# 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 266
1. ## Physics

Is this right? When a 5 kg box is lifted 3 meters from the ground, calculate the gravitational potential energy stored in the box. Calculate the work done by a Force to lift the box at a constant speed. Compare this answer to the amount of gravitational

asked by A on March 22, 2016
2. ## Chemistry/Env Sci

a)the E0 for the reactions 2HOCl + 2H+ + 2e- → Cl2 + 2H20 and Cl2 + 2e- → Cl- are 1.63 and 1.396 volts respectively. Write the half reaction of HOCl being reduced to Cl- and develop the full pE/pH equation for this reaction. b)What is the pE of a

asked by Dave on July 31, 2013
3. ## math

A man can paint a fence in 8 hours. Another man can paint that fence in only 7 hours. A third man can paint that fence in only 5 hours. How long will it take for all three men to paint the fence? in one hour, man1 can paint 1/8 of the fence, man2 can pain

asked by bob on December 5, 2006
4. ## Chemistry

TRUE OR FALSE? 1) A solution that is made out of 1.00mol/L ammonia and 0.50mol/L of ammonium chloride is a basic buffer. 2) The pH at the equivalence point of a weak base with a strong acid is expected to be less than 7 because the acid that is added is

asked by Lorenzo on December 8, 2012
5. ## chemistry

50 ml of a .1103M solution of formic acid is titrated with a .2511M NaOH. a) What is the pH before and NaOH is added? b) How many mL of NaOH solution must be added to reach the equivalence pt? c) what is the pH at the equivalence pt of the titration? d) If

asked by Jessica on April 7, 2013
6. ## CHEMISTRY

25cm^3 of a solution of NaOH required 28cm^3 of 1.0 mol dm^-3 H2SO4 to neutralise it. a)Write an equation for the reaction. b)How many moles of H2SO4 were needed? c)How many moles of NaOH were thus neutralised? d)How many moles of NaOH are there in 25cm^3

asked by Ava on October 20, 2013
7. ## chemistry

A nitric acid solution of unknown concentration is used to titrate 0.771g of sodium tyrosinate (NaC9H10NO3). If the endpoint is reached when 32.79mL of nitric acid has been added, what is the concentration of the unknown nitric acid solution?

asked by Anonymous on March 6, 2013

50 ml of a .1103M solution of formic acid is titrated with a .2511M NaOH. a) What is the pH before and NaOH is added? b) How many mL of NaOH solution must be added to reach the equivalence pt? c) what is the pH at the equivalence pt of the titration? d) If

asked by Lana on April 8, 2013
9. ## Math

Five employees at the Wild Fowl Publishing Company each come to work by a different one of five means: car, railroad, subway, and walking. They hold these positions at the company: art director, editor, publisher, receptionist, and secretary. Two of them

asked by Mike on December 15, 2011
10. ## Applied Mechanics

Is my work correct? Two bodies hang on a string 2.1m long. The two bodies have a mass of 3.75kg and 2.4kg respectively. If the 3.75kg mass is raised to a height of 0.545m and released, and if upon impact the mass adhere. Mass1 = 3.75 kg Mass2 = 2.4 kg

asked by Henri on March 20, 2009
11. ## Math

Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m and the area is 224m2, what is the length of the other base? The area of a trapezoid is: A= (1/2) h (b1 + b2) ...where h = height and b1, b2 are the bases.

asked by Tony on March 23, 2007
12. ## Spanish

How exactly will I do this? I seriously need help yet,I can't even attempt this. My teacher hasn't taught me this stuff as yet. So help would be appreciated. This is what I'm working on: Command form(imperative mood)negative familiar/polite. I have to

asked by John on May 9, 2008
13. ## employment law

The supervisor comes to your office and wants to see the employee’s file. You provide the supervisor the file. The supervisor asks for the results from the drug test, the medical follow-up for the work-related injury a year ago, and the employee’s

asked by Crystal on September 28, 2011
14. ## Physics 2414

An airplane pilot falls 355 m after jumping from an aircraft without his parachute opening. Fortunately, he lands in a snowbank, creating a crater 1.5 m deep, and survives with only minor injuries. Assuming the pilot's mass is 77 kg and his terminal

asked by Aestas on March 31, 2011
15. ## Statistical significance (Chi squared)

I just want to make sure what I'm calculating this right. The data I got for one time point are 6 and 23 I know the equation for chi^2 is Calculating Chi Squared - Catherine, Friday, October 28, 2011 at 8:15pm I did a biology experiment where I need to

asked by Catherine on October 29, 2011
16. ## Math

There are 12 card numbered 1 to 12 in a box. If tow cards are selected, what is the probability that the sum is odd (I) with replacement (II) without replacement. SOLUTIONS (1/4,6/11) HOW I CAN SOLVE WITH REPLACEMENT. Knowing that Sample space (S) =

asked by Faroug on July 31, 2016
17. ## Social Studies

19. Select a new deal program that helped improve the lives of South Carolinians. explain what the program improved and how it helped the people of South Carolina. 20. Explain how rationing affected the people on the home front during World War II. How did

asked by a person on May 4, 2018
18. ## physics

My answer doesn't make sense. I will show question then my work: A city holding tank for water sits 20 m above the city. If a house was on fire 15 m away from the base of the holding tank, and the tank was originally filled to a depth of 15 m, to what

asked by Jackie on September 24, 2015
19. ## physics

My answer doesn't make sense. I will show question then my work: A city holding tank for water sits 20 m above the city. If a house was on fire 15 m away from the base of the holding tank, and the tank was originally filled to a depth of 15 m, to what

asked by Jackie on September 24, 2015
20. ## chmistry

a solutiona solution is made by dissolving 3.75g of a pure nonvolatile solute in 95g of acetone. the boiling point of pure acetone was observed to be 55.95 Centigrade that,and that of the solution was 56.50 Centigrade.if the molar boiling point elevation

asked by bb on November 20, 2012
21. ## physics

The 4.00-kg block in the figure is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended towards the rod and each have a length of 1.25. The length from the upper string and lower

asked by Allison on April 21, 2011
22. ## Chemistry

Jack occasionally goes to work by bicycle where he exhales once per 3.00 sec. If in Jack’s every exhale is 4.50% CO2 (by volume), he exhales a total volume of 4.6 L each time, and it takes Jack 20.0 minutes to bike to work, how many grams of CO2 has he

asked by Kitty on January 16, 2012
23. ## L.A.-Check Answer

According to "Life Without Gravity" why can astronauts' muscles become weak? a. Without gravity, the blood is rerouted from the legs to the head. b. Without gravity, the body "grows" as much as several inches. c. Without gravity, eating is difficult, so

asked by Dani on October 12, 2016
24. ## damped oscillator

How do I show mathematically that Q is equal to the following in a damped oscillator? The quality factor Q of a damped oscillator is defined as Q=2pi τ(tau) /T. Show mathematically that Q is equal to 2pi*)energy of oscillator/energy lost by oscillator

asked by cat on October 15, 2015
25. ## Math

1. y=3x-7 y=-x+1 A. One Solution*** B. Infinitely Many C. No Solution 2. x+3y=12 x=y-8 A. One Solution B. Infinitely Many*** C. No Solution 3. x+y=5 x+y=-2 A. One Solution B. Infinitely Many*** C. No Solution

asked by EmberShy on March 30, 2017
26. ## chemistry

Consider the cell: (Pt) H2/H+ || (Pt) H+/H2. In the anode half-cell, hydrogen gas at 1.0 atm is bubbled over a platinum electrode dipping into a solution that has a pH of 7.0. The other half-cell is identical to the first except that the solution around

asked by Anonymous on March 27, 2012
27. ## Chemistry

You are given an assignment to make 250ml buffer solution having 0.25M weak acid and 0.2M of its conjugate base. You have stock solutions 1.5M acid and 0.5M of the conjugate base. Clearly explain how you are going to make this buffer solution. Can anyone

asked by Mary on March 29, 2013
28. ## Math/Calculus

How would I integrate the following by parts: Integral of: (x^2)(sin (ax))dx, where a is any constant. Just like you did x^2 exp(x) below. Also partial integration is not the easiest way to do this integral. You can also use this method. Evaluate first:

asked by COFFEE on May 28, 2007
29. ## D.E

A particle moves on the x-axis with an acceleration, 246msta. Find the position and velocity of the particle at 3t, if the particle is at origin and has a velocity of 10ms when 0t by using either the method of undetermined

asked by Farah on November 20, 2011
30. ## Maths - Properties of Planes

write a scalar equation, given it's vector equation. [x,y,z]= [3,7,-5] + s[1,2,-1] + t[5,-2,3] ( I remember my teacher saying that you have to cross s and t, and that will be my normal and thereafter I substitue the point to find the 'D' value of the

asked by Shaila on August 24, 2010
31. ## Physical Science in Action

I need help with the scientific method for physical Science in Action and all I have so far is: Scientific methods in a circle and connecting circles with Scientific models , Experiments , observation and calculations and I have one circle left!! Please

asked by Patsie on August 16, 2009
32. ## math 117

Ariana took 2 h longer to drive 360 mi on the first day of a trip than she took to drive 270 mi on the second day. If her speed was the same on both days, what was the driving time each day? Use the same method indicated in my response to your previous

asked by Diana on July 11, 2007
33. ## physics

A stewardess pulls her 70 N flight bag a distance of 200 m along an airport floor at constant speed. The force she exerts is 40 N at an angle of 50 degrees above the horizontal. Find (a) the work she does, (b) the work done by the force of friction, and

asked by Anonymous on October 22, 2007
34. ## legal and ethical issues

Which element do you think plays the greatest role in influencing employee behavior? Explicit policy or implicit policy. First find out what explicit and implicit mean. Then think about a couple of job situations. Pretend you are the employer, then the

asked by Anonymous on August 8, 2007
35. ## geometry

you are to design, draw and label the dimensions of 3 boxes that will hold enough detergent to do 18 loads of laundry. Each scoop of detergent does one load. The size of the scoop is 3in.x2in.x2in. all work must be shown on the work page. At the bottom of

asked by Aaron on May 18, 2011
36. ## Social Studies (check my answers)

1. What was the initial purpose of the constitutional convention? To write the Constitution. To amend the Constitution.>>>my answer To amend the articles of confederation. To ratify the Constitution. 3. What did the Northwest Ordinance do for the Northwest

asked by FluttershyK22 on August 15, 2016
37. ## Programming Logic and Design

This is my 3rd time posting this problem because I didn't get any help before...assistance would be appreciated. Create the logic for a program that calculates and displays the amount of money you would have if you invested \$3000 at 2.65 percent interest

asked by Lauren on August 15, 2014
38. ## Physics

An infinitely long thin metal strip of width w=12cm carries a current of I=10A that is uniformly distributed across its cross section. What is the magnetic field at point P a distance a=3cm above the center of the strip? I have tried using the integration

asked by Joel on April 4, 2014
39. ## math

dentify the line that contains the error in this solution and correct the work for that line. Negative two times x plus one minus three is greater than or equal to eleven Negative two x plus negative two minus three is greater than or equal to eleven

asked by bucky on September 20, 2011
40. ## Physics

When a block slides a certain distance down an incline the work done by gravity is 300 J. What is the work done by gravity if this block slides the same distance up the incline? a) 300 J b) zero c) -300 J d) It cannot be determined without knowing the

asked by Tammy on March 25, 2007
41. ## physics/math

Joe is a former basketball player who is now a work-out junkie, and especially loves to do push-ups. He was a good athlete, but not so good at science in school, especally not good in Physics. He wants you, yes you, to calculate how much work he does, in

asked by kristin on August 12, 2008
42. ## AP Physics

I have two problems i don't understand if you could solve and show me what you did I would appreciate it :) 1.A 62.0-kg person, running horizontally with a velocity of +3.54 m/s, jumps onto a 13.4-kg sled that is initially at rest. (a) Ignoring the effects

asked by Deanna on December 5, 2010
43. ## Physics

A 855 N crate rests on the floor. a) How much work is required to move it at constant speed 7.7 m along the floor against a friction force of 180 N? b) How much work is required to move it at constant speed 7.7 m vertically? I really NEED help I am very

asked by Jen on October 15, 2009
44. ## Art

I still have four more paragraphs to check on the same theme. Thank you very much in advance. 1) The use of children in ads is an exploitation of the children's image. It's a way to earn audience as well as to sell a major number of products. 2) It is also

asked by John on May 26, 2012
45. ## Chemistry

Given the following data for a hypothetical reaction: M3+ (aq)+ L-(aq) ⇋ [ML]2+(aq); calculate the equilibrium concentration of [ML]2+in the trial solution and Kc based on this single trial run of the equilibrium reaction. Standard solution data:

asked by Kevin on April 9, 2018
46. ## chemistry who step by step for me

1.2g mixture of na2c03 and k2c03 was dissolved in water to form 100cm3 of solution, 20 cm3 of this solution required 40cm3 of 0.1 hcl for neutralization. Calculate the weight na2c03 and k2c03 in the mixture? My calculation 20cm3/100cm3 = 0.2 x/53 +

asked by ken on June 22, 2014
47. ## Lat math question for some days. Can y'all help?

Huan deposited \$850 into a college savings account earning 4.8% interest compounded annually. He also deposited \$850 into a second account earning 4.8% simple interest. He made no additional deposits. After 10 years, which account earned more interest? How

asked by DerpyPegasus33 on December 9, 2014
48. ## English Improving writing rough draft

please check his for me thank you very much :) There are on going problems that need to be addressed.First there is uneven allocation of tasks. While Bonnie and Molly are working overtime at least twice a month, Jack and Rachel often have no work to do.

asked by Kaleigh-Anne on June 17, 2008
49. ## real estate

Let’s see if you can solve this puzzle. Billy and Elizabeth still work for the same brokerage. Billy is in a meeting with a buyer client in one room, while Elizabeth is in a meeting with the seller client in the next room. Elizabeth’s client is selling

asked by emma on February 23, 2017
50. ## chemistry

a hydrocarbon was burnt completely and the products were bubbled into excess of Ca(OH)2 solution. The resulting mixture was filtered, and the residue dried and weighed. The mass of the hydrocarbon was found to be 10.00g. In a separate experiment, the same

asked by kandace on June 19, 2016
51. ## Statistics

2 samples were collected to determine whether there was a difference between two weight loss methods targeting men. The average weight loss method is provided for the 2 samples along with the respective standard deviations. Is the second method - with an

asked by kristen on February 27, 2007
52. ## Chemistry

The much-abused drug cocaine is an alkaloid. Alkaloids are noted for their bitter taste, an indication their basic properties. Cocaine C17H21O4N, is soluble in water the the extent of 0.17g/100 mL solution, and a saturated solution has a PH = 10.08. What

asked by Sev on August 9, 2009
53. ## Physics

Two carts, one of mass 2kg and another of mass 4kg are driving towards each other with a speed 3m/s. Assume the mass 2kg is moving to the right. Which cart has the most momentum? What is the total momentum of the system? After the collision, what is the

asked by Physics on February 13, 2018
54. ## HCl - Chem

Assume you had a very magnified view of a solution of HCl that allowed you to "see" the HCl. Draw this magnified view. If you dropped in a piece of magnesium, the magnesium would disappear and hydrogen gas would be released. Draw this out using symbols to

asked by Gil on January 13, 2007
55. ## Chemistry

Im having trouble on a question Im not sure what it is they are asking for. A voltaic cell similar to that shown in Figure 20.5 is constructed. One electrode compartment consists of a silver strip placed in a solution of AgNO3, and the other has a iron

asked by Hannah on May 10, 2011
56. ## physics

A driver of a 7.50 N car passes a sign stating "Bridge Out 30 Meters Ahead." She slams on the brakes, coming to a stop in 10.0 s. How much work must be done by the brakes on the car if it is to stop just in time? Neglect the weight of the driver, and

asked by Anonymous on October 21, 2007
57. ## Calculus

A leaky cylindrical oilcan has a diameter of 4 inches and a height of 6 inches. The can is full of oil and is leaking at the rate of 2 cubic inches/hr. The oil leaks into an empty conical cup with a diameter of 8 inches and a height of 8 inches. a. At what

asked by Martin on February 23, 2008
58. ## Math

If anyone does this lol idk but im not gonna look at this because im already done (with the first and second task) Task 1 Bacteria are the most common example of exponential growth. Research and find a bacterium that grows each hour exponentially and

asked by 2019 on February 23, 2019
59. ## System Analyst and Design

Terrier News Situation: Terrier News is a monthly newsletter devoted to various breeds of terriers and topics of interest to terrier owners and breeders. Annie West, the editor and publisher, asked you to help her design a system to enter and manage the

asked by Pete Watson on February 2, 2013
60. ## chemistry -drbob222

I'm not sure if my 1 and 2 are correct, and I don't know how to do 3, 4, and 5. Any help is appreciated! 1) You wish to extract an organic compound from an aqueous phase into an organic layer. to minimizing the number of transfer steps, would it be better

asked by Anonymous on October 9, 2009
61. ## Chemistry Science Project

I need some ideas for high school science projects. It doesnt really matter what field of science, but i would prefer chemistry, biology, or physics. Really Urgent! Thanks! What about a project on osmotic pressure. Put a salt solution inside a thistle

asked by Rachel on March 8, 2007
62. ## calculus

if the tangent of two intersecting circles, at their points of intersection are perpendicular, the circles are said to be orthogonal. Show that the circles x^2+y^2-6x+4y+2=0 and x^2+y^2+8x+2y-22=0 are orthogonal. find the equation of the tangent to the

asked by Kelly on June 28, 2008
63. ## Julia - Green's theorem

Sorry, I did not see your question ================================= Posted by julia on Monday, December 10, 2007 at 9:15pm. Can someone show me step by step how to work this problem out please. Let C be the triangle with vertices (0,0), (1,0), and (1,2).

asked by Damon on December 11, 2007
64. ## Algebra

1. Choose the correct solution in roster form. N is the set of natural numbers that are factors of 12. {1, 2, 3, 4, 6} {1, 2, 3, 4, 6, 12} {1, 2, 3, 4, 5, 6, 8, 12} *this is my answer {1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12} 2. Write the solution to the

asked by Robin Kwan on December 12, 2016
65. ## Physics

A skier of mass 110 kg travels down a frictionless ski trial. a.) If the top of the trail is a height 200m above the bottom, what is the work done by gravity on the skier? b.) Find the velocity of the skier when he reaches the bottom of the ski trail.

asked by Jessica on April 22, 2016
66. ## stats

slot machines are now video games, with outcomes determined by random number generations. in the old days, slot machines were like this: you pull the lever to spin 3 wheels; each wheel has 20 symbols, all equally likely to show when the wheel stops

asked by steven on March 23, 2010
67. ## statistics

slot machines are now video games, with outcomes determined by random number generations. in the old days, slot machines were like this: you pull the lever to spin 3 wheels; each wheel has 20 symbols, all equally likely to show when the wheel stops

asked by steven on March 23, 2010
68. ## physics

Which one of these statements regarding non-conservative forces is FALSE? Select one: a. A non-conservative force cannot have a potential energy defined for it. b. The work done by a non-conservative force may be either positive or negative depending on

asked by jake on June 7, 2014
69. ## physics

Which one of these statements regarding non-conservative forces is FALSE? Select one: a. A non-conservative force cannot have a potential energy defined for it. b. The work done by a non-conservative force may be either positive or negative depending on

asked by jake on June 7, 2014
70. ## Chemistry

A professor wanted to set up a similar experiment as the one you performed in lab. The professor wanted to use Al(OH)3 in place of Ca(OH)2. Calculate how many mL of saturated Al(OH)3 solution it would take to titrate against 12.00mL of 0.0542M HCl

asked by Caroline on April 8, 2015
71. ## social studies

1.__________ introduced Europeans to Muslim inventions, such as the astrolabe that helped sailors navigate the seas. a)the Crusades, b)the Reconquista c)the Vikings d)the Magana Carta *** 2.In Athens the system of government became a direct democracy, in

asked by need help real quick on March 21, 2015
72. ## physics

1. It has been suggested that rotating cylinders about 11 mi long and 5.2 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall

asked by Elisa on July 11, 2008
73. ## english

Can someone please check my work? Looking for opinions and grammatical errors. Thankyou. The following are my instructions on the assignment..... · Resource: Appendix G · Read two of the five paragraphs provided in Appendix G. · Write a brief paragraph

asked by Icelocsgirl on May 21, 2011
74. ## human rescource management (am i correct)

For your final project, you will develop documentation for human resources professionals to manage a specific employment position. The materials you create would assist HR professionals in the four functions of job analysis, selection, orientation, and

asked by scooby on November 7, 2009
75. ## physics

a jogger runs with a veloicty of 6km/h (25 degrees N of W) for 35 min and then changes direction, Jogging for 20 min at 4.5km/h (65 degrees E of N). Using the parallelogram method for vector addition, determine the joggers total displacement and his

asked by neil on October 11, 2011
76. ## Chemistry

For each of the following, write a series of equations for a method of synthesis from other compounds. Name all compounds involved. a) trimethylamine from ammonia and alkanes b) sodium ethanoate from an ester f) phenyl 2-methylpropanoate from phenol and an

asked by Sam on June 8, 2008
77. ## statistics

A clinical trial test a method designed to increase probability of conceiving a girl.In study 375 were born and 300 were girls Use sample data to construct 99%confidence interval of percentage girls born

asked by Martha on March 17, 2014
78. ## programming

creat a logic for a program that continuously prompts the user for a numeric number of dollars until the user enters 0. pass each entered amount to a conversion method that displays breakdown of the passed amount into the fewest bills

asked by william on November 17, 2011
79. ## financial accounts

sandeep purchased a machinery for 21000 on 1 January 2001. the estimated life of the machine is 10 years after which its residual value will be 1000 only.find out the amount of depreciation and prepare machinery account for the first three years according

asked by medi on January 24, 2015
80. ## Programming

In pseodocode, create the logic for a program that accepts input values for the projected cost of a vacation and the number of months until vacation. Pass both values to a method that displays the amount you must save per month to achieve your goal.

asked by Matt on August 18, 2014
81. ## Movement & Music

A movemnt program that emphasizes divergent prolem solving, discovery, and self-expression to foster creativity utilizes the _______ teaching method. a. command instruction b. direct instruction c. exploration d. guided discovery I chose D...

asked by Cyn on January 31, 2013
82. ## Math

Identify the sampling,method. You want to determine the number of text messages students at your school send in a month. You go to the cafeteria and ask every 4th student that walks in. a- random b- systemic c- stratified d-m none of these My answer is

asked by Steve on May 25, 2015
83. ## Health please check my answer

Please check my answer thank you :) Dr Hannah places a stethoscope to a seven - year old child's chest. The lungs reveal basilar rales. Which method is Dr Hannah using to perform the physical exam? A. Auscultation B. Palpation C. Percussion D.

asked by Kaleigh-Anne on March 19, 2008
84. ## MAth

2+3m=17 7 6 10 5 use inverse operations to solve each equation. Explain each step and identify the propaty used to reach steps. 19=h/3-8 solve the equation : expiation each step and identify the property used to reach each step 0.6x+0.8=1.4 thanks

asked by AABBCC on October 25, 2015
85. ## math

I will try it with x=20, y=15 From this, you can supply coefficients and calculate the right hand side from the given values of x and y. I choose coefficients 2 and -3 to give 2x-3y=2*20-3*15=-5 I choose again coefficients, 3 and -1 to give

asked by Anonymous on May 26, 2011
86. ## MAth

2+3m=17 7 6 10 5 use inverse operations to solve each equation. Explain each step and identify the propaty used to reach steps. 19=h/3-8 solve the equation : expiation each step and identify the property used to reach each step 0.6x+0.8=1.4 thanks

asked by AABBCC on October 24, 2015
87. ## Algebra2

The area of a square garden in square feet is 49x^2-14x+1. Find the dimensions of the garden in terms of x. x^2=49x^2-14x+1 Then solve for x. 48x^2-14x + 1=0 (8x-1)(6x-1)=0 and solve for two values of x that are possible.

asked by Christian on May 4, 2007
88. ## IT 242

Design a WAN Develop a plan to set up a wide area network based on the scenario presented in Appendix A. Your plan must include the following: o An overview of the company and its needs o A logical network drawing for Acme to depict the recommended WAN o

asked by Ronda on April 18, 2010
89. ## Dr.Bob the question Ihad reposted (NOT the old one

Yes...another calculation problem. Rxn: 1ml isopentyl alcohol + 1.5ml glacial acetic acid + 3 drops sulfuric acid=> isopentyl acetate to calculate the theoretical yield.. I know that the acetic acid is in excess but how would I calculate the theoretical

asked by ~christina~ on March 9, 2008
90. ## chemistry

When N2O5 (g) is heated it dissociates into N2O3 (g) and O2 (g) according to the following reaction: N2O5 (g) N2O3 (g) + O2 (g) Kc=7.75 at a given temperature. The N2O3 (g) dissociates to give N2O (g) and O2 (g) according the following reaction: N2O3 (g)

asked by Anonymous on February 12, 2011
91. ## Fair Division-Apportionment

I have to do a problem where : a) Find the standard division d b) Find the exact quotas for each of the republics c) Find the apportionment of seats using Hamilton's method The info is REPUBLIC: Argh Brwd Chrd Dstyr Eoia Population:7.65 4.45 8.52 9.98 6.51

asked by Lynne on October 1, 2013
92. ## weather system

Which weather system is bigger, a hurricane or an extra-tropical-cyclone?

asked by Sara on February 23, 2010
93. ## 6th grade social studies

President Ruterford B.Hayes tried to change the spoils system by reforming the ---

asked by Caeley on October 21, 2008
94. ## Social Studies / History

What Segments Of U.S Society Were Affected By The Institution Of Selective Service System ?

asked by Remy on March 11, 2012
95. ## Georgia History

What is the structure of the Georgia court system? I don't understand how to answers this. Will someone help please?

asked by Anonymous on January 30, 2019
96. ## science

Identify two advantages of the modern system of symbols used to represent th elements.

asked by Jiang on January 18, 2012
97. ## health

which body system would you expect to provide the most protection from colds and the flu PLEASE HELP ME!!!!!!!!!!

asked by confused? on March 31, 2015
98. ## World History

Both Hindus and buddhists believe in A. Many gods B.The caste system C. Formal rituals I got C.

asked by sarah on January 13, 2012
99. ## Socials

Can someone please explain why a transformation system can help or hinder industrialization? I am having trouble on this, thanks in advance

asked by Sara on November 23, 2009
100. ## history

help!!! why dod farmers need to develop a system to control their water supply?

asked by Anonymous on October 21, 2008