat branches of science fall under the environmental science umbrella? Go to Wikepedia...very good article on environmental science...they list sub-categories. Depending upon what is being investigated, there are many; such as chemistry, biology, microbiology, engineering, ...

science
pls. pls. pls. somebody help me...you see im on a science class and i don't want to go to the regular section, so pls.... give me an acrostic for the word "SCIENCE"

Science
What is the science of measurement 9 letter word. Thanks, Lindsey Hi there, I was able to find the answer online by typing "science of measurement" in quotes into the google search engine. I hope that helps. Thanks I had done that but without the quotetion marks. Thanks, ...

Science Project
Do people prefer higher priced chocolate bars considered a Science Experiment? I plan to test one low, med and high priced chocolate to 10 blind folded taste testers. My mom doesn't think this is science?

Science
What means Cells in Science? It depends on the context: In electricity, or chemistry, cells are sources of electrical energy. In life science, cells are the basic unit of construction for animal or plant life.

science fair ideas
PLZ help i have a science project due in less than a week and still have no idea what im going to do dose anyone have ideas for zoology science experiments?

chemistry!!!Need helpp!!!
Acid base Chenistry Homework help!? Histidine was electrophoresed in polyacrylamide at pH 6.0 with alanine (pI=6.0) and arginine (pka's 2.2, 9.0, and 12.5). At the end of the experiment, arginine had migrated toward the cathode 6.0 cm, alanine was still at the origin, and ...

SCIENCE PROJECT
I am interested in doing a science project on the math and science of different snowboarding tricks and techniques. Does anyone have advice and suggestions about how to do a project like this?? Please help! Very Urgent! Well you could do a nu,ber of different things. You could...

Creating High-Quality Centers
Which of the following statements accurately reflects what we know about facilitating science learning for infants and toddlers? A. It's important to have a science circle each week where the teacher demonstrates a science concept to the infants and toddlers. B. Infant and ...

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?

For 9th grade science, which would be easier to take? Environmental Science or Life Science? Thanks -MC

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