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October 1, 2014

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English12 (EssayCheck Part 1)
I know I posted this but, I need suggestions on my essay. I'm going to break this into parts so it doesn't look so long make it easier. Please give me any feedback. I just want to know what you think about it. Don't worry about grammar errors for now. I need this for marks on ...
December 3, 2011 by NeedHelp

english12
what is a declarative statement?
January 29, 2008 by Marcelline

English12
In the short story,defender of the faith by philip roth,What incident finally convinces Marx to punish Grossbart?
May 24, 2010 by Stella

English12
In the short story defender of the faith,by philip roth,Explain 3 occasions where Grossbart tries to "manipulate" Marx.Is he successful in his attempts?
May 24, 2010 by Stella

English12
In the short story defender of the faith by philip roth,what is the theme of the story?Justify 150 words
May 24, 2010 by Stella

English12
In the short story defender of the faith by philip roth,Outline 3 occasions where Grossbart accuses Marx of being Prejudiced against his own people(jews)
May 24, 2010 by Stella

English12
Need help on a Research paper, my author is CS Lewis, I am having a major writers block on what to write about, teacher has left it fairly open, need to have an outline and cited works today but he is pretty slack I could have it in tomorrow and be fine, either way stuck on ...
May 30, 2013 by Brad

physics
A 9.3 kg firework is launched straight up and at its maximum height 45 m it explodes into three parts. Part A (0.5 kg) moves straight down and lands 0.29 seconds after the explosion. Part B (1 kg) moves horizontally to the right and lands 10 meters from Part A. Part C moves to...
December 21, 2008 by seth

physics
A 9.3 kg firework is launched straight up and at its maximum height 45 m it explodes into three parts. Part A (0.5 kg) moves straight down and lands 0.29 seconds after the explosion. Part B (1 kg) moves horizontally to the right and lands 10 meters from Part A. Part C moves to...
December 22, 2008 by seth

math...
A. Solve a-9=20 I did 20+9=29 29-9=20 a=29 Part b solve b-9>20 I did b-9>20 b-9+9>20+9 b>29 Part c how is solving the equation in part a similar to solving the inequality in part b? I put They are both using the same numbers. Part D I put A is equal to and b is ...
September 25, 2014 by Anonymous

English12 (EssayCheck Part 3)
This is part 3 of my essay. Give any feedback. Any suggestions. This peer editing is part of my marks for my essay. Anytime you got can you look over my essay. don't worry about errors I got that cover. Ernest Hemingway had many writers as his literary influences that helped ...
December 3, 2011 by NeedHelp

algebra :( help me!!
The table below shows the weekly earnings of two groups of employees working part-time at a local grocery store. GROUP A: $245, $224, $218, $295, $214, $312, $284 GROUP B: $223, $230, $310, $246, $295, $301, $215 PART A: What is the mean for each group? PART B: What is the ...
April 12, 2013 by Alexandrea

English
Early Inklings Short Essay by John Updike. The title, “Early Inklings” is an example of a pun (a witty play on words that suggest a double meaning) . Explain the pun and the meaning of the title. I don't even know where to start... Also, How does the last line reinforce ...
January 28, 2011 by Tyler

physics
A 9.3 kg firework is launched straight up and at its maximum height 45 m it explodes into three parts. Part A (0.5 kg) moves straight down and lands 0.29 seconds after the explosion. Part B (1 kg) moves horizontally to the right and lands 10 meters from Part A. Part C moves to...
December 22, 2008 by seth

Chemistry
6ClO2 + 3H2O -> 5HClO3 + HCl a) If 71g of ClO2 is mixed with 19g of water, what is the limiting reactant? b) What mass of HClO3 is expected in part (a)? c) How many molecules of HCl are expected in part (a)? I completed part a and b but got stuck on part c. Help!
October 29, 2007 by Marty

Check Please(Math)
(-2x^2y)^3*(5xy^3)^2=(-2x^2y)^3 = -8 x^6 y^3 *Please check my work. What did you do with the (5xy^3)^2 part. The first part you did ok. But you can't just throw away part of the equation. I don't get that part.What do I do there.? (5xy^3)^2=25x^2y^6 You did the first part ok ...
February 6, 2007 by Margie

physics
An athlete executing a long jump leaves the ground at a 28.0 angle and lands 7.60m away. part a)What was the takeoff speed? part b) If this speed were increased by just 8.0 % , how much longer would the jump be? i got for part a)9.48 m/s but i need help with part b
April 22, 2012 by emily

College Chemistry
Part a: What mass of solid CuCL2 is required to prepare 450.0mL of 0.125M CuCl2 solution?? Part B: What are the concentrations of Cu +2 ions and Cl- ions in the above solutions. I understand part a, and got the right answer. i need help understanding part b.
March 30, 2010 by James

physics. HELP PLEASE !
An athlete executing a long jump leaves the ground at a 28.0 angle and lands 7.60m away. part a)What was the takeoff speed? part b) If this speed were increased by just 8.0 % , how much longer would the jump be? i got for part a)9.48 m/s but i need help with part b
April 22, 2012 by emily

MATHS
A CONE WAS CONSTRACTED FROM PLASTIC, HAVE A HEIGHT OF 20cm (PART C). THE LID IS MADE UP OF HEMISPHERE HAVE RADIUS 0F 5cm (PART A) AND PYRAMID HAVE VOLUME OF 81,667cm. THE LID FITS EXACTLY OVER THE CONE. A) CALC. THE VOL. OF PART A. B) CALC. THE VOL. OF PART C. C) CALC. THE ...
August 9, 2010 by MTHOMBENI BAFANA

Chemistry
Part 1: Each molecule of NO2, nitrogen dioxide, consists of 1 atom of N and 2 atoms of O. If you have 0.155 g. of NO2, how many molecules of NO2 do you have ? 0.155gx46.0 = moles moles x 6.02 E23 = answer Part 1 Answer: 2030000000000000000000 Part 2: How many atoms of N do you...
June 14, 2011 by Summer

chemistry
Complete and balance the equations for each of the following reactions. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: KHCO3(s) + HCl(aq) ---> Part B: Ca(s) +H2SO4(aq) ---> Part C: H2SO4(aq) + Al(OH)3(aq) ---> Part D: ...
April 1, 2012 by Lisa

Math-Help
Consider the pair of linear equations below. 4x+6y=12 2x+3y=6 Part A: What is the relationship, if any, between 12 and 6? Part B: Do the two equations have one solution, no solution, or infinitely many solution? Explain. Part C: How can you verify your answers to Part A and B ...
April 1, 2013 by Jayson Angole

math
Consider the pair of linear equations below. 4x+6y=12 2x+3y=6 Part A: What is the relationship, if any, between 12 and 6? Part B: Do the two equations have one solution, no solution, or infinitely many solution? Explain. Part C: How can you verify your answers to Part A and B ...
April 2, 2013 by Jayson Angole

CHRIST MATH
Divide 20 into 4 parts which are in AP such that ratio between the product of the 1st part and the 4th part to the 2nd and 3rd part is 2:3 find the AP
March 12, 2013 by pavithra

English12 (EssayCheck Part 2)
I know I posted this but, I need suggestions on my essay. I'm going to break this into parts so it doesn't look so long make it easier. Please give me any feedback. I just want to know what you think about it. Don't worry about grammar errors for now. I need this for marks on ...
December 3, 2011 by NeedHelp

intro to physics
an athlete executing a long jump leaves the ground at a 28 degree angle and lands 7.6 m away. part a )what was the takeoff speed ? part b) if this speed were increased by just 8.0% , how much longer would the jump be ? for part a) i got roughly 9.48 but i am getting the ...
April 21, 2012 by emilia

physics
A small airplane with a wingspan of 13.5 m is flying due north at a speed of 70.8 m/s over a region where the vertical component of the Earth's magnetic field is 1.20 T downward. (a) What potential difference is developed between the airplane's wingtips? mV (b) Which wingtip ...
December 2, 2011 by Charles

Calc
Let f be the function that contains the point (-1,8) and satisfies the differential equation dy/dx=10/(x^2+1) (a) Write the equation of the tangent to f at x=-1. (b) Use your equation in part a to estimate f(0). (c) We know that the integral from -1 to 0 of 10/(x^2+1) equals ...
February 15, 2014 by Anon

business
which statement presents a negative element in a positive way? the part cant be replaced at no charge only if your unit is less two years old. if your unit is too old,you will have to pay 49$ for a replacement part. we cannot replace the part for free on those older units. You...
January 27, 2012 by gail

Language arts
Not sure if I'm correct . 2. What do facial features in the poem diondra Jordan symbolize ? A.the part of each person that's similar to ones relative .B. The part of each person that is uniquely ones own . C. The part of each that one wishes one could change. D. The part of ...
May 24, 2014 by Bree

lal
present and past participle i have to write if each participle are past or present. are my answers correct 1. everyone has wondered(past participle)what the great detective was thinking(present participle) 2. carol has rescued(past part.)the trembling(present part.)cat. 3. the...
May 24, 2010 by Sara!

anthropology
What ethical challenges come up when studying another culture? How does one balance the fact that anthropology is part social science, part humanity, and part biology?
September 1, 2010 by kristina

physics
I really need help on D part of the following problem: A clever engineer designs a "sprong" that obeys the force law F subscript e = -q(x - x subscript e)^3, where x subscript e is the equilibrium position of the end of the sprong and q is the sprong constant. For simplicity, ...
December 1, 2009 by Ashley

Math
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A)
July 28, 2011 by Jen

Math
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A)
July 28, 2011 by Jen

chemistry
For 6.0*10^-2 M H2CO3, a weak diprotic acid, calculate the following values. Use ionization constants of H2CO3: Ka1=4.4*10^-7, Ka2=4.7*10^-11, as necessary. PART A: [H3O^+] M PART B: [HCO3^-] M PART C: [CO3^2-] M
October 19, 2012 by aliceallyx3

physics- please help
A 65 kg bungee jumper leaps from a bridge. She is tied to a bungee cord that is 11m long when unstretched, and falls a total of 30m . Part a) Calculate the spring constant of the bungee cord assuming Hooke's law applies. part b)Calculate the maximum acceleration she ...
May 24, 2012 by emmie

physics
A 3Kg projectile is fired straight upward from earth's surface with a speed that is one-fourth the escape speed. Neglecting air resistance. a) What is the Kinetic energy of this projectile when it is launched? b) what is the gravitational potential energy of this projectile ...
February 14, 2011 by rick

Math-Can you help me Damon or Reiny?
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A)
July 28, 2011 by Jen

Business Communications
Which statement presents a negative element in a positive way? (Points: 5) The part can be replaced at no charge only if your unit is less than two years old. If your unit is too old, you will have to pay $49 for a replacement part. We cannot replace the part for free on those...
November 5, 2010 by lisa

@damon
I am still getting the wrong answrs, can you please do me a favor and for each part list the formulas and steps i need to do in order to get the answer. thank you At serve, a tennis player aims to hit the ball horizontally. part a)What minimum speed is required for the ball to...
April 22, 2012 by Clarissa

Algebra 1
your school is conducting a poll that has two parts,one part that has 13 questions and a second part that has 10 questions. Students can answer the questions ineither part with 'agree' or 'disagree'. What power of two represents the number of ways there are to answer the ...
January 18, 2010 by Javar

mathematics word problems
Club members wrote a program together, with several people working on each of 4 parts. If the first part of the program required 1/3 of the total time, the second part needed 1/2 of the remaining time, the third part took 30 minutes, and the fourth part took 60 minutes, how ...
August 7, 2014 by Epson

Physics
I had a two part question in which I'm fairly sure I did the first part correct, but part b I am unsure about. For part a, I had to determine the magnitude of the net electric field at the origin, which I got E= 1.7 X 10^7 N/C. Part b)if a point charge of 3 C was placed at ...
July 23, 2012 by Janah

algebra 2
Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal or vertical. Then rewrite your equation for each conic in standard form, identify (h, k), and describe the ...
May 27, 2012 by jenny

algebra 2
Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal or vertical. Then rewrite your equation for each conic in standard form, identify (h, k), and describe the ...
May 27, 2012 by jenny

Dr. Bob
So should it also be introduced into to the methods part to since I had to do that as part of my methods. And you want me to put the equations into my discussion part of the lab report of each run the equations are y=mx+b or should I put that in the result part
November 18, 2007 by Suzy

medical billing
2. Mr. B is an 82-year-old retired railroad worker who is having a mole removed at his physician's office. The physician's office is probably billing which of the following? A. Medicare Part D B. Medicare Part C C. Medicare Part A D. Medicare Part B
December 10, 2012 by Anonymous

Physics
I solved part A but not part B: A batted baseball leaves the bat at an angle of 35.0 degrees above the horizontal and is caught by an outfielder 370 ft. from home plate at the same height from which it left the bat. Part A: What was the initial speed of the ball? Answer: 34.3 ...
September 25, 2010 by .

Ms. Sue - ACT Test
I was wondering if you had any experiences with the english part of the ACT test. About 3 hours ago, I took a pratice test on the english part of it, and got like 20/35. Thats like 57% right. I want to know how to tackle those sections where they have a sentence, and part of ...
February 22, 2009 by Chopsticks

Physics
A baby elephant is stuck in a mud hole. To help pull it out,game keepers use a rope to apply force FA, as part(a) of the drawing shows. By itself, however, forceFA is insufficient. Therefore, two additionalforces FB and FC are applied, as in part (b)of the drawing. Each of ...
August 31, 2012 by Anonymous

Math
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A) ...
July 27, 2011 by Jen

MATH
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A) ...
July 27, 2011 by Jen

Algebra II
I am lost on this one!!! Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal or vertical. Then rewrite your equation for each conic in standard form, identify (...
May 28, 2012 by Jared

Physics
The equation of motion for an oscillator in vertical SHM is given by y=(0.60m)sin[(130rad/s)t]. Part A What is the amplitude of this motion? Part B What is the frequency of this motion? Part C What is the period of this motion?
December 10, 2013 by Becca

Medical billing and coding
What option of Medicare is known as supplemental medical insurance coverage? A)Medicare Part C B)Medicare Part A C)Medicare Part D D)Medicare Part B
January 10, 2013 by Yorhe

chemistry
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: H3PO4(aq) and NaOH(aq) Part B: Hl(aq) and LiOH(aq) Part C: HNO3(aq) and Ca(OH)2(aq
April 1, 2012 by Lisa

Math-Please help :(
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A) ...
July 27, 2011 by Jen

MATH-PLEASE HELP :(
Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A) P(B) P(A|B) P(B|A) ...
July 28, 2011 by Jen

algebra help please
I notice that other problems are answered in a timely manner....was is my overlooked? Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal or vertical. Then ...
May 27, 2012 by jenny

physics
At serve, a tennis player aims to hit the ball horizontally. part a)What minimum speed is required for the ball to clear the 0.90m--high net about 15.0m from the server if the ball is "launched" from a height of 2.50m ? part b)here (relative to server) will the ball land if it...
April 22, 2012 by Clarrissa

ap physics
At serve, a tennis player aims to hit the ball horizontally. part a)What minimum speed is required for the ball to clear the 0.90m--high net about 15.0m from the server if the ball is "launched" from a height of 2.50m ? part b)here (relative to server) will the ball land if ...
April 22, 2012 by clarissa

biology
What part absorbs light and converts it into nerve impulses What part bends light that enters the eye so that what you see is focused on your retina What part transfers the image the eye sees to the brain for perception
May 20, 2014 by sandra

algebra
two investments were made totaling $15,000. for a certain year these investments yielded $1432 in simple interest. part of the $15,000 was invested at 9% and part at 10%. find the amount invested at each rate. a total of $1150 was invested, part of it at 12% and part at 11%. ...
November 1, 2010 by matt

math
if part a of a square is one fourth and part c is one tenth then what is part b?
January 15, 2013 by natalie

Language Arts
For a book report, we are doing a "subamarine sandwich". One part is scene illustration - reflective of plot. I don't know how to do this part. Choose a part of the book that brings the most vivid images into you mind. Then you can ~~draw it ~~paint it ~~make a collage with ...
February 1, 2007 by Lynnette

math
Consider the following binomials. A=(x^2+5x) B=(6x+30) Part 1: Factor each binomial by finding the GCF. Then, add the two factored binomials to make a single expression. Part 2: Now add the original forms of binomial A and B together to make a trinomial. Factor the trinomial. ...
February 2, 2008 by mark

physics @ elena
can you please help me with this one At serve, a tennis player aims to hit the ball horizontally. part a)What minimum speed is required for the ball to clear the 0.90m--high net about 15.0m from the server if the ball is "launched" from a height of 2.50m ? part b)here (...
April 22, 2012 by emily

math
(a) You have of an hour to take a three-parts exam. You use of an hour for the first part and of an hour for the second part. How much time do you have left to finish the last part of the test?
January 10, 2009 by rosland

Physical Science
Suppose you made your own hydrometer. The lower part of a hydrometer has a volume of 7.0 g/cm3 and the upper part is 5.0 cm long and has a cross-sectional area of 0.62 cm2. What length of the upper part of the hydrometer will be submerged?
February 22, 2011 by Dee

ALG 2 PLZ PLZ HELP
As you can see, the biker and his friend are having a hard time getting up the hill. They would like to get to the top safely. Two ordered pairs on the hill are given as (6, 3) and (8, 7). Part 1: Find the slope of the hill. Slope (m) = change in y over change in x. Part 2: ...
December 16, 2012 by tyneisha

math
In a recent civil service examination, 1/8 of the candidates failed the first part of the test.Of those eligible to take the second part of the competive examination, 2/7 successfully passed.What part of the original candidates were successful in the examination?
May 22, 2014 by peter

algebra
Renee belongs to a bowling club. She scores 50, 52, 55, and 59 on her first four games. She hopes to continue improving according to this pattern. Part A: What are the next four terms in Renees sequence? Part B: Write an recursive function rule for the sequence? Part C: What ...
May 23, 2012 by sam

algebra 2
Renee belongs to a bowling club. She scores 50, 52, 55, and 59 on her first four games. She hopes to continue improving according to this pattern. Part A: What are the next four terms in Renees sequence? Part B: Write an recursive function rule for the sequence? Part C: What ...
May 24, 2012 by jenny

math
Consider the following binomials. A=(x^2+5x) B=(6x+30) Part 1: Factor each binomial by finding the GCF. Then, add the two factored binomials to make a single expression. Part 2: Now add the original forms of binomial A and B together to make a trinomial. Factor the trinomial. ...
February 2, 2008 by mark

math
andre wants to figur out his resting heart rate. he counted 7 heart beats in 6 secconds part A show the data as a fraction part B using the rate from part A calculate andres rate of heartbeats per minute
March 19, 2008 by marquis

math sos.
dURING THE FIRST PART OF A TRIP, A CONOEIST TRAVELS53 MILES AT A CERTAIN SPEED . The canoeist travels 9 miles on the second part of the tripat a speed 5 mph lower.The total time for the trip is 5 hrs, what was the speed on each part of the trip. The first part of the trip was...
April 12, 2009 by tera

Chemistry
Part A Calculate the standard enthalpy change for the reaction 2A+B --->2C +2D Use the following data: Substance Delta H(kJ/mol) A -263 B -391 C +203 D -523 Express your answer in kilojoules. MY ANSWER FOR PART A: Delta H =277 kJ PART B----THIS ONE I NEED HELP ON Express ...
June 16, 2011 by tina

Chemistry
Part A Calculate the standard enthalpy change for the reaction 2A+B --->2C +2D Use the following data: Substance Delta H(kJ/mol) A -263 B -391 C +203 D -523 Express your answer in kilojoules. MY ANSWER FOR PART A: Delta H =277 kJ PART B----THIS ONE I NEED HELP ON Express ...
June 16, 2011 by tina

Math
3(-5)squared -2/-5(2)/2 squared I don't get the second part but... any number squared is positive so 3(-5) squared is 3x25 if only (-5) is squared. If the whole thing is squared then multiply first, (3x-5) then squared the answer. Is the second part...-2/-5? then is the same ...
September 25, 2006 by Sam

math
Consider the following binomials. A=(x^2+5x) B=(6x+30) Part 1: Factor each binomial by finding the GCF. Then, add the two factored binomials to make a single expression. Part 2: Now add the original forms of binomial A and B together to make a trinomial. Factor the trinomial. ...
February 2, 2008 by mark

Grammar
What part of speech is the word surveillance in "surveillance camera"? Also what part of speech is video in "home video"? Are they just considered part of the noun, or do they modify the nouns they come before, making them adjectives?
November 5, 2010 by JFer

physics
An egg is thrown nearly vertically upward from a point near the cornice of a tall building. It just misses the cornice on the way down and passes a point a distance 48.0 m below its starting point at a time 5.00s after it leaves the thrower's hand. Air resistance may be ...
March 5, 2012 by aisha

math algebra
Part 1: Which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring and why? 1. −b 2. b2 − 4ac 3. 2a Part 2: Create your own quadratic equation. Using complete sentences, and your answer from part 1, determine whether ...
August 11, 2010 by Ka'Sandra

chemistry
In part B of my question, I was asked calculate the number of atoms in 0.615 mol of 13C (mass number of this Carbon is 13). I received the correct answer of 3.70E23 atoms. However, I do not know how to do Part C of my question, which asks "Based on your answer in Part B, how ...
September 16, 2012 by Kevin

Chemistry
PartA: What volume of 10.0M NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCl? TrisHCl is a weak base and the molecular weight is 157.67 g/mol. I found the solution, it is 6.67 milliliters. Part B: "The buffer from Part A is diluted to 1.00 L. To ...
April 24, 2009 by Linda

Math
I have the answer to the first part of the question, which is What is the volume of Ted's Submarine model. The answer is 490.08=volume. The second part of the question is if 1 inch in the model represents 20 feet in the actual submarine, what is the volume of the actual ...
February 25, 2013 by Lia

physics
A light spring having a force constant of 130N/m is used to pull a 7.50kg sled on a horizontal frictionless ice rink. The sled has an acceleration of 2.50m/s^2? Part A: By how much does the spring stretch if it pulls on the sled horizontally? X=0.144m Part B: By how much does ...
September 26, 2013 by lori

physics
A baby elephant is stuck in a mud hole. To help pull it out, game keepers use a rope to apply a force FA, as part a of the drawing shows. By itself, however, force FA is insufficient. Therefore, two additional forces FB and FC are applied, as in part b of the drawing. Each of ...
January 30, 2011 by thaokieu

Science
Part 1 Which of the following is a redox reaction? a. H2CO3 (aq) + 2NH3 (aq) → 2NH4+ (aq) + CO32- (aq) b. 2VO3- (aq) + Zn (s) + 8H+ (aq) → 2VO2+ (aq) + Zn2+ (aq) + 4H2O (l) d. Zn(NO) (aq) + 2NaOH (aq) → Zn(OH) (s) + 2NaNO (aq) part 2 For the redox reaction in...
June 30, 2011 by Jessica

social studies
why aren't Alaska and Hawaii considered part of the Continental U.S.? Actually, it's probably more accurate to say that they are not part of the contiguous states. http://www.answers.com/contiguous Alaska is separated from Washington state by part of British Columbia, and ...
September 25, 2006 by e.

Physics
A baby elephant is stuck in a mud hole. To help pull it out, game keepers use a rope to apply a force FA, as part a of the drawing shows. By itself, however, force FA is insufficient. Therefore, two additional forces FB and FC are applied, as in part b of the drawing. Each of ...
May 27, 2012 by Jimmy Turner

trigonometry
Solution of problem: An electric post was broken by a strong typhoon .it rmed a right triangle with the ground.If a broken part makes an angle of 25 degrees with other part and the topmost part of the post which on the ground is 40 feet from the base ,how tall was the post?
September 17, 2012 by Anonymous

Managerial accounting
Han Products manufactures 30,000 units of part S-6 each year for use on its production line. At this level of activity, the cost per unit for part S-6 is as follows: Direct materials $ 3.60 Direct labor 10.00 Variable manufacturing overhead 2.40 Fixed manufacturing overhead 9....
September 15, 2011 by kim

physics
The acceleration due to gravity near a planet's surface is known to be 3.20 . Part A If the escape speed from the planet is 9.54 , determine its radius. Part B Find the mass of the planet. Part C If a probe is launched from its surface with a speed twice the escape speed and ...
September 29, 2012 by sammy

math
The old lion cage at the zoo was a square, with sides x meters long. For the part of the zoo's 50 birthday celecration, the zoo expanded the length and width. The expression for the total area of the new cage is (x^2+18x+81) square meters. Part 1:Robert thinks that the cage's ...
February 2, 2008 by mark

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 reactant. I figured out...
February 28, 2010 by Tiffany

Chemistry
A 1.00% by mass MgSO4 solution has a freezing point of -.192C. Water has a Kf of 1.86 (KxKg)/mol. a.) Estimate the vant Hoff i factor from the data. b.)Determine the total molality of all solute species. c.) Calculate the percentage dissociation of MgSO4 in this solution. I ...
January 27, 2014 by Anonymous

math
An electric post was broken by a strong typhoon.It formed a right triangle with the ground.If a broken part makes an angle of 25 degrees with the other part,and the topmost part of the post which is post which is on the ground is 40 ft from the base,how tall was the post?
March 10, 2012 by NIRVANA RIZA A. GARON

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