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February 6, 2016

Search: O-Chem 253

Number of results: 6,909

4th grade math
The drill team is selling cookies to raise money. It costs .78$to make each cookie. They sell them for$1.50 each. If they sell 253 cookies, how much profit will they make? Do I have to subtract the .78 from 1.50 then multiply that answer by 253? Or do i forget about the $1.... March 24, 2015 by reid Calculus Find a formula for the fourth degree polynomial p(x) whose graph is symmetric about the y-axis (meaning it has no odd powers of x), and which has a y-intercept of 10, and global maxima at (3,253) and (−3,253). April 7, 2013 by Dana math- check me Sung rented a truck for one day. There was a base fee of$17.99, and there was an additional charge of .90 cents for each mile driven. Sung had to pay $253.79 when he returned the truck. For how many miles did he drive the truck?$253.79=$17.99+.90 -$17.99 238.80=.90 divide ...
February 15, 2011 by Jena

chem need help
The most prominent line in the atomic spectrum of mercury occurs at a wavelength of 253.652 nm. What is the energy of 0.625 moles of photons associated with the most prominent line? Express answer in kJ. ANS: 295 kJ Please explain.. Thank you so much!
October 20, 2012 by Kjd

physics
A block of mass 4.253 kg is released on the track at a height 5.52 m above the level surface. It slides down the track and makes a head-on elastic collision with a block of mass 17.012 kg, initially at rest. The acceleration of gravity is 9.8 m/s2 . Calculate the height to ...
October 27, 2010 by paul

physics
A triple beam balance, like the scales we use every week in lab, works using rotational equilibrium. If a 253 g mass is placed on the pan, 1 cm from the pivot, and there are three masses, 1 g, 10 g, and 50 g masses on the other side can be slid back and forth between 0 cm and ...
October 18, 2014 by John

statistics
Each person in random sample of 247 male and 253 female working adults living in Calgary, Canada was asked how long, in minutes, his or her typical daily commute was. use teh accompanying summary statistics and an appropiate hypothesis test to determine if there is convincing ...
April 20, 2011 by BOB

Precalc
Can you simplify radical 253?
October 9, 2009 by MUFFY

algebra
how do you solve for y in the equation 1/y=(1/3)x^3-(253/12)
March 22, 2011 by charlie

Physics
A 6090kg space probe mobing nose-first toward Jupiter at 105m/s relative to the Sun, fires its rocket engine ejecting 80 kg of exhaust at a speed of 253 m/s relative to the space probe. What is the final velocity of the probe? I should have gotten 108m/s Can yoou show me the ...
February 2, 2007 by Tammy

Chemistry
If 2.5 g of NaOH is dissolved in 253 mL of water, what is the pH of the solution?
April 20, 2014 by Lilly

math
how do you say 0.253 and 7.632 in word form?
November 29, 2015 by Ciara

government- banking industry
What happened when the government deregulated the banking industry? Since this is not my area of expertise, I searched Google under the key words "bank deregulation" to get these possible sources: (Broken Link Removed) http://www.socialstudieshelp.com/Eco_Deregulation.htm http...
December 12, 2006 by Anonymous

math
Weekly pay: $253.07 Not married Exemptions: 3 What is the federal tax? February 21, 2014 by clark Chemistry Calculate the mass of a 0.253-mL sample of a liquid with density 0.789 g/mL January 21, 2015 by Drea Math Help Perform the calculation mentally 1. 90 + 247 + 253 + 110 2. 799 - 117 3. 25 × 25 × 8 April 16, 2010 by Raven business math Weekly pay:$253.07 Not married Exemptions: 3 What is the federal tax?
January 22, 2014 by Anonymous

math
The population is 2,253,291 in 2000 and 2,264,617 in 2001. What is the growth rate? Thanks!
April 27, 2008 by Charlotte

physics
A jet travels at 435 m/s. How long does it take to travel 253 m? Answer in units of s
January 23, 2013 by gera-pleaseeeee

physics
how many energy is transferred when 8.9g of liquid hydrogen changes to gas -253 degree celsius
July 31, 2015 by rosel

math
1,643,253 round to the nearest hundred thousand.is this the right answer 1,640,000
March 25, 2009 by queeneka

math.
1. 4.86/0.2 24.3 2. 2.52/0.7 3.6 3. 14.4/1.2 12 4. 17.1/3.8 4.5 5. 3.96/1.32 3 8. 1.296/0.16 8.1 10. 8.253/0.5 16.506 12. 1.50048/0.32 4.689 14. 4.4208/1.8 2.456 16. 160.3639/25.1 6.389
May 9, 2013 by Jerald

CHILD DEVELOPMENT
Which of the following budget items is usually given the lowest priority in running a child care facility? A. CLASSROOM MATERIALS B. SALARIES and BENEFITS C. MAINTENANCE D. SCHOOL EQUIPMENT salaries and benefits Since this is not my area of expertise, I searched Google under ...
November 24, 2006 by Karrie

Chemistry
How many moles of chloroform, CHCl^3, are required to fill a 253-ml flask at 100.0 degrees Celsuis and 940 torr?
March 14, 2011 by Nick

physics
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by 107 J of work (10.0 kW·h...
July 25, 2013 by Justin

physics
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by 107 J of work (10.0 kW·h...
July 26, 2013 by Justin

physics
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by 107 J of work (10.0 kW·h...
July 28, 2013 by Justin

physics
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of -20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by 107 J of work (10.0 kW·h...
July 28, 2013 by Justin

Math permutations
pi=(245)(1354)(125) 1) Write as a product of disjoint cycles. Ans: (14)(253) Is this correct? 2) Solve : pi^2, pi^5,pi^(-1) 3) What's the order of pi? and why?
November 24, 2007 by Rick

OCEANOGRAPHY HELP
Sediments composed of particles of one size are called ___________. I think it's well-sorted but am not sure. You are correct. See: http://72.14.253.104/search?q=cache:BtQzENSvQ4MJ:flightline.highline.edu/wmoses/Ocean101/OC101PowerPoints/Sediments.ppt+Sediments+%22particles+of...
November 25, 2006 by Pat

physics
The largest tension that can be sustained by a stretched string of linear mass density μ, even in principle, is given by τ = μc2, where c is the speed of light in vacuum. (This is an enormous value. The breaking tensions of all ordinary materials are about 12 ...
March 2, 2015 by barýþ

chemistry
49.5(0.506-x)(0.253-x)=4x^2 How to make it in quadratic equation Please help with step by step. thank u so much
September 27, 2015 by Bobby

Chemistry
What molarity of KNO3 should be used in order for dilution of 63.2 mL to yield 253 mL of 0.319 M KNO3?
October 25, 2012 by Kimber

Geometry
I need to find surface area of triangular prism-dimension of base is 9.9 by 6.2 distance between bases is 14.6 choices are: 436.278 466.97 332.94 253.46 Thank you
May 3, 2010 by Julia

physics
A bullet is ﬁred straight up from a gun with a muzzle velocity of 253 m/s. Neglecting air resistance, what will be its displacement after 2.9 s? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m
October 22, 2012 by Anonymous

health
how much dose smoking cost Ontario canada taxoayers because of health care? plz awnser asap! Your exact answer is at the following site page: http://72.14.253.104/search?q=cache:PFmJA0Kt4-EJ:councilarchive.region.halton.on.ca/cdm/cdm/rphs/rp2000/aghs0900/mo3400.pdf+%22smoking+...
December 7, 2006 by sam

Math
Round 1,643,253 to the nearest hundred thousand. I say it's 1,600,000 but the workbook says 1,700,000. Please explain.
May 21, 2010 by Aaron

SCIENCE
The_____________ of a portion of a lithospheric plate determines its final elevation. I can't find an answer. Since this is not my area of expertise, I searched Google under the key words "lithospheric plate elevation" to get these possible sources: (Broken Link Removed) http...
October 15, 2006 by Suzanne

Math
What is the maximum slope for a bridge on an interstate? Since this is not my area of expertise, I searched Google under the key words "maximum slope interstate bridge" to get this possible source: http://72.14.253.104/search?q=cache:_pnq5Gew-asJ:www.modot.mo.gov/...
December 11, 2006 by Carter

mgt 253
need to prepare rations for my own business but simply finding and listing the rations for the industry that your business will be in
October 28, 2010 by offy

Algebra
If you drive 253 miles on 11 1/2 gallons of gas, what is the simplified ratio of miles to gallons? ____ to 1?
July 3, 2011 by Lamont

Biology
Are IV fluids hypertonic, hypotonic, isotonic? The tonicity depends on what fluids are being used in the IV. Since this is not my area of expertise, I searched Google under the key words "IV fluids hypertonic hypotonic isotonic" to get these possible sources: http://www.efn....
February 27, 2007 by j

algebra
If you drive 253 miles on 11 1/2 gallons of gas, what is the simplified ratio of miles to gallons?
July 9, 2011 by Anonymous

AP CHEM
For the reaction A + 2B + C ----> 2 D + E the following initial concentration and initial reaction rates are found: [A]null (M) [B]null (M) [C]null (M) 0.150 0.150 0.150 0.275 0.150 0.150 0.275 0.564 0.150 0.150 0.314 0.253 0.193 0.314 0.217 initial rate wrt E (Ms^-1) 0.210...
February 25, 2008 by Gabe

chem
what are the other practical applications of Analytcal chem on being a medical technologist?
November 26, 2014 by Arielle

Acc. Algebra 2
Jan invested $1200 at a certain simple interest rate and$2200 at 3%higher. Her annual earnings were $253. Find the two interests rate if she earned$121 more on the larger investment than on the smaller.
September 3, 2013 by Lisa

chemistry
can you please give me some practical applications of qualitative chem and quantitative chem...
November 26, 2014 by Kara

Algebra
I'm totally confused help please?!? In 1990, 253 million people visited theme parks in the United States. In 2000, the number of visitors increased to 317 million people. What was the percent of increase?
September 20, 2012 by Claire

Chem 400
Direct reaction of solid iodine (I2) and gaseous chlorine (Cl2) produces an iodine chloride,(IxCly), a bright yellow solid. 0.678 g of iodine (I2) is mixed with 0.851 g of chlorine (Cl2). After the elements react, some chlorine is left over along with a single compound that ...
October 1, 2014 by Joey

Data management
1)SOLVE: a) 2nP3 = 2(nP4) b)6(n+1P2) = 3nP2 2) If (nC12 = (nC8), find (nC17) and (22Cn) 3)simplify. a) n(squared) (n-2)! - n(n-2)! / n! b) (nC2) - (nCn-2) 4)If nPr - 506 and (nCr_ = 253, find n and r. 5) If (28C2r)/(24C2r-4) = 225/11, find r.
October 27, 2011 by Jane

math
what is a number model? Since this is not my area of expertise, I searched Google under the key words "number model" to get these possible sources: http://www.minet.uni-jena.de/~novak/model.html http://72.14.253.104/search?q=cache:Jv_3THbD6vIJ:andean.kulture.org/owen/...
February 27, 2007 by Sydney

chem- drbob222 please help
my original question was: how do i figure this out?? How much heat does your body lose when 2.46 g of sweat evaporates from your skin at 25°C? chem - DrBob222, Tuesday, February 22, 2011 at 10:52pm q = mass water x delta Hvaporization. chem - Rebekah, Wednesday, February 23, ...
February 23, 2011 by Rebekah

social studies
Are the symboles of dimocracy important? should the government make more effort to maintain and explainthese symboles? What symbols of democracy? I can think of no symbols that are unique to democracies except a voter registration card, and even some non democracies have those...
November 13, 2006 by evelyn

math
a metal cutter was accurate to the nearest micron.about how many pieces of metal 0.8188 centimeters long could the metal cutter cut from a 32.253 length of metal?
February 5, 2015 by albert

physics
Salmon often jump waterfalls to reach their breeding grounds. Starting 1.77 m from a waterfall 0.253 m in height, at what minimum speed must a salmon jumping at an angle of 44.8 leave the water to continue upstream? The acceleration due to gravity is 9.81 m/s2 . Answer in ...
October 16, 2012 by scott

math
Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253
October 30, 2012 by Anonymous

Algebra1
Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253.
April 22, 2014 by Aly

math
I am having a difficult time calculating rates and unit prices. Can someone describe a simple process for using rates and unit prices that will help me understand these concepts? I searched Google under the key words "rates 'unit prices'" to get these possible sources: http://...
February 2, 2007 by jeff

psychology
What are the 3 c's of johnson and johnson described for safe and productive schools. Give an example of how this might work. What is the link that researchers have found between aggression and students conflict This abstract reviews the 3 c's. I'm sure you can think of ...
June 29, 2007 by LATUNJA JONES

Algebra
A scientist wants to research the potential spread of germs by contact. She knows that the number of possible handshakes within a group of n people is given by the equation N=1/2(n^2-n). Everyone at a party shook hands. There were 253 handshakes in all. How many people ...
April 30, 2014 by Pam

human biology
I need some information on the nephron and H+ ions. My book just has it in a diagram, but the diagram talks mostly about the K+ ion relationship. Can someone just give the gist of the H+ relationship with the nephron? thanks Since this is not my area of expertise, I searched ...
July 24, 2007 by jamie

O-Chem 253
I hydrolized the following compound: cis-norbornene-5,6-endo-dicarboxylic anhydride then took the cis-norborene-5,6-endo-dicarboxylic acid and added H2SO4 to it (warmed it up and cooled it) then added drop by drop water (then I reheated the mixture and crystallized it again). ...
June 8, 2010 by Dmitry

Science HELP!
when an electric current passes through water during the process of electrolysis, 2 gases are formed. one gas has a boiling point of -183 C and the other gas has a boiling point of -253 C. Has a physical or chemical change occured? Explain.
March 20, 2014 by #1Student

Science
when an electric current is passed through water during the process of electrolysis, two gases are formed. One gas has the boiling point of -183 C and the other has a boiling point of -253 C. Has a physical change or a chemical change occurred? explain.
October 15, 2015 by Myla

Physics
A pair of narrow parallel slits separated by a distance of 0.253 mm are illuminated by the green component from a mercury vapor lamp (λ = 545.1 nm). What is the angle from the central maximum to the ﬁrst bright fringe on either side of the central maximum? Answer ...
April 10, 2012 by Angel

chemistry
A volatile liquid was allowed to evaporate in a 43.298g flask that has a total volume of 253 mL. The temp of the water bath wad 100 °C at the atmospheric pressure of 776 torr. The mass of the flask and condensed vaporous was 44.173g. Calculate the molar mass of the liquid
April 10, 2012 by tiffany

chem
so i posted this question yesturday and got some help. which is the stuff below. can you look at the last thing i said which was the answer i got by doing what DrBob222 said to do and tell me if its correct.(the question is the first section) thanks chem - hannah, A salt ...
November 10, 2010 by hannah

chem
if a car produces 81g of {\rm CO_2}, how many grams of {\rm O_2} are used up in the reaction? the complete chem reaction is C2H6O+3O2--->2CO2+3H2O
October 19, 2012 by tracy

green valley college
automotive airbags inflate when sodium aside NaN3 Rapidly decomposes to its consistent elements. the equation for the chemical reaction is NaN3=Na+In2 The gaseous N2SO generated inflates the airbag. How many moles of NaN3 would have to decompose in order to generate 253 ...
September 23, 2015 by rosvel

Math
The table below shows the height (in inches) and weight (in pounds) of eight basketball players. Height=67 69 70 72 74 74 78 79 Weight=183 201 206 220 226 240 253 255 What is the correlation coefficient of the set of data? Round your answer to the nearest thousandth. a. -0.946...
January 25, 2016 by Kaai97

Biology
For each of the folliwng groups of animals (marine invertebrates, marine vertebrates, fresh-water animals & land animals) describe osmosregulatory probkems they face and how they cope with them? I think what you need can be found at the following 3 sites: http://en.wikipedia....
October 29, 2006 by Keisha

Algebra
I just need help setting up the equation - the rest I can do on my own: A man built a walk of uniform width around a rectangular pool. If the area of the walk is 253 square feet and the dimensions of the pool are 9 feet by 3 feet, how wide is the walk?
January 27, 2016 by Katie

Chem Help!
I really need help with this question for my chem H.W. 1) On a summer day in Breckenridge, Colorado, the atmospheric pressure is 525 mm Hg. What is this air pressure in atmospheres? (round to the hundredths place) atm
April 10, 2008 by Lisa

Math
I know if you type Alt + 253 it will give you an exponet. I was wondering if anyone knows how to type a radical symbol? Thanks HOLD ON ALT AND TYPE 251 AND LET GO RIGHT AWAY GIVE IT A SECOND AND THE RADICAL SIGN SHOULD COME UP
July 1, 2007 by Jess

math help
Tom was engrossed in his 340 page book. He stopped on page 127 at noon to eat lunch. He stopped on page 253 to eat dinner.How many pages did tom read during the afternoon
January 22, 2013 by jazzi

math
Tom was engrossed in his 340 page book. He stopped on page 127 at noon to eat lunch he stopped on page 253 to eat dinner.how many pages did tom read during the afternoon?
January 22, 2013 by jazzi

math
Tom was engrossed in his 340 page book. He stopped on page 127 at noon to eat lunch. He stopped on page 253 to eat dinner. How many pages did tom read during the afternoon
January 22, 2013 by jazzi

pre algerba
Tom was engrossed in his 340 page book. He stopped on page 127 at noon to eat lunch. He stopped on page 253 to eat dinner. How many pages did tom read during the afternoon
January 22, 2013 by jazzi

Physics
Suppose a nucleus of 93X236 fissions into two fragments whose mass ratio is 0.37:0.63. With the aid of the drawing, estimate the energy (in MeV) released during this fission. Ive treied to do this problem but i keep getting the wrong answer. I keep getting 164.253 MeV
August 1, 2012 by Beth

sociology
What kind of measures do sociologists use to calculate prejudice other giving a person an implicit association test? Essentially prejudice depends on how you divide people into "us" and "them" categories. There are various types of scales used (e.g., Likert-type scales and ...
October 13, 2006 by Cindy

math
How do you find the interest and the new balance on these charge accounts? Balance=$253.00, Payment=$12.65, Unpaid Balance=$12.63, Interest Rate per Month=1.6%, Interest= , New Balance= June 25, 2014 by Cristina Chem- bobpursley What mass of protons would be required to just neutralize the charge of 1.5 g of electrons? my teacher said .0015kg times 1e-/.00091e-27kg times 1pt/1e- times 1.67262e-27 over 1 p chem - bobpursley, Tuesday, September 21, 2010 at 6:48pm That is what I would do also. But I ... September 21, 2010 by Sara Pure Math How to plot a steam and leaf for the following data 0 0 11 140 152 253 257 309 392 419 541 644 751 770 810 897 1295 1340 1419 1482 1515 1719 1763 1891 2005 2127 2631 2988 3686 6726 11465 12917 14701 regards November 21, 2015 by Steam and Leaf Plot Physics Two forces, 364 N at 19° and 253 N at 32° are applied to a car in an effort to accelerate it. The resultant forces of these two forces is 558.72 N. What is the direction of the resultant force (in relation to forward, with counterclockwise considered positive, with -180° < ... November 12, 2011 by Steve Finance An employee makes an hourly rate plus any tips they earn. This tip employee made a total of$400 by working 28 hours last week. If $253 of their total earnings was their tips, what is their hourly rate of pay? January 17, 2014 by Brentney chem - br bob is this right What is the pH of a solution prepared by adding 4.000 grams of NaOH to a 50.00 mL of a buffer that is 2.00 molar both in acetic acid and sodium acetate? (Assume final volume is still 50.00 mL) * chem - DrBob222, Wednesday, April 21, 2010 at 10:52pm * chem - phil, Wednesday, ... April 21, 2010 by phil Chem What causes dispersion forces? Disperson forces are caused by an unsymettrical distribution of charge in the molecule, causing a net electric force. http://www.chem.purdue.edu/gchelp/liquids/disperse.html January 9, 2007 by Dennis Biology-squid anatomy Why do squids need to have three seperate hearts? Since this is not my area of expertise, I searched Google under the key words "Squid anatomy hearts" to get these possible sources: http://www.thewildones.org/Curric/squid.html http://en.wikipedia.org/wiki/Squid http://72.14.... April 15, 2007 by Morgan AP Chemistry In a chemical atomic weight determination, the tin content of 3.7692 g of SnCl4 was found to be 1.7170 g. If the atomic weight of Chlorine is taken as 35.253, what is the determined value for the atomic weight of tin from this experiment? I already know the answer, 118.64. It ... September 5, 2008 by John Gen Chem II Thanks for the information Dr. Bob. Would you be able to work it out so that I can actually see the steps with the numbers and follow from there. The question was on Vitamin K from Sunday at 2:44pm which you answered at 3:45pm. Thanks again. I am looking to get a tutor since I... February 11, 2013 by Nefret AP CHEM A secondary alcohol results from the attachment of a hydroxy group to which carbon atom? C | <---GIVEN STRUCTURE C1-C2-C3-C4 A) C1 B) C2 C)C3 D)C4 Answer is C! I have to explain why, but the teacher never taught us anything about organic chem. So please explain! April 5, 2013 by Anonymous Dr.Bob222 Chem I believe that you are correct because you have more experience in G-chem then I have. But how does doubling the reaction rate double the k value? Isn't k just a constant for a particular reaction? February 1, 2013 by Devron math A company's balance sheet shows total assets of$450,991, total current liabilities of $47,342, and total long-term liabilities of 150,509.Its total stockholder equity must be A.$197,851 B. $253,140 C.$300,482 D. \$450,991
January 18, 2011 by Jessie

Math
A cylinder fish tank has a volume of 301.44, a rectangular fish tank as a volume of 300, and a triangular prism tank has a volume of 253.75. Obviously the cylinder tank holds more water, but is there a mathematical reason why other than its bigger?
April 22, 2015 by Ben

chem org
dipole-dipole means? and diff between non polar and polar? is it really part of organic chem?
June 28, 2015 by jaydee

science
a 3.250 g sample of petroleum fraction was ignites in a Parr bomb under a 20 atm pressure of O2. all the sulfur was converted into SO3 and upon addition of water H2SO4 was formed. The SO4 was completely precipitated by addition of BaCl2, abnd precipitate of SaSO4 wt 253 mg. ...
June 8, 2011 by RRG

Chem 1
Write a chemical equation that shows how acid rain H2SO3 was produced from SO2 gas and water in a zip sealed bag? My chem. teacher never explained how to do this and I have several other questions on this type of subject. If you could help me out it would help me tremendously...
April 9, 2013 by Jess

physics vs. Chem
Doesnt physics seem to be harder than chem? Anyone?
October 24, 2010 by Kavi

math
Im good and all at math but I have a question this isn't tricky its like a math brain buster!Suppose you round each group of numbers to the nearest ten.which group of numbers all roundto the same number? A.423,418,426 B.376,378,384 C.255,253,251 D.688,692,696
February 22, 2010 by skye

window 2003 server
You are working on a Windows Server 2003 system that has just been installed by another administrator. The administrator completed the installation but did not make any configuration changes following the installation. While checking the maximum log sizes in Event Viewer, you ...
February 1, 2007 by ajay

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