# I NEED TO WRITE AN EQUATION OF THE LINE WITH THE GIVEN SLOPE AND GIVEN Y-INTERCEPT LEAVE ANSWER IN SLOPE-INTERCEPT FORM SLOPE -2/3,Y-INTERCEPT (0,5)

67,429 questions, page 545
1. ## Math

Two of the ten most expensive cars in the world are the BMW Z8 and the Mercedes Benz CL 600. The prices of these two cars differ by more than \$10,000. The price of the Z8 is \$130,645. a) Assuming that you do not know which model is more expensive, write an

asked by Steph on September 27, 2012
2. ## chemistry

2 questions please: The highest positive oxidation number that chlorine can exhibit an any compound is +7, whereas its most negative oxidation number is -1. Write the electron configuration of chlorine and explain why these are limiting oxidation numbers

asked by Derrick on May 12, 2012
3. ## Math

1. A car travels 17 miles in 20 minutes. What is the rate in miles/min. Do I just divide the two so the car is going 85 miles per minute? But is that the correct label or would it be mph? 2. Compare 9 ft. to 7 yards. Write the ratio as a fraction in lowest

asked by Fugel on January 15, 2016
4. ## statistics

Heights of women have a bell-shaped distribution with a mean of 158 cm and a standard deviation of 8 cm. Using Chebyshev’s theorem, what do we know about the percentage of Women with heights that are within 3 standard deviations of the mean. What are the

asked by slomomo on February 21, 2015
5. ## algebra

I really need help writing this out An overnight delivery service accepts packages of up to 165 inches in length and girth combined. (Girth is the distance around the package.) A package has a fixed girth of 53 inches. Determine (in terms of an inequality)

asked by Zaire on February 13, 2011
6. ## algebra

if the gym charges a registration fee of \$60.00 and a membership fee of \$20.00 per month. and the manager waived the registration fee for 50 random people. write a expression to represent how much money the gym will make. after 6 months how much money will

asked by David on September 10, 2018
7. ## english

read the following sentences and underline each word or phrase that signals a comparison or contast clue. circle comparison or contrast, depending on the clue. then write the meaning os each italicized word. 1.) We thought we were seeing the real painting,

asked by Anna on September 22, 2010
8. ## elementary statistics

A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group of students is different, and so he examines a random sample of midterm grades (listed below). At 0.05 alpha level can it be

asked by David on November 30, 2013

Water is flowing at a rate of 50 cubic meters per minute into a holding tank shaped like a cone, sitting vertex down. The tank's base diameter is 40 m and a height of 10 m. Write an expression for the rate of change of the water level with respect to time,

asked by Anonymous on June 5, 2012
10. ## elementary statistics

A statistics professor is used to having a variance in his class grades of no more than 100. He feels that his current group of students is different, and so he examines a random sample of midterm grades (listed below). At 0.05 alpha level can it be

asked by David on November 30, 2013
11. ## Physics

A particle has a charge of +1.5 µC and moves from point A to point B, a distance of 0.18 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric

asked by ali on January 12, 2011
12. ## Math

I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem wrong. This morning when I posted I had put the wrong answer. The answer is suppose to be 1/8 but I don't understand how to solve the

asked by Josh on January 23, 2010
13. ## Chemistry

CS2(g) + O2(g) CO2(g) + SO2(g) (a) Consider the unbalanced equation above. What is the maximum mass of SO2 that can be produced when 46.0 g of CS2 and 29.0 g O2 react? (b) Assume the reaction in part (a) goes to completion. Calculate the mass of excess

asked by Tiffany on February 28, 2010
14. ## chemistry

How to calculate enthalpy change of the following reaction? : S + 2h2o >>> so2 + 2h2 given: s+o2 >>> so2 - enthalpy change = -296.8 kJ h2 + 1/2o2 >> h20 enthalpy change= -285.8kj I was trying to solve it myself but i got confused.. i know i have to change

asked by olexandra on April 19, 2010
15. ## precalculus

For what values of theta 0

asked by Anonymous on April 25, 2018
16. ## Chemistry

Carbon monoxide and hydrogen react according to the equation: CO(g) + 3H2(g) CH4(g) + H2O When 1.00 mol CO and 3.00 mol H2 are placed in a 1L flask at 1200K and allowed to come to equilibrium, the reaction mixture is found to contain 0.387 mol H2O. What is

asked by Emily on April 29, 2015
17. ## chemistry

At 35 degrees C, 2.0 mmol of pure NOCI is introduced into a 2.0-L flask. The NOCI partially decomposes according to the following equilibrium equation. 2 NOCI = 2 NO + CI2 at equilibrium the concentration of NO is 0.032 mol?L. Use an ICE table to determine

asked by Claudia on December 14, 2018
18. ## trig

A spring is attached to the ceiling and pulled 17 cm down from equilibrium and released. After 3 seconds the amplitude has decreased to 16 cm. The spring oscillates 13 times each second. Assume that the amplitude is decreasing exponentially. Find an

asked by Tricia on August 17, 2014
19. ## physics

To make a bounce pass, a player throws a 0.60-kg basketball toward the floor. The ball hits the floor with a speed of 5.5 m/s at an angle of 72° from the vertical. If the ball rebounds with the same speed and angle, what was the impulse delivered to it by

asked by !!!! on October 19, 2011
20. ## Algebra 2

Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two problems? 1. x^2+8x 2.

asked by Christian on May 21, 2007
21. ## math

solve each equation for 0=/

asked by sh on February 15, 2009
22. ## Physics

A 2.0 kg particle is moving along the x axis to the left with a velocity of v= -6.0 m/s. Suddenly, between times t =0 and t = 4.0 x a net force = 3t^2 – 12t is applied to the particle, where F is in N and t is in s. Calculate the velocity of the particle

asked by Julia on November 24, 2009
23. ## math 111

The overhead or fixed cost for the company is 1,000 per week. In addition, the cost of manufacturing each boat costs\$200. Find an equation C=f(x) for the total cost per week where x is the number of boats manufactured in a week. b) Graph the total cost

asked by tbcc on July 3, 2013
24. ## Chemistry

37.5 g of Fe2O3 is added to 240 cm^3 of HCl. The reaction occurs according to equation : 6HCl + Fe2O3 -> 2FeCl + 3H2O At the end of reaction, 5.5 g of Fe2O3 remain unreacted. Find A) calculate the molarity of HCl used B) calculate the mass of FeCl3

asked by Lilo on June 28, 2014
25. ## physics

A bicycle has wheels with a diameter of 0.570 m. It accelerates uniformly and the rate of rotation of its wheels increases from 181 rpm to 260 rpm in a time of 19.9 s. Find the linear acceleration of the bicycle. i tried converting everything to linear to

asked by tessa on February 21, 2015
26. ## organic chem

. Use the Henderson-Hasselbach equation: pH = pKa + log [A-]/[AH], where A- is the conjugate base and AH is the weak acid. Calculate the pH of an acetate buffer in which the acetate concentration [CH3COO-] is 3.5 times greater than acetic acid [CH3COOH].

asked by meghan on February 7, 2013
27. ## Chemistry

In an experiment 2.750 g of magnesium is reacted with 2.571 g of oxygen gas according to the equation: Mg + O2 ==> MgO. What mass of the other reactant is in exess? You need equal number of moles of each. Which has the excess? moles Mg=2.750/molmassMg

asked by Ashley on June 3, 2007
28. ## Physics

A ball is dropped from rest from the 4th story of a building, 14 meters off of the ground. How much time passes before the ball hits the ground? What is the ball’s velocity (speed AND direction) the split-second before it hits the ground? This answer is

asked by Anonymous on September 17, 2017
29. ## chemistry

How would you prepare a 150.0mL of a 3.50 pH buffer solution using .500M NaOH and .500M HCOOH. I've gotten the base/acid ratio for the Henderson-H. equation. But now I'm not sure how to figure out the balance of solutions of HCOOH and NaOH to get both

asked by Israel on March 7, 2011
30. ## artificial sweeteners

Do artificial sweeteners have any bad side effects? Yes. Read it all here, this article goes over the weakensses of the sweeterners. http://www.westonaprice.org/modernfood/sugarfree_blues.html Artificial sweeteners have no bad side effects, except for a

asked by Anonymous on October 15, 2006
31. ## english

In my examination, I come across following one word substitutes. I know some of the answers which I have written below. please help me to write other answers. 1. accept as heir (adopt) 2. ability to endure 3. able to live bothe on land and in

asked by Ramesh Reddy on November 27, 2011
32. ## History

All of the following were Union Army objectives leading up to the Battle of Shiloh except A. The seizure of major rail lines near the Mississippi-Tennessee line B. The continued control of major rivers in the South C. The continued division of the CSA into

asked by Elizabeth on December 10, 2017
33. ## English

Could you please check these sentences, please? I'm not sure about the rephrase. 1)In the first stanza the poet remembers wondering aimlessly and alone in the countryside. All at once he was amazed by the sight of a crowd of daffodils dancing ad fluttering

asked by Henry1 on May 30, 2011
34. ## Algebra

The cost in millions to remove x% of pollution in a lake modeled by C=6000/200-2x. What is the cost to remove 75% of the pollutant? What is the cost to remove 99% of the pollutant? For what value is this equation undefined?

asked by Carla on September 1, 2010
35. ## Math

A square measure 9 feet on a side. If each side of the square is increased by 3 feet, how many square feet are added to the area? What are the steps in solving this math equation?

asked by Aj on November 25, 2017
36. ## CALCULUS!

f(x)=(6x^3–9x^2–3x–1)/(4x^2+7x–3) . Find the equation of the non-vertical asymptote. y = ____3x/2 - 39/8_____ Does f(x) intersect its non-vertical asymptote? (yes or no) ___YES____ What is the smallest value of x at which f(x) intersects its

asked by Brit on July 21, 2011

The cost in millions to remove x% of pollution in a lake modeled by C=6000/200-2x. What is the cost to remove 75% of the pollutant? What is the cost to remove 99% of the pollutant? For what value is this equation undefined?

asked by Carla on September 1, 2010
38. ## math

The equation C = 500 + 50x describes the total cost of a wedding reception, where C is the total cost and x is the number of guests. What is the total cost for 125 guests?

asked by crystal on October 13, 2011
39. ## Accounting

On June 30, 2011, Georgia-Atlantic, Inc., leased a warehouse facility from IC Leasing Corporation. The lease agreement calls for Georgia-Atlantic to make semiannual lease payments of \$585,423 over a three-year lease term, payable each June 30 and December

asked by Jessica on March 10, 2011
40. ## Physics

A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.77 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 1.04 s before

asked by Mathew on February 2, 2012
41. ## Physics

A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.53 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 1.01 s before

asked by Connor on September 20, 2013
42. ## math

automoniles arrive at the drive-through windom at a post office at the rate of 4 every 10 minutes. the average service time is 2 minutes. the poisson distributimes are exponentially distributed. (A) what is the average time a car is in the system? (b) what

asked by mark on June 7, 2011
43. ## Sequential and Selection Processing Control Struct

You are an accountant setting up a payroll system for a small firm. Each line of the table in Appendix G indicates an employee’s salary range and corresponding base tax amount and tax percentage. Given a salary amount, the tax is calculated by adding the

asked by IT210 on August 26, 2011
44. ## Physics

This is another problem that I need clarification on since no one seems to be of any help at my school, A pulley system is used to lift a 52- crate.Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to

asked by Matthew on October 8, 2009
45. ## Math

Hi, I need urgent help with these 3 integrals problems ... been stuck on the questions and the deadline is Friday. Thanks a lot ! 1) For the green's theorem, Q: Using Green's theorem, evaluate the line integral F(r).dr counterclockwise around the boundary

asked by Blur on April 5, 2007
46. ## Grammar -- subject-verb agreement

"Susannah Wheatley, wife of slaveholder John wheatley, took great interest in Phillis's education, and it was (she/her) who taught Phillis how to read and write English." We're to choose the appropriate verb for the subject (Susannah Wheatley), but I'm

asked by Jack on September 25, 2007
47. ## Trig

A group of friends are going on a vacation together. They plan to rent a large house for \$3000 and share the cost. They also estimate that the buying food for the week will cost \$150 per person. Write a reciprocal function to calculate the cost per person

asked by John on December 7, 2017
48. ## Math

Diegos class planning a field tripfor 25 students.They will go to aquarioum and then to science museum. Each ticket for science cost \$2 more than each ticket to aquarium. Lunch for each student is \$5 additional. Write and expression for total cost of

asked by Darryl on September 10, 2017
49. ## english

A poem in the 1930-1960's that relates to "How To Kill A Mockingbird"?I have to write a five paragraph paper discussing how the poem relates to one of the following from To Kill a Mockingbird:themes,social,issues,or a character.I am having major problems

asked by michelle on March 18, 2007
50. ## Geography

Some time ago, I posted up an essay that I had to write but its information was out of my book so i was told to make it in my own words. I have to mail out the exam today and I still havn't gotten anywhere with it!! I've tried to understand each of the

asked by mysterychicken on October 12, 2009
51. ## algebra

Preview: ... 2y=2 and y=1 are the same line. Part II: Greener Lawns C=\$200 + 50h; Lawns for Less C=\$300 + 25h 200+50h = 300+25h 25h=100 h=4; both plans cost the same if you use the company for 4 hours. If you use them for less than 4 hours you should go

asked by Anonymous on June 20, 2011
52. ## Math

Write a number that has a hundreds digit less than 7, a tens digit less than 5, a tenths digit one more than its tens digit, a thousandths digit twice the tens digit, and other digits of your choice.

asked by Penny on September 30, 2012
53. ## French

I have to construct a sentence in the passive indicative. I googled "French Passive Indicative" and everything was in Latin, not in French. Could you provide me with an example of how to write in the passive indicative?

asked by Shea on May 2, 2011
54. ## Math

How do you write a number that has a hundreds digit less than 7 , a tens digit less than 5 ,a tenths digit one more than its tens digit , a thousandths digit twice the tens digit , and other digits of your choice?

asked by Mhyree on October 3, 2011
55. ## algebra

Jim is paid for overtime when he works more than 40 hours per week. Write an expression for the number of hours he works overtime when he works h hours.

asked by Alex on September 6, 2012
56. ## Chemistry

A volume of 60.0 of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 25.2 mL of 1.50M H2SO4 was needed? The equation is 2KOH+H2SO4-->K2SO4+2H2O. I cant seem to

asked by Paris on June 25, 2011
57. ## chemistry

Barium Nitrate is a not very soluble nitrate. Calculate the Ksp (at 25 degrees) from the following ΔG's: Ba2+ = -561kj/mole NO3 1- = - 109kj/mole Ba(NO3)2 = - 797 kj/mole I did the first step and I ended up with dGrxn = -127 kj/mol. When I plugged it into

asked by Viki on May 4, 2012
58. ## Statistics

x3 = −16.2 + 4.0x1 + 9.4x4 − 1.3x7 Suppose that n = 14 data points were used to construct the given regression equation and that the standard error for the coefficient of x4 is 0.963. Construct a 90% confidence interval for the

asked by Amy on May 6, 2019
59. ## Chemistry

A strip of zinc metal was placed in a beaker that contained 120mL of a solution of copper(2) nitrate, Cu(NO3)2(aq). The mass of the copper produced was 0.813g. Find the initial concentration of the solution of copper(2)nitrate. Can u help me out with

asked by Kristien on March 5, 2013
60. ## Chemistry

Calculate the S(univ) for the following phase change at 25 deg celcius. The boiling point of heptane is 98.0 Celcius and has a Delta Hvap= +21.6kj/mol. C7H16(l)--> C7H16(g) Delta S= +79.0j/k I know that the equation is Delta Suniv= DSsys + DSsurr PLEASE

asked by Hank on November 23, 2014
61. ## Physics

A hoop starts from rest at a height 1.8 m above the base of an inclined plane and rolls down under the influence of gravity. What is the linear speed of the hoop's center of mass just as the hoop leaves the incline and rolls onto a horizontal surface?

asked by David on February 16, 2016
62. ## Physics

If an object is thrown in an upward direction from the top of a building 1.60 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground? (Disregard wind resistance. Round answer to nearest whole number and do

asked by Alexis on November 7, 2012
63. ## Algebra II

Growth and Decay Dave bought a new car 8 years ago for \$8400. Tobuy a new car comparably equipped now would cost \$12,500. Assuming a steady rate of increase, what was the yearly rate of inflation in car prices over the 8-year period? Is there an equation

asked by Anonymous on May 20, 2010
64. ## math

Answer by factoring a quadratic equation. The length of an open-top box is 4 cm longer than its width. The box was made from a 480-cm^2 rectangular sheet of material with 6cm by 6cm squares cut from each corner. The height of the box is 6cm. Find the

asked by Jane on April 18, 2012
65. ## algebra

Legolas shoots a flaming arrow straight up into the air (from a distance of 2.6 meters from the ground) at 42 meters per second. The gravitational pull of the Earth is about 4.9 meters per second squared. Which quadratic equation correctly models this

asked by kylie on January 13, 2019
66. ## Physics

A block of mass m=25 kg is hung by a massless rope of length L=1.90 m from the ceiling of an elevator. The elevator has a downward acceleration of a=2.20 m/s^2. When the pendulum is set in a small amplitude oscillation, the period T of the pendulum is: A)

67. ## FRENCH --Venir

Based on the illustrations, write sentences with VENIR DE to tell what everyone has just done. 1. Nous venons de faire du shopping. 2. Je viens de manger mon sandwich au jambon. 3. Ils viennent de téléphoner. 4. Tu viens de préparer une tarte. 5. Elle

asked by Sydney on April 14, 2011
68. ## Biology

What is an adrenalin receptor? For a bio project at school i have to write the gene name, the # of amino acids, the # of peptides, the tissue signal, the role, the interactions, the active site/substrate, the disease/cures/inhibitors. i've googled

asked by anonymous on October 24, 2010
69. ## Math/Science(Short Question 10th grade))

[History Homework] Please answer 1. What are 2 pieces of technology essential today? 2. If you could give a prehistoric person one item from today what would it be? 3. Why is writing important for civilizations? 4. Why is theater/drama important to

asked by Bone on September 15, 2011
70. ## Social Studies

“Do not put such unlimited power into the hands of the husbands. Remember, all men would be tyrants if they could. If particular care and attention is not paid to the ladies, we are determined to foment a rebellion, and will not hold ourselves bound by

asked by Alice on October 16, 2018
71. ## english

Instructions Write a poem of at least eight lines using a set meter and rhyme scheme. You may, if you wish, attempt a sonnet, a villanelle, or a ballad, but you will probably find it easier to design your own form. Quatrains ofabab, cdcd or abcb, bcdb are

asked by Courtney on June 2, 2010
72. ## algebra 2

In 1862, two companies were given the rights to build a railroad from Omaha, Nebraska to Sacramento, California. The Central Pacific Company began from Sacramento in 1863 and averaged 8.75 miles of track per month. Twenty four months later the Union

asked by Denice on September 10, 2017
73. ## social studies

The homework was that you had to write a word that starts with the letter you get and it has to be about social studies.You have to describe the word and draw a picture about it. X ( a word that starts with x ) (description) (picture) The reason why i am

asked by lexie bowles on August 18, 2014
74. ## algebra

A salesperson earns a salary of \$500.00 per week, plus a commision of 2% of her total weekly sales. write an algebraic expression that computes the total weekly salary. Let m represent the total weekly sales.

asked by stephanie on December 14, 2008
75. ## writing skills

When you are told time after time that there are no jobs. And it is time _____________ for some creative thinking and acting. Which of the following is the best way to write the underlined portion of these sentences? If you think the original is the best

asked by piper on June 28, 2016
76. ## Math- Algebra

5. A box can hold a maximum of 60 comic books. If comic books are bundled together in groups of 8, write and solve an inequality to find the maximum number of bundles of comic books that the box can carry.

asked by Harish on January 28, 2016
77. ## Math

1.A restaurant surveys 60 of its customers about their new menu. 48 of the customers that take the survey prefer the new menu. A.Which value is unknown in this problem: the part, percent, or whole? B.Write and solve the proportion to find the percent of

asked by Francis on April 16, 2015
78. ## law

there are two kinds of law in south africa.write a paragraph in which you identify these two kinds of sources of law;name the examples of sources of law that belong to each kind;and indicate the differences betweem these teo kinds of sources of law.

asked by nancy on March 16, 2014
79. ## science

write up a conrol group and a experimaental group Example: Control:Plant with no fertilizer Eperimental groups:plant with fertilizer. The point of the control is to prove that the IV did something to the plant. Here's another example:

asked by jessika on September 14, 2006
80. ## Algebra

Myra uses an inverse variation function to model the data for the ordered pairs below. (2, 30), (3, 20), (4, 15), (5, 12), (6, 10) Which statement best explains whether an inverse variation function is the best model for the data? An inverse function is

asked by Melanie on July 7, 2014
81. ## Math

Suppose that an object is 100 lbs when it is at sea level. find the value of c that makes the equation true. (Sea level is 3963 miles from the center of the earth.) Use the value of c you found in the previous question to determin how much the object would

asked by Gamel on March 10, 2008
82. ## Chemistry

This is a question I am presently doing right now which I found in my homework. I am quite sure that in (a) I have to use the Hasselbach equation though I am not sure how to work it out. If anyone knows any of the answers, and how you got to them, please

asked by Matthias on September 29, 2012
83. ## Chemistry

A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnSO4 + 8H2O + K2SO4. It requires 46.0 mL of 0.145 Mol/L KMnO4 to titrate 50.0 mL of the solution

asked by Brett on July 3, 2014
84. ## Chemistry

This is a question I am presently doing right now which I found in my homework. I am quite sure that in (a) I have to use the Hasselbach equation though I am not sure how to work it out. If anyone knows any of the answers, and how you got to them, please

asked by Matthias on September 29, 2012
85. ## Chemistry

A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnSO4 + 8H2O + K2SO4. It requires 46.0 mL of 0.145 Mol/L KMnO4 to titrate 50.0 mL of the solution

asked by Dan on July 3, 2014

For the reaction, 2 SO2(g) + O2(g) == 2 SO3(g), at 450.0 K (Kelvin) the equilibrium constant, Kc, has a value of 4.62. A system was charged to give these initial concentrations, (SO3) = 0.254 M and (O2) = 0.00855 M, and (SO2) = 0.500 M. In which direction

asked by Hannah on March 14, 2012
87. ## physics

The torques acting on the crane boom can be computed about anaxis passing through the top of the boom. (this is the place wherethe spring scale and mass hanger connect to the boom) apply thesecond condition for equilibrium to the crane boom and derivethe

asked by Anna on November 28, 2012
88. ## Chem

Solid magnesium metal reacts with chlorine gas according to the following equation: Mg + Cl2 --> MgCl2 What mass of magnesium chloride is formed in the reaction between 7 g of Mg and 7.9 g of Cl2 use the masses to two decimal places on the chart in the

asked by Mary on October 18, 2013
89. ## Physics

A 3.9 g bullet leaves the muzzle of a rifle with a speed of 311 m/s. What total constant force is exerted on the bullet while it is traveling down the 0.82 m long barrel of the rifle? I converted 3.9 g to .0039 kg Used the equation t=d/r

asked by Rebecca on March 24, 2011
90. ## Chemistry II (College)

How would I go about solving this problem? Can someone show me an equation that can be used? The decomposition of dimethyl ether at 504°C is a first-order reaction with a half-life of 27 min. (CH3)2O(g) CH4(g) + H2(g) + CO(g) What will be the total gas

asked by Tim on March 12, 2010
91. ## Physics

A lead ball, with an initial temperature of 25.0oC, is released from a height of 125.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it

asked by Jake on February 7, 2019
92. ## math

A ball is thrown straight up. Its height, h(in metres), after t seconds is given by h=-5t^2+10t+2. To the nearest tenth of a second, when is the ball 6m above the ground? Explain why there are two answers. set h=6 rearrange the quadratic equation to get

asked by Shay on January 18, 2007
93. ## CHEM

am lost. I have to create a buffer using NH4CL and 0.10 M NH3. I have to chose how much of the reagent to use in order to get a concentration between 0.01 and .5 M. Then after I come up with the recipe for that I have to calculate the pH based on the

asked by Erica on April 5, 2016
94. ## AP Chem

Hey guys! I'm not really stuck on this problem, but I was wondering if someone could look it over to make sure that what I did makes sense. Thank you: 1) Balance this equation. What is the coefficient in front of I2? IO− + I− --> I2 in acidic solution

asked by Allie on October 25, 2015
95. ## Chemistry

The relative number of elements and compounds in a chemical equation are represented by either coefficients, subscripts, charges of phase symbols. I think it's coefficients, but is this right? My other question is that if you start a reaction with four

asked by Khzyata on April 18, 2009
96. ## Chemistry

Balanced Chemical Equation: 1 N204(l) + 2 N2H4(l) --> 3 N2(g) + 4 H20(g) If you start with: 5.0 x 10^4g hydrazine (N2H4) "in the tank": 1) How many moles of nitrogen can be created (assuming 100% yielded)? 2) How many moles of water can be produced? 3)

asked by Roger on November 19, 2010
97. ## chemistry

At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of oxygen gas and excess water to produce nitric acid according to the following equation: O (g) H O(l) 2 HNO (g) 2 2NO(g) 3 + 2 + 2 ⎯⎯→ 3 . If all of the nitric acid produced by

asked by bob on March 21, 2010
98. ## Chemistry

Balanced Chemical Equation: 1 N204(l) + 2 N2H4(l) --> 3 N2(g) + 4 H20(g) If you start with: 5.0 x 10^4g hydrazine (N2H4) "in the tank": 1) How many moles of nitrogen can be created (assuming 100% yielded)? 2) How many moles of water can be produced? 3)

asked by Roger on November 19, 2010
99. ## chem

The following equation describes the oxidation of an acidified solution of sodium oxalate (Na2C2O4) by potassium permanganate(KMnO4) 5C2O4 + 2MnO4 + 16H2SO4 --> 10CO2 + 2Mn + 16HSO4 + 8H20 What volume of 0.127M sodium oxalate in sulphuric acid will react

asked by tomi on April 7, 2009
100. ## College Math

Hooke's Law the table shows the distance D that a spring stretches when a weight W is hung on it. W (pounds 2 6 9 15 D (inches) 1.6 4.8 7.2 12 (a.) Do the data represent direct or inverse variation? Explain. (b.) Find an equation that models the data. (c.)

asked by Shin on April 28, 2011