# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 314-
## physics

A 0.5 Kg mass is supported by a SPRING . The system is set in vibration at its natural frequency of “ 4 Hz “ with an amplitude of “ 5 Cm “ . Find the spring constant .

*asked by sand on January 9, 2012* -
## Physics

For the system of two crates and a pulley in the figure below, what fraction of the total kinetic energy resides in the pulley? (Assume m1 = 14 kg, m2 = 10 kg and mpulley = 5 kg.) (( o )) | | | | [m1] | [m2]

*asked by Sarah on April 1, 2014* -
## physics

four particles each of mass 1kg at rest of four corners of a square as shown in the fig . find the coordinates of the mass of the system

*asked by sinta on October 12, 2012* -
## pre-calculcus

Name all the values of x that are not in the domain of f(x)=2-x^2/x+5. Answer: x= -5 2)Find the minimum value of f(x,y)=2x-y+2 for the polygonal convex set determined by this system of inequalities: x >/= 1, x

*asked by lucy on August 27, 2008* -
## Healthcare

I need some suggestions on a proposal for a new health care system. I am having a hard time coming up with an idea to write a paper on. Any suggestions?

*asked by tonya on August 21, 2009* -
## science

Which is not part of your immune system's response to a disease-causing organism? vaccination recognition disposal immunity vaccination right

*asked by Anonymous on January 30, 2016* -
## physics (mechanics)

the potential energy of a system of two particle separated by a distance r is given by u(r) = A/r , where A is constant . find the radial force Fr that each particle exerts on the other

*asked by asnke on January 5, 2017* -
## math

Q: Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of six on his next term and then a sum of ten to land on to the next two bonus spaces. what is the probability that Corbin will roll a sum

*asked by dingbat on March 9, 2013* -
## English

Could you please help me express sentence 1. We have to consider the fact that groups of 10 students will be working on biodiversity in each school of the three schools separately and at the end they will compare their results. 1) Task organization and

*asked by Henry2 on February 3, 2012* -
## math

In the 400 meter dash runners stay in their lanes the entire distance around the track. If the runners would all start at the same line (the finish line) only the runner in lane 1 would be running 400 meters. Everyone else would be running a greater

*asked by Abbie on August 1, 2016* -
## English

Are these right? IF not please help me understand them thank you. Identify the sentence that most strongly relies on emotional language. It took a lot of work, but we finally got the job done. With hard work and dedication, we got the job done.** We had to

*asked by Missy on May 13, 2015* -
## physics

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? W1 is zero, and W2 is positive W1 = - W2 W1 is positive, and W2

*asked by Cameron on January 11, 2017* -
## Biochem

Assuming that the value of the equilibrium constant for the aldolase reaction Keq=6.43*10^-5 at pH=7 a.) What will be the equilibrium concentration of dihydroxyacetone phosphate (DHAP) if 1 mM of fructose-1,6-biphosphate is added to a buffered solution

*asked by Obert on January 30, 2008* -
## Chemistry

In photography, unexposed silver bromide is removed from film by soaking the film in a solution of sodium thiosulfate, Na2S2O3. Silver ion forms a soluble complex with thiosulfate ion, S2O32-, that has the formula Ag(S2O3)23-, and formation of the complex

*asked by Anonymous on March 9, 2015* -
## Calculus

Solve for x log(base6)(x+3)−log(base6)(x−5)=2. I tried to factor out the log(base6) and got (x+3)^x/(x-5)=2, but I don't know how to solve that...

*asked by Ann on May 18, 2014* -
## Simple Rate of Return

(Ignore income taxes in this problem.) Dum Luk & Stoo Pid has invested in a machine that cost $70,000, that has a useful life of seven years, and that has no salvage value at the end of its useful life. The machine is being depreciated by the straight-line

*asked by Help!!! on December 13, 2006* -
## The Simplex Method

A student earns $10 per hour for tutoring and $7 per hour as a teacher's aide. To have enough free time for studies, he can work no more than 20 hours per week. The tutoring center requires that each tutor spends at least three hours per week tutoring, but

*asked by Jammy on November 29, 2016* -
## painting

Discuss a minimum of two reasons why Jackson Pollock's style of painting, as exemplified by Convergence, is considered an important, innovative development in the history of painting. To see this painting, locate it in the unit’s Resource List. Imagine

*asked by Anonymous on September 23, 2010* -
## science(chem)

I have a question about compounds that oil out of solvents after drying. How would I analyze this? Could I make a KBr pellet, or would I just be able to analyze it in UV spec? I assume that the solvents used to dissolve the compound, would be used as a

*asked by ~christina~ on May 5, 2009* -
## Chemistry

Hi! I'm in chem class and I don't know the answer to these questions I have several metal alloys and have to tell their general elements that make them up for example bronze - copper and tin What is the elements that make up Pewter? Also I was woundering

*asked by HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! on March 10, 2009* -
## Math (trigonometry)

How do you get the second triangle when you have an ambiguous case of sine law? For example, if you are given the following information for a triangle: a = 7.2 mm, b = 9.3 mm,

*asked by Sammy on December 2, 2012* -
## Chemistry

Hi, I'm trying to solve some chemistry problems, like the ones my teacher says will appear on our exams. The problem reads like this: What is the hydrogen conentration in a bleach sample that register 9.55 using a pH meter? My Attempt: Since this sample

*asked by Cliff on December 13, 2010* -
## English

Which one is the correct sentence? If they both need grammar work do tell. a)This gives evidence that people will work hard, but will never receive a fair deal for their effort. OR b)This gives evidence that people will be working hard, but will never

*asked by Alice on March 14, 2011* -
## Dr.Bob

A 100.0 mL sample of 0.05 M NH3 is titrated with 0.10 M HCl. Determine the pH of the solution after the addition of 50.0 mL HCl. Here is my work: NH3 + H3O+ --> NH4+ + H2O Before Addition: NH3= 0.005 mol H3O= 0 mol NH4+ = 0 mol Addition: NH3 = 0.005 mol

*asked by Nevaeh on April 16, 2016* -
## Trigonometic

Solving Trigonometic Equations 1)sinx = (4/5) 2) cosx = (-12/13) Solving Trigonometic Equations 1)sinx = (4/5) 2) cosx = (-12/13) What is the question? Solve for x? x= arcsin (4/5) put that in your calculator. Same for the next. For both cases I recognize

*asked by abdo on April 23, 2007* -
## Physics PLEASE HELP!

A spring with an unstrained length of 0.076 m and a spring constant of 2.6 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 5.09 10-3 kg and

*asked by Adriana on January 28, 2013* -
## Chemistry

A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill, you are told that X-281 is a monoprotic weak acid, but because of security concerns, the actual chemical

*asked by Saira on July 7, 2009* -
## chemistry

Create balanced equation, given the two compounds in aqueous solution may react with one another. State whether or not a chemical reaction occurs. Make sure to include the state of each reactant and product. If a precipitation reaction occurs, provide the

*asked by Aaron on February 20, 2017* -
## chemistry

The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium

*asked by bill on April 11, 2012* -
## Chemistry

a change in pressure would have the greatest effect on the solubility of a A. solid in a liquid B. gas in a liquid C.liquid in a liquid D.liquid in a solid in an aqueous solution of potassium chloride, the solute is A. Cl B. KCl C. H20 D. K B for the

*asked by Kat on March 26, 2007* -
## Chemistry

I'm solving for the mass of PEG for my 500ml solution, however I don't know what density should I use to convert 50g PEG/kg H2O? Should it be of the H2O or of PEG? Thank you very much! This is my solution: Concentration: 50g PEG/kg H2O Vol= 500 ml or 0.5L

*asked by KIM: Please Help! on November 18, 2015* -
## Check my precalc?

#1: f(x) = x^2-4x find vrtex, axis ofsym, y-int, x-int if any, domain, range, where increasing and decreasing. I got.... vertex: 2,4 axis of sym: x=2 D= (-infinity, infnity) range= [4,infinity) im stuck of the intercepts because when i plug i 0 for x i get

*asked by Rebekah on September 25, 2012* -
## Precalc

#1: f(x) = x^2-4x find vrtex, axis ofsym, y-int, x-int if any, domain, range, where increasing and decreasing. I got.... vertex: 2,4 axis of sym: x=2 D= (-infinity, infnity) range= [4,infinity) im stuck of the intercepts because when i plug i 0 for x i get

*asked by Rebekah on September 25, 2012* -
## Accounting 10

Oscar Corp. applies manufacturing overhead to production at 150% of direct labor cost. During 20x5, manufacturing overhead of $180,000 was applied to production; actual manufacturing overhead was $199,000. Beginning Work in Process Inventory was $20,000

*asked by Vanessa on September 9, 2014* -
## Accounting 10 PLEASE HELP ME!

Oscar Corp. applies manufacturing overhead to production at 150% of direct labor cost. During 20x5, manufacturing overhead of $180,000 was applied to production; actual manufacturing overhead was $199,000. Beginning Work in Process Inventory was $20,000

*asked by Vanessa on September 9, 2014* -
## Accounting 1

Oscar Corp. applies manufacturing overhead to production at 150% of direct labor cost. During 20x5, manufacturing overhead of $180,000 was applied to production; actual manufacturing overhead was $199,000. Beginning Work in Process Inventory was $20,000

*asked by miguel on September 9, 2014* -
## Physics

You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain tool is pushed on a frictionless horizontal surface by a 12.2 N force, it moves 16.3 m in the first 2.30 s, starting from rest. You

*asked by Veronica on September 19, 2006* -
## Intro. to Computers

Can you help with these 2 questions? 1. The law firm you work at regularly scans documents into the computer system. They now want to be able to edit the digital image copies of those documents. Which do they need to accomplish this? (A) Optical character

*asked by Natalie on June 13, 2007* -
## English Grammar

You work hard. In this sentence, 'work' is the form of the present tense. We use the base form of a verb for the form of the present tense verb. ----------------------------------- Is my explanation above grammatical? Which one is right, base verb or basic

*asked by John on March 17, 2008* -
## GEOMETRY/PROP 2

72% of employees bring their children to day-care centers before work. If there are 465 employees, how many do not bring their children to day-care before work ? 72:465 & x:465 is what I started with but I can not get the correct answer. need help.

*asked by Rose on October 15, 2008* -
## Physics

A person with mass mp = 74 kg stands on a spinning platform disk with a radius of R = 2.31 m and mass md = 183 kg. The disk is initially spinning at ω = 1.8 rad/s. The person then walks 2/3 of the way toward the center of the disk (ending 0.77 m from the

*asked by MUHAMMAD JUNAID on April 21, 2019* -
## Help 5!!!

5. Find the x and y intercepts of each linear equation. Be sure to write your answers as ordered pairs. y = 3x - 6 6y = -x + 2 On the second equation, change it to read y= ...,. Divide both sides of that equation by 6 to get the desired result. how?? The

*asked by Margie on October 13, 2006* -
## word problem

A person invests $7,500 part at 5% and the remainder at 4% simple interest. If the total interest at the end of the first year was $346.50, find the amount invested at 4%. total interest=346.5=7500*.05 + x*.04 solve for x. ooopsss, I misread the problem.

*asked by Dan on July 17, 2005* -
## algebra

this is the hardest problem people said it was the hardest andf they can not solve it can anyone solve this please it is hard In a basketball game, Garrett and Logan scored a total of 19 points. Logan and Ray scored a total of 14 points. Logan scored as

*asked by zachary stanich on February 15, 2012* -
## Algebra

The formula to compute a person's body mass index is B=703*w/h2 B represents the body mass index, w is the person's weight in pounds and h represents the person's height in inches. I need to: a. solve the formula for w. b. What is the weight to the nearest

*asked by Tyler on October 14, 2009* -
## Grade 9 Algebra

3. FOOTBALL The New Orleans Saints scored 7 fewer points than twice the points scored by the Pittsburgh Steelers. The two teams together scored a total of 32 points. Write and solve an equation to show how many points each team scored.

*asked by Jab on October 6, 2011* -
## AP CHEM!

IM SO CONFUSED PLEASE HELP! H2 +CO2-->H2O + CO When H2 is mixed with CO2 at 2,000K, equilibrium is achieved according to the equation above. In one experiment, the following equilibrium concentrations were measured. [H2]= 0.20mol/L [CO2]= 0.30mol/L

*asked by linds on April 3, 2007* -
## Math - Ratio or Proportion (I think??)

Hello, I'm looking for guidance on how to solve these two problems below. I think they are proportion or ratio problems, but I am not sure. 1. If 6 pounds of meat feeds 3 people for 5 days, how much meat is required to feed 5 people for 7 days? 2. If a

*asked by Gatorgirl on January 27, 2014* -
## Algebra

98. Solve the equation -49 = x - 50 x=1? 94. Determine if the following equation is a function: x=2 No? 92. Determine if the following equation is a function: y=5 No? 89. Solve for x in the equation: 6/7x - 6 = -2 I got x=28/3 86. Does the following set of

*asked by y912f on May 1, 2010* -
## calculus

Can you help me solve this problem? I really don't know what to do. I solve problems like for example the rate of change of the elevation but I just encountered this kind of problem so I really don't know what to do. Please help me The endpoints of a

*asked by y on September 15, 2014* -
## Gen chem II

Calculate the work done when 50.0g of tin dissolves in excess acid at 1.00atm and 25 (degree in celsius) Sn(s)+2H(aq)----- Sn(aq) +H2(g) Assume ideal gas behavior The work done = (pressure)*(increase in volume) The increase in volume is due to the H2 gas

*asked by Farzan on March 5, 2007* -
## Physics

A 0.79 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. The upper string is 29.0 cm long and has a tension of 29.7 N, and it makes an angle θ2 = 64.0° with the rod, while the

*asked by Ryan on September 30, 2016* -
## Science

Magnesium oxide is not very soluble in water, and is is difficult to titrate directly. It's purity can be determined by use of a back-titration method. 4.06 g of impure magnesium oxide was completely dissolved in an excess of 0.20 mol/L for neutralization.

*asked by Cleopatra on March 31, 2019* -
## algebra

The coordinate plane below represents a town. Points A through F are farms in the town. graph of coordinate plane. Point A is at 2, negative 3. Point B is at negative 3, negative 4. Point C is at negative 4, 2. Point D is at 2, 4. Point E is at 3, 1. Point

*asked by Liz on January 28, 2018* -
## Modern History

The US legal and political system have been greatly influenced by the the thinkers of the Enlightenment era. What are the impact of at least three Enlightment thinkers on modern times? If you have a specific question about the research you have to do,

*asked by Bryan on September 14, 2006* -
## Math, Pleas help.

Please help me with the questions provided below; I have studied in Math, but I want to make sure my answers are accurate to ace. 1.) Solve the proportion. 5/8= y/40. A.) 25 B.) 13 C.) 11 D.) 10 I chose answer choice A for number one since 8x5=40, and

*asked by Anonymous on February 17, 2016* -
## statistics

MBA604 Statistics Assignment 1 Part 1 1) (5 pts) An electronics company is about to launch a new product. If the serial number for each piece produced has the following format: LLNNN where L stands for any letter in the English alphabet and N is a number

*asked by austin on July 12, 2013* -
## statistics

MBA604 Statistics Assignment 1 Part 1 1) (5 pts) An electronics company is about to launch a new product. If the serial number for each piece produced has the following format: LLNNN where L stands for any letter in the English alphabet and N is a number

*asked by austin on July 12, 2013* -
## message board threads

As you may have noticed, an entire thread can now be viewed by accessing the original message. I think this is great for students, and this may enhance search engine rankings. If anyone has serious objections to this, please let me know. Thanks, Leo I

*asked by Leo on October 24, 2006* -
## another college math question

Please teach me. I am completely blank with it. :( Let alpha = (3+sqrt(-3))/2 belongs to Q[sqrt(3)]. Show that if x is congruent to 1 mod alpha, then x^3 is congruent to 1 (mod alpha)^3. Similarly, show that if x is congruent to -1 mod alpha, then x^3 is

*asked by student on November 16, 2006* -
## physics

A ball is thrown upward from the top of a 27.0-m-tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 31.2 m from the building. What must be the average speed of the person if he is to

*asked by micole on May 13, 2007* -
## Science / Geography

Losing Your Bearings 1. Begin journey at 40 degrees N by 77 degrees W. 2. Travel 4200 miles with a compass bearing of 130 degrees. 3. Travel 2800 miles with a compass bearing of 180 degrees. 4. Travel 5250 miles with a compass bearing of 90 degrees. 5.

*asked by Suzanne on October 7, 2006* -
## Language Arts

Thomas: Come on, Patrick you'll have fun. You'll learn alot, and you'll be helping a family have a home that they otherwise couldn't afford. Patrick: I don't know, Thomas. I've never built anything before, much less a house. Thomas: You don't have to build

*asked by Callie on February 26, 2015* -
## English-Writing

Many students fear the thought of college. It is not only the transition from high school that intimidates them, but large classrooms, two hour seminars, and worse part, the fear of failure is what keeps them from going. Hence either take shorter hours,

*asked by HM on October 7, 2011* -
## History8 Check Answers?

1) The major problem with the Articles of Confederation was that it _____. a.was too similar to the British system, giving one leader too much power b.it gave the states too much power c.it did not give the states enough power d.it did not establish a

*asked by imissbobby♥ on March 25, 2014* -
## Physics

A 50g mass (M1) will be attached to the trolley M2) and will cause it to accelerate a distance of between .5 to .6m. You also catch the trolley immediately after it has passed through the photogate. The time for the trip will be noted and recorded. The

*asked by Tammy on February 23, 2007* -
## Computer Lit

Does this look good? It's about Piracy and my position. Computer Piracy What is piracy? Are there pirates running around on the Internet? Piracy is theft, you’re stealing copyrighted work. You’re not stealing if you buy a book, a song on iTunes, or a

*asked by Kevin on June 4, 2015* -
## science

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and

*asked by JAY on October 23, 2011* -
## found of tech

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and

*asked by JAY on October 23, 2011* -
## science

Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and

*asked by JAY on October 23, 2011* -
## Language arts: check my answers

For questions 7–15, rewrite each sentence, adding commas where needed. (7) While I was researching skateboards I found an interesting old newspaper story. (8) In the June 29 1999 edition of the Mercury there was an article on skateboarding. (9) Some

*asked by anonymous on March 13, 2014* -
## Finance

Life expectancy has risen to 78.3 years according to the Centers of Disease Control and Prevention. The average Roman’s lifespan 2,000 years ago was 22 years. In 1900, a person was expected to live 47.3 years. In 2013, assume you are a 42-year-old

*asked by Spork on November 20, 2015* -
## English

1.Throughout his life, Chavez focused on nonviolent action. 2.He organized several boycotts of grapes and lettuce. 3.In California there was work for farmworkers if they could go from one farm to another. 4.In 1937, Cesar Chavez's family did not have

*asked by Chris on November 30, 2010* -
## Theather Appreciation

HENRIK IBSEN 1. Which of these eras is Ibsen considered to be the Father of? a. Symbolism Era b. The Poetic Age c. Romanticism d. Modern Drama 2. Where is Henrik Ibsen from? a. Romania b. Finland c. Ireland d. Norway 3. According to his power point, which

*asked by Jehu on June 12, 2013* -
## Physics help please!

The engine has an efficiency e1. The engine takes input heat Qh from a hot reservoir and delivers work W1. The heat rejected by this engine is used as input heat for a second engine, which has an efficiency e2 and delivers work W2. The overall efficiency

*asked by Mike on April 13, 2010* -
## Chemistry

If the same solute is dissolved in two different solvents to the same concentration and the same temperature, the osmotic pressure ____ My answer & reason: solution A has a smaller molecular weight and therefore, a larger Molarity and higher osmotic

*asked by Anonymous on February 25, 2009* -
## Accounting

Problems: Please show all calculations. Claudette, Inc., provides warranties for many of its products. The January 1, 2014, balance of the Estimated Warranty Liability account was $38,500. Based on an analysis of warranty claims during the past several

*asked by Jessica on April 1, 2014* -
## physics

A large open loop made of metal is constructed below a high voltage (AC) power line. a) Can this loop be used to draw power from the lines? Where would the energy come from and how would it work? b) If no one actually saw the loop, would the power company

*asked by Sara on April 29, 2009* -
## reading

words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she

*asked by Anonymous on June 7, 2014* -
## MATH

i need help filling this out! 4x-10=32-3x 4x-10+____=32-3x+22 ____-10+____=32+_____ ___=___ ___=___ x=___ ok you need to solve for x. remember the rule, whatever you do on the left side, you do to the right side and vice versa. on the second step, they add

*asked by alejandra on October 24, 2006* -
## Chemistry

When reviewing the procedure the student found that 4.912 x 10-1 M barium nitrate solution had been used instead of that in the following procedure: A student synthesized 6.895 g of barium iodate monohydrate, Ba(IO3)2*H2O by adding 30.00 mL of 5.912 x 10-1

*asked by Steve on June 30, 2014* -
## S.S

1. Why did Thomas Paine write the pamphlet, Common Sense? a. to support conquering the Native Americans b to argue that more land should go to France and Spain c to show that loyalty to the monarchy was wrong d to pledge his loyalty to the british

*asked by Bark on September 21, 2016* -
## English

In “Class in America-2003,” Gregory Mantsios argues that America favors the rich and a person’s race and class standing greatly influences their wealth, health and education. By comparing the myths and realities of the American dream of equal

*asked by Mick on February 11, 2008* -
## English-help me please

Can you change the hard English words to easy ones and make the long sentences a little bit short for me? I have to memorize it and perform it, so I need this monologue to be easier. Monologue:Shakespeare's relationship with Robert Greene For seven years,

*asked by Tommy on February 16, 2014* -
## Macroeconomics

The following is a report from a BLS survey tracker: “There were 65 people in the houses I visited. Ten of them were children under age 16, 25 people had full time jobs, and 5 had part time jobs. There were 10 retirees, 5 full time homemakers, 5 full

*asked by Morgan on January 21, 2019* -
## Business management class

here is all my questions with answers.. just to double check my work.. Sue can u please check!! thanks u for all the help!! 1. In a _______, consumers ultimately decide what should be produced. A. macroeconomic system C. free market system B. socialist

*asked by April on January 30, 2012* -
## Physics

A 72 kg skier leaves the end of a ski-jump ramp with a velocity of 24 m/s directed 25◦ above the horizontal. The skier returns to the ground at a point that is 14 m below the end of the ramp with a total speed of 22 m/s. (a) What is the rate at which the

*asked by Adam on October 17, 2015* -
## Calculus

Let (a, b) be any point on the graph of Prove that the area of the triangle formed by the tangent through (a, b) and the coordinate axes is 2. This is the solution from the solution manual The coordinates of the point are (a,1/a). The slope of the tangent

*asked by Anonymous on February 11, 2018* -
## Chemistry

For the chemical reaction, sodium hydroxide + copper (II) chloride = "robin's egg blue" precipitate, do the following: write the balanced molecular, balanced total ionic, and balanced net ionic equations; determine the Limiting Reactant (LR) for each

*asked by Anonymous on November 1, 2015* -
## Chemistry I

Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and water separated by a thin plastic divider. When the divider is broken, the ammonium nitrate dissolves according to the following endothermic reaction: In

*asked by Lindsey on November 1, 2011* -
## Chemistry

Hi I just wanted to verify a few answers to chem questions I'm working on. Was wondering if anyone could help? 1. Calculate the molar concentration of 2.34g of lithium hydroxide, LiOH disolved in water to make 750ml of solution. My answer was CLiOH = 0.133

*asked by Andre on October 17, 2010* -
## physics133

1 The principle of conservation of heat energy states that that when an object is at constant temperature or is in thermal equilibrium, it is losing and gaining heat at equal rates. the heat lost by a hot body is equal to the heat gained by the cold body

*asked by Cali franco on April 25, 2015* -
## World Geography

Which of these statments describe NATO? 1. NATO's preferred method for resolving conflict is through military defense. 2. NATO's original purpose was to defend its members from Soviet aggression. 3. NATO's members include the U.S. and Canada. 4. NATO was

*asked by Courtney on March 25, 2011* -
## 1 question+chem!

#11) The information: An unidentified acid with a concentration of 1.0 mol/L has been given to you to identify. The acid appears in your data booklet on the Relative Strengths of Acids and Bases table. The following test results were recorded: 1. Methyl

*asked by Dave on August 4, 2006* -
## Probability

A man has 10 ties to choose from. He wears a tie each day to work. (5 days = 1 work week) What is the probability that he wears the same tie in a week? What is the probability that he wears a different tie each day?

*asked by Seany on July 30, 2015* -
## Probability

A man has 10 ties to choose from. He wears a tie each day to work. (5 days = 1 work week) What is the probability that he wears the same tie in a week? What is the probability that he wears a different tie each day?

*asked by Seany on August 6, 2015* -
## Finance

Cost Allocation It started with a letter Statendam, November 5, 2001 To: Henk Jacobs, director finance department From: Bob Jansen, manager refuse collection department Dear Henk, Someone told me that you had to see the teachers of one or your children

*asked by Math dummy on March 16, 2012* -
## Chemistry- urgent!

When a solution of sodium oxalate (Na2C2O4) is added to a solution of lanthanum (III) chloride, lanthanum oxalate (molar mass 541.86 g/mol) The balanced net ionic equation for the reaction is: 3C2O4^2- (aq) + 2La^3+ (aq) --> La2(C2O4)3 (s) Thirty ml of

*asked by Gabby on December 15, 2011* -
## Physics

A 2.0 lb block is given an initial speed of 4.0 ft/sec up an inclined plane starting from a point 2.0 feet from the bottom as measured along the plane. If the plane makes an angle (theta = 30 degrees) with the horizontal and the coefficient of friction is

*asked by Nora on March 12, 2015* -
## Statistics

Let X1,...,Xn be a sample from the N(0, sigma^2). 1) Find the method of moment estimator of sigma^2 2) Find the MLE estimator of sigma^2

*asked by Nick on October 1, 2012*

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