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April 19, 2014

Search: chem1 WORD PROBLEM!!

Number of results: 47,917

chem1 WORD PROBLEM!!
Pb has 82 protons, Fe has 26 and Cu has 29.
Friday, October 12, 2012 at 9:38pm by DrBob222

chem1 WORD PROBLEM!!
lead has an atomic number of 82;iron has an atomic number of 26; and copper has an atomic number of 29.how do the charges of the nuclei of these 3 elements compare?
Friday, October 12, 2012 at 9:38pm by tyneisha

chem1 WORD PROBLEM!!
6. how many grams are in 4 moles of Be (OH)3? 7.How many atoms are in 4 moles of C6H12O6? 8.how many moles are in 12.04x10 23 to the power molecules of hamburgers? 9. how many molecules are in grams of Helium gas (He2)? hint:convert then moles then moecules
Thursday, December 6, 2012 at 6:51pm by tyneisha

chem1 WORD PROBLEM!!
6. g = mols x molar mass. 7. 24 atoms in 1 mol; therefore, atom in 4 mols must be .....? 8. There are 6.02E23 things in a mole of things. 9. You didn't list any grams. But here is what you do. mols = grams/molar mass. Then mols x 6.02E23 = # molecules.
Thursday, December 6, 2012 at 6:51pm by DrBob222

chemistry
http://www.woodrow.org/teachers/chemistry/links/chem1/PolyatomicIonsChart.html Use the link above if you don't know the formulas. 1. NH4C2H3O2 etc Remember the positive charge must equal the negative charge.
Sunday, October 2, 2011 at 12:23pm by DrBob222

chemistry
You need to know the valences of the Na^+ (which is +1) and the valences of the anions. Chloride ion is -1. The others are listed at this site. http://www.woodrow.org/teachers/chemistry/links/chem1/PolyatomicIonsChart.html
Monday, March 24, 2008 at 1:25am by DrBob222

5th Grade Math
I didn't see how to turn that problem into a word problem on that page. Doesn't mean it's not there, I just didn't see it. She knows how to multiply the problem, it's coming up with a word problem that she can't see out of it. :)
Monday, February 24, 2014 at 7:59pm by Sara

Chem
I looked it up on a web site that calculate molar mass and it is listed as 282.221. tartrate anion is -2. You can tell it's -2, however, since K is +1 and Na is +1; therefore, C4H4O6 must be -1. Here is a chart that lists polyatomic ions, their charge, and their formula. http...
Monday, March 3, 2008 at 1:08pm by DrBob222

Chem1
-0.00377?
Monday, May 2, 2011 at 10:10pm by Ryan

chemistry
http://www.woodrow.org/teachers/chemistry/links/chem1/PolyatomicIonsChart.html
Tuesday, March 11, 2008 at 6:35pm by DrBob222

CHEMISTRY
http://www.woodrow.org/teachers/chemistry/links/chem1/PolyatomicIonsChart.html
Friday, September 10, 2010 at 2:19pm by DrBob222

chemistry
http://www.woodrow.org/teachers/chemistry/links/chem1/PolyatomicIonsChart.html
Thursday, February 9, 2012 at 9:41pm by DrBob222

MAT115
A Word problem teaches you how to think and tests your ability to understand what you are reading. Your way of stating the problem is easier to understand. But there is only 2 words in it. So it may or may not qualify as a true Word problem.
Thursday, July 22, 2010 at 12:44pm by Henry

Chemistry
nevermind, I figured it out
Sunday, April 22, 2012 at 8:50am by chem1

chemistry
Here is a reaction: 2Al+3H2SO4--->Al2(SO4)+3H2 determine the oxidation numbers of each element in both the rectants and the products of this oxidation reduction reaction of aluminum and sulfuric acid? Which element is oxidized in this reaction? Which element is rduced in ...
Tuesday, January 9, 2007 at 4:15pm by chrissy

math-word problem
The width of a rectangle is fixed at 21cm. What lengths will make the perimeter greater than 80cm. Please help with this word problem I do not even know where to begin.
Saturday, July 31, 2010 at 4:18pm by Michelle

Algebra
Word Problem: Jack mows the lawn in 4 hours, mary mows the lawn in 5 hours. how long will it take them if they mowed the lawn together? I have a hard time figuring out which formula to use to solve a problem in a word problem can anyone help and tell me how to set up the ...
Saturday, October 18, 2008 at 11:43am by Laura

Math
Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem. Once you find the solutions to your problems, rewrite the solutions as either a terminating or nonterminating decimal.
Monday, October 1, 2012 at 1:19pm by Christian

accounting
Hmmmmmm. The prompt does not say that word problem needed to be solvable? :) Try some of the following to see if you can get ideas: http://search.yahoo.com/search?fr=mcafee&p=for+accounting%2C+design+a+word+problem+involving+a+discounted+price Do you know what your teacher ...
Saturday, January 29, 2011 at 5:53pm by SraJMcGin

math-ms sue please
Ms Sue thank you for the help with my other word problem can you check this one for me? Write a word problem and find the solution to the equation. 1/2-2/3 THe answer is -1/6 and the word problem I created is: Janet put 6 suckers on a table. 3 suckers were watermelon and 3 ...
Wednesday, October 27, 2010 at 2:20pm by m

Chemistry
The + ion is simply the name of the metal; e.g. NaCl is sodium ion for the Na^+. For binary compounds (two elements to the compound such as NaCl), the anion takes the stem from the element. Cl is chlor-and add ide. Cl^- is chloride. Br^- is bromide, I^- iodide, etc. Here is a ...
Friday, November 23, 2012 at 10:16pm by DrBob222

Algebra
That's the problem. You see, if it had said how many kids or how many girls there are, that would have helped. I copied the problem word for word, so that's all there is. Maybe my teacher messed up and forgot some info. Thanks for helping! :)
Tuesday, October 28, 2008 at 4:18pm by Celina

pre-alg
I need help to create an addition word problem and a subtraction word problem using fractions. I need to show how to find the solution to each problem. Once I find the solutions to my problems, I have to rewrite the solutions as either a terminating or nonterminating decimal.
Wednesday, October 16, 2013 at 2:01pm by AudioslavedCobain182

9th grade math word problems
1. If Larry is 13 today and his sister is 5, add 3 years and Larry will be 146 and his sister will be 8. Here are some word problem tutorials. Look through them to see if you can find something to help you: http://search.yahoo.com/search?fr=mcafee&p=word+problem+tutorials That...
Thursday, April 7, 2011 at 4:51pm by SraJMcGin

Math
No. When a problem in percent is presented, often it has the word of in it. For example, in this problem, "His total deductions are 30% of his pay." When the word of is used in this manner, it means times. So 0.30 x 2080 = the amount deducted.
Wednesday, July 16, 2008 at 4:05pm by DrBob222

math word problem
thank you!! On this problem x - 3/4 + 1/6 = 17/12 can you help on where to take this problem on with the steps?
Thursday, October 21, 2010 at 10:11pm by Aly

Algebra Word Problem
My question is already posted, name pj , school subject, Algebra Word Problem
Sunday, November 16, 2008 at 1:23pm by pj

Business English
First of all, go through and correct the spelling errors and word choice errors. (Word choice is making sure you use the correct verb form for the sentence or the correct word, not another word that doesn't quite mean the same thing.) Do you have an English spell-checker in ...
Friday, November 11, 2011 at 2:30pm by Writeacher

math
write a word problem for 1/2 - 2/3 = and write a word problem for 5/12 - 1/3 =
Friday, August 28, 2009 at 1:19pm by Nat

Subsitution Method Grrr
Actuaally, it was a word problem and that's the equation I got out of it. Here is the word problem. Students sold 275 tickets for a fundraiser at school. Some tickets are for the children and cost $3 while the rest are adult tickets that cost $5. If the total value of all the ...
Tuesday, February 11, 2014 at 5:07pm by andra

Algebra
This isn't a question. This is a statement, telling you why a solution to a word problem should be checked to the original wording of the problem versus the equation written for the problem. This is because the equation, derived from the wording of the problem, could be wrong.
Wednesday, February 2, 2011 at 3:20pm by helper

word problem elementary reposed
I don't have any idea. I am bad at word problems
Saturday, August 8, 2009 at 9:06pm by Heather

Having some trouble...
I'm having some trouble answering the word problem for question #2 because the ending part confuses me in doing the steps at the begining of the word problem.
Sunday, November 23, 2008 at 4:23pm by Lisa

Word problem math
Word problem. You cut a 2 m long board into 2 pieces . One piece is 10 cm shorter than the other. How long are each boards.? I got. 1 pc at 80!cm. the other 1pc at 100 cm Is this right ?
Sunday, October 14, 2012 at 4:54pm by Marco

Chemistry
it doesn't say :(. that's the problem word-for-word
Sunday, March 28, 2010 at 12:16pm by Emma

english
What sentence uses italics, question marks, and punctuation correctly? ( I'm stuck on this problem) A, "How many r's are there in the word February"? B,"How many r's are there in the word February?" asked ty. c, "How many r's are in the word February," asked ty. D,How many r's...
Tuesday, February 4, 2014 at 10:58am by kitten

PHYSICS (HELP!!!)
Are you kidding me? I'm in that MIT online class too, and you copied the TEST problem word for word! Did you even bother to read the honor code?!
Friday, November 1, 2013 at 3:27pm by Anonymous

math
for the following equations, write a word problem draw a picture, and find the solution to the equation. 5/12 - 1/3=? I know the answer is 1/12 but am stumped on how to write the word problem and draw a picture
Wednesday, October 27, 2010 at 11:26am by m

Word PROBLEM
If an animal is (H) feet high at the shoulder, then the number (N) of steps per second that the animal will take can be estimated by N(h)=1.6h^-1/2. Estimate the stepping frequency of a dog that is 1.9 feet high. This is word for word what the question asked and it confused me.
Thursday, March 1, 2012 at 9:32am by KAYG

Algebra word problem/Splitting the Cost
The first step in solving a word problem is always to organize the information you have, and put it into equations to solve. Let c be the cost per student originally. The cost of the bus has not changed, so the cost/student * the number of students has not changed: 20c = 30(c-9)
Wednesday, October 5, 2011 at 8:56pm by Steve

math word problem
word problem need help: suppose you own a card shop. you buy one line of cards at a rate of 4 cards for $5. you plan to sell the cards at a rate of 3 cards for $5 how may carfds must you sell in order to make a profit of $100.00 i dont understand how to get answer can you help
Saturday, September 8, 2012 at 3:49pm by marko

Algebra word problem/Splitting the Cost
Oops! Sorry -- I didn't read the word "by." Please repost your question so a real math tutor can respond.
Wednesday, October 5, 2011 at 8:56pm by Ms. Sue

elementary
write a problem write a word problem involving the number of pages in a book.then write the numerical expression that you would need to use to solve your problem.
Monday, October 29, 2012 at 5:23pm by swetha

chemistry ASAP
It's far to taxing to write all of the rules of nomenclature on this board; however, I can give you some starting points and give you a link or two to read. First, for salts, name the cation first and the anion second. http://www.woodrow.org/teachers/chemistry/links/chem1/...
Wednesday, November 2, 2011 at 6:13pm by DrBob222

5th grade
Seven letter word second word an a fourth word an e , sixth word an u, what is this word?
Tuesday, December 9, 2008 at 9:57pm by Afifa

Math word problem
I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...
Wednesday, August 27, 2008 at 8:46pm by Tiffany

English
Identify and choose the one underlined word or phrase that should be corrected. What is the meaning of above sentence?Will i find a word which is incorrected in the sentence? In my(A) opinion they aren't(B) going nowhere(C) special because of(D) financial problem(E). In this ...
Saturday, June 18, 2011 at 7:52am by Bayarbold

Chemistry
That's actually word for word from the problem. That's why I've been having so much difficulty with it. The answers were given as 0.37 V, -36 kJ, and k = 2x10^6. I just want to understand how it's possible.
Tuesday, May 11, 2010 at 2:30pm by Julie

college Math Word Problem
The correct answer to this problem is 2.297 x 10^4
Sunday, October 5, 2008 at 3:54pm by Shonte

Algebra
Thanks so much I can take it from there. I have problems converting a word problem to a math problem.
Wednesday, August 11, 2010 at 6:24pm by Misty

math..word problem
oops, i misread the problem
Wednesday, July 1, 2009 at 5:15am by y912f

math
Can someone please help me with this word problem!?! I know the answer which is 784 feet. But I have no clue how to solve it. Can someone please show how to solve this problem? The word problem is: The melt in Your Mouth Chocolate Factory is a rectangular building. The ...
Tuesday, September 4, 2012 at 9:18pm by aaron

College Algebra Word Problem
Thank you so much, I feel confident that I can tackle this type of problem now.
Tuesday, September 23, 2008 at 9:33pm by Marlon

math compare
word problem the temperature at 3am was -17.3F by noon the temperature was -17.8F. at what time was it the coldest? i said -17.8F is that right? word problem sam is 5/8" taller than jackie. Shelly is 0.7 in taller than Jackie. who is the tallest? i guessed is it Jackier ?
Thursday, December 8, 2011 at 10:14pm by marko

college Math Word Problem
Simple division problem 1.998x10^27/(8.7x10^22) = 2.3 x 10^4
Sunday, October 5, 2008 at 3:54pm by Reiny

ALG2! WORD PROBLEM! PLZ HELP!!
missing information e.g. how many employees ? Did you see the solution I gave to your other problem?
Wednesday, November 28, 2012 at 8:49pm by Reiny

English
Well, the problem is that I see no bold-face typed word in the post. Without knowing which word you are to work with, I'll not guess. Please identify it by underlining it perhaps or putting it in parentheses? Sra
Monday, April 5, 2010 at 9:46am by SraJMcGin

algebra d=rt word problem
Ahh, I kept reading the problem wrong and thinking it said 1/2 the time rather than a 1/2 hour less time so I was setting up the problem with 36(t/2) instead of 36(t-1/2). Thanks for your help!
Thursday, February 26, 2009 at 8:05am by mark

accounting
Write a word problem involving a discounted price. Describe the situation and pose the question, but DO NOT SOLVE the problem.
Saturday, January 29, 2011 at 5:53pm by catrina

Poetry
I need to write a poem with the word ALGEBRA but the only problem is that my teacher wants complete sentences with each letter instead of a word for a letter. Can you please help?
Sunday, September 13, 2009 at 7:49pm by Mark

ALG2! WORD PROBLEM!
define a variable and write an inequality for each problem.then solve. Nineteen more than a number is less than 42.
Thursday, October 4, 2012 at 8:48pm by tyneisha

al gebr word problem MATH
the answer is going to be 3.5 hours because if u do the problem on paper carefully u will understand it just like i did
Wednesday, October 26, 2011 at 9:23pm by lion

al gebr word problem MATH
the answer is going to be 3.5 hours because if u do the problem on paper carefully u will understand it just like i did
Wednesday, October 26, 2011 at 9:23pm by lion

Word Processing
I'm a GranMa in my 60's trying to learn Word/Windows. I started with the 2nd course and have had only this one problem in 3 weeks so that is good. I don't think the answer to my problem is in the book for THIS course. I can't figure out how to use the commands with the ...
Thursday, October 11, 2007 at 9:10pm by GranMa Cee

math
2.-The longest one-word name of any place in America is Chargoggagoggmanchauggagoggchubunagungamaugg.This name for a lake near webster, Massachusetts, is 45 letters long. It is a Native American name that means "You fish on you side, I'll fish on mine, and no one fishes in the...
Saturday, January 29, 2011 at 6:12pm by Luis

simple interest
What is the amount after 1 year on $315 invested at 7%, if interest is simple interest? Multiply $315 by .07 to find the interest earned. Add this figure to $315 to find the total at the end of one year. this doesnt help me!i need to know this and they gave me is to solve a ...
Wednesday, March 28, 2007 at 12:04pm by victoire

Chem1
The reaction N2O5 --> NO3 + NO2 is first-order in N2O5 and has a rate constant of 0.058/s. Calculate the rate of reaction when the concentration of N2O5 is 0.065.
Monday, May 2, 2011 at 10:10pm by Ryan

math
Create your own word problem that uses a system of equations to solve. Your problem must include the following words: beach,hammock,dance,and troll.
Thursday, February 24, 2011 at 4:57pm by Nick

Science/Math
Word Problem page 19 John and Al are in a 15 km race. John averages 4.4 m/s during the first half of the race and then runs at a speed of 4.2 m/s until the last 200 m, which he covers at 4.5 m/s. At what average speed must Al run to beat John? The textbook that included the ...
Sunday, September 29, 2013 at 7:04pm by Walter

Math Word problem
I did the problem this way. Beach scored 3 + 3 = 6 The opponents scorred 7 + 2 + 4 = 13 13 - 6 = ?
Tuesday, September 1, 2009 at 8:12pm by Ms. Sue

science
What is an acrostic poem for the word mesozoic? (must represent the word as you go as in the word relating to that word(: PLEASE RESPOND ASAP!!!!!!!!
Wednesday, January 9, 2013 at 9:33pm by Laycee Montgomery

algebra
explain why a solution of a word problem should be checked using the original wording of the problem and not the equation written from the wording
Tuesday, April 12, 2011 at 6:08pm by k

math word problem
I have no clue as to how to tackle this problem. Two standard six-sided dice are rolled. The product of their outcomes is computed. Which of the following numbers is most likely to occur? 4 6 7 8
Tuesday, May 25, 2010 at 10:16am by M.A.

english
do i type in the root word for example [agr] in the search bar and then the word that start with the 3 same letters in the word is the word i use to look up
Thursday, October 2, 2008 at 6:52pm by Niqua

Algebra
Not understanding the question. Why a solution of a word problem should be checked using the original wording of the problem and not the equation written from the wording.
Wednesday, February 2, 2011 at 3:20pm by Cindy

word unscramble
i need help unscrambling this word yos the second word is power here is the word levabira it has something to do with thawing out food in da microwave
Thursday, September 28, 2006 at 3:34pm by alex

math,algebra
I have to make a word problem with a real life situation that follows a linear equation i have to come up with the independent variables being years.Then i have to create an equation or inequality that could be used for analysis, prediction, or decision making.then, draw the ...
Sunday, January 14, 2007 at 7:15pm by jasmine20

math
write a word problem involving the number of pages in a book. then write the numerical expression that you would need to use to solve your problem.
Monday, January 26, 2009 at 1:36am by michelle

ALG2! WORD PROBLEM!
define a variable and write an inequality for each problem.then solve one half of a number is more than 6 less than the same number.
Thursday, October 4, 2012 at 10:12pm by tyneisha

Math word problem 2
You are really good. Thanks. I really appreciate the breakdown of the problem.
Sunday, November 9, 2008 at 3:37pm by Shawn

algebra phyics word problem
ok but this is in algebra mathword problem about physic
Saturday, October 15, 2011 at 6:51pm by marko

Math
How do you create a word problem using unit rate? Please check the explanation at this site -- http://www.321know.com/rat-unit-rate.htm One of the most common word problems might be -- George averages 60 miles per hour when driving on a highway. How far will he go in three ...
Tuesday, January 16, 2007 at 4:36pm by Tom

Huge Math Word Problem
Wow, then why was that even asked as a problem? Also, what about the second part of my question? If the house is judged at 85,000, what is the value of the first year's depreciation?
Friday, October 9, 2009 at 6:45pm by Anonymous

chemistry
I need to convert a word problem that I was given into a balanced chemical equation and cannot figure out how i was type it. The problem is: Nitrogen and hydrogen gases react at extreme temperatures and pressures. Any help?
Sunday, January 8, 2012 at 12:57pm by Zoe

prefixes,suffixes,roots
do i type in the root word for example [agr] in the search bar and then the word that start with the 3 same letters in the word is the word i use to look up
Thursday, October 2, 2008 at 7:30pm by Niqua

Word Problem
What is the largest area tht can be enclosed? This is not just a calculus problem it's a zoning problem. If the city's Zoning Board doesn't approve the type of fencing the developer wishes to use, then the largest area that can be enclosed is exactly 0 feet.
Wednesday, October 10, 2007 at 8:57pm by Tom

Phyics Word Problems
The airplane problem is correct.The horse speed is 10 km/30 min which would make it 20 km/hr. That is solved as 10km/0.5hr = 20 km/hr. The problem doesn't ask for a particular unit. The third problem I will leave for others.
Monday, September 3, 2007 at 11:25pm by DrBob222

Algebra Word Problems
There was nothing. I gave the whole problem. I did some problems earlier and was ok We never studeied this type of problem and I get confused when new shows up.
Sunday, December 13, 2009 at 7:38am by mike

Math
Need some help on a word problem. It has a storage chest. The dimensions for the top of the chest are 28 in wide, 46 in long, and 1 in high. The bottom of the chest is 28 in wide, 46 in long, and 17 in high. The word problem is Cynthia packs the chest with sweater bags that ...
Tuesday, February 28, 2012 at 7:48pm by Brandi

English
1. Put two scrambled word pieces together and make one complete word. 2. There are scrambled word piece cards on the table. Find two scrambled word pieces which can become a word. 3. Combine two scrambled word pieces with each other and make a sentence. 4. Choose one word and ...
Monday, August 31, 2009 at 11:04pm by John

chemistry
Phosphoric acid and barium hydroxide solutions mix to form water and solid barium phosphate. Write the word equation, skeletal equation, and the balanced equation for this word problem.
Wednesday, March 3, 2010 at 9:20pm by Joe

Statistics
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in seconds, round-off to...
Monday, February 28, 2011 at 4:58pm by Jon

Statistics
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in seconds, round-off to...
Monday, February 28, 2011 at 4:59pm by Jon

Statistics
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in seconds, round-off to...
Monday, February 28, 2011 at 4:59pm by Jon

Statistics
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in seconds, round-off to...
Tuesday, March 1, 2011 at 4:45pm by Jon

Ms Sue help word problem
In last Saturdays parade Tom counted a total of 76 bicycles and tricycles, for a total of 227 wheels. How many tricycles were in the parade? word problem - Marko, Thursday, September 29, 2011 at 10:31pm i go 75 tricyles x 3 = 225 wheels 1 bike x 2 = 2 2wheels total of 227 ...
Thursday, September 29, 2011 at 10:54pm by Marko

maths
This problem is a permutation problem. The hint is given in the word "arrangement." However, you could make this to a combination problem by multiplying by r! (since nCr=(nPr)/r! and multiplying it to r! would give you nPr). To do this problem, you have how many can you choose...
Friday, October 19, 2007 at 6:14pm by Anonymous

Math Word Problem
Please help with this math word problem: Jamal has a 5X7 picture that he took on his summer vaction and he wants to use a photo copier to enlarge it to an 8X10 picture. To enlarge Jamal has to specify a percent between 50% and 200% on the copier. Explain 2 different ways Jamal...
Tuesday, August 28, 2012 at 7:45pm by Please Please Help

Math
Can someone explain to me the rules of distribution. I have a word problem which asks my opinion of applying distribution to each problem but I don't completely understand distribution and when it is applied and when it isn't.
Saturday, November 14, 2009 at 10:46am by Anonymous

chem word problem
Plug in the numbers. What else? P1/T1 = P2/T2 If you have a problem identifying the numbers to use in each position, please detail exactly what you don't undertsand about the process.
Thursday, May 23, 2013 at 9:46am by DrBob222

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