1. Chemistry

    Write a balance ionic and net equation for the following: KOH + HC2H3O2 I came up with the following but think this is wrong: KOH + HC2H3O2 -> H2O (l) + KC2H3O2 (aq)

    asked by Thao on May 13, 2011
  2. Math

    (100, 18,000) (200, 37,000) (300, 48,000) (400, 66,000) Write an equation for the line that models the data.

    asked by Chansyla on January 16, 2014
  3. Calc

    Find the constant of proportionality for the following situation: "y is jointly proportional to x and z and inversely proportional to w." w=2, x=5, y=4, and z=9 So i think the equation is y=xz/w But what is the constant of proportionalit supposed to mean?

    asked by Jake on October 2, 2011
  4. Science grade 8

    Which chemical equation is balanced? 1. H20 H 2 + 20 2 2. 2H20 2H2 +0 2 3. 2H20 H2 + 20 2 4. H2O 2H2 + 20 2 Im super confused... But I think its 4?? Im probably wrong so please help?!?!

    asked by Amy on March 23, 2015
  5. math

    if alpha and beta are 2 different values of θ lying between 0 and 2π which satisfy the equation 6cosθ+8 sinθ=9 find the value of sin alpha + beta ...

    asked by c uppadhaya on August 11, 2011
  6. Calc

    The slope of the tangent line to the parabola y=4x2–3x+5 at the point where x=–5 is: (-43) The equation of this tangent line can be written in the form y=mx+b where m is: (-43) and where b is:_____________?

    asked by Adam on April 21, 2010
  7. Proportions

    Am I doing this correctly and is the answer right? Assuming 1 hour of running in plsce burns 650 cal/h if a person ran in place for 15 min.'s how many calories would be burned? 650/1 * 1/4= 325/2=162.5 calories burned every 15 min.'s 650/1 = x/.25 will

    asked by Amber on May 22, 2007
  8. Algebra

    can somebody please help me with this question I've spent more than 3 hours on this, still nothing Let L1 be the line passing through the point P1=(2, −4, −6) with direction vector →d1=[1, 0, 2]T, and let L2 be the line passing through the point

    asked by sara on March 18, 2017
  9. Humanities/Religions of the World

    List at least two effects that organized religion has had on society and give examples from past and/or present world events that illustrate your examples.

    asked by Anonymous on July 9, 2007
  10. analytical chemistry

    Any help is greatly appreciated 5mL of a solution A (unknown concentration) was transferred into sic 25mL volumetric flask. The following volumes of a standard solution of A with with a concentration 75ppm were added to the flask: 0mL, 0.5mL, 1mL, 1.5mL,

    asked by Katy on May 8, 2015
  11. Basic Algebra

    The width of a rectangle is x inches long. The length of that rectangle is 5 inches less than Twice the width. If the perimeter measures 26 inches, what is the measure of the length and width of the rectangle. Show all the work and the algebra you used to

    asked by KP on April 11, 2012
  12. math

    You worried about math last year for 300,000 minutes. this year you will worry about math for only 60 minutes.What percent decrease in minutes of math worry will you experience this year? please explain and show work.

    asked by Johnny on July 1, 2014
  13. algebra 2

    With the wind, a jet can fly 2500 km in 2 hours and 30 minutes. Against the wind, it can fly only 2000 km in the same time. Find the rate of the jet if the rate of the jet if the rate of the wind is 100 km/hr. Please Show All Work!

    asked by Trisan on October 18, 2009
  14. Math

    On Monday, Casey ran 5 miles. On Tues, she ran three and three fifths miles. How much further did she run on Mon than Tues? Then, on Wednesday she ran four and one half miles. How much further did she run on Wed than on Tues? Could someone show me how I

    asked by Nick on March 9, 2014
  15. chemistry

    An optically active compound A, C6H10O2, when dissolved in NaOH solution, consumed one equivalent of base. On acidification, compound A was slowly regenerated. Treatment of A with LiAlH4 in ether followed by protonolysis gave an optically inactive compound

    asked by Joseph on April 10, 2015
  16. English

    Working on a research paper and I decided my topic is drinking and driving. I need to go deeper since my prof doesn't just want us to simply "tell her stuff" as in it can't be a list. So I'm thinking of either talking about deeper issues like Punishment

    asked by Riya on May 28, 2017
  17. accounting

    I have answer a hypothetical situation question as to what advice I would give to a business owner whose business in growing on how to make her accounting work more efficient. She manually enters in cash sales daily, makes purchase orders over the phone,

    asked by sylvia on September 26, 2010
  18. Math

    The ramp shown below is used to move crates of apples to loading docks at different heights. When the horizontal distance AB is 12 feet, the height of the loading dock, BC, is 6 feet. What is the height of the loading dock DE? 10 feet 12 feet 17 feet*** 18

    asked by Layla on December 6, 2015
  19. Algebra II (plz)

    Find the slope of the line that contains the two points (3,2) and (1,-4). m = - 3 m = - 1/3

    asked by Kate on February 1, 2017
  20. Algebra

    Find the slope of the line that contains the two points (3,2) and (1,-4). m = - 3 m = - 1/3

    asked by Kate on February 1, 2017
  21. Algebra (check answers plz)

    Find the slope of the line that contains the two points (3,2) and (1,-4). m = - 3 m = - 1/3

    asked by Kate on February 1, 2017
  22. English

    Thank you very much. I'm doubtful about the verb choice in these three sentences. Can you please have a look at them? 1) The journalist believes that parents should give their teenagers space to find their own identity by letting them make their own

    asked by Henry2 on September 9, 2011
  23. Physics

    A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, all of which move horizontally away from the point of the explosion. one piece travels in a horizontal direction of 28degrees east of

    asked by Anonymous on October 13, 2011
  24. !!MATH!!

    A decroative floor pattern has one red square tile surrounded by 12 blue tiles. Write and evaluate an expression to show how many total tiles (red and blue) are needed if there are 15 red tiles. Then make a table showing the total number of tiles if there

    asked by JACKY on September 30, 2011
  25. biology help

    color blindness is a sex linked disorder caused by recessive allele on the X chromosome. XC= normal vision. Xc= color blind. if a normal vision man marries a color blind woman, what are the chances that they will have a color blind son? what a color blind

    asked by bioman on July 19, 2011
  26. childcare

    Why is the incubation stage of illness of concern to day care workers? A. child in this stage require a great deal of care and special attention. B.child in this stage often need special medical help c.child in this stage can often pass on the disease even

    asked by Nicole on May 4, 2010
  27. English-(PLEASE CHECK)

    How does George show he protects Lennie when they meet the boss? My Answer- George answers all of the boss' questions himself to prevent the boss from finding out that Lennie was crazy and not smart and then not giving them jobs. Also, George tells the

    asked by Anonymous on August 22, 2007
  28. Science

    1.The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave to travel? A B C D 2.Which of the following correctly describes a radio wave? A.long wavelength and high frequency B.long wavelength and low

    asked by XDKitty~ on January 3, 2016
  29. Probability

    Let A,B,C be three events, and let X=Ia,Y=Ib, and Z=Ic be the associated indicator random variables. We already know that X.Y is the indicator random variable of the event A(intersection)B. In the same spirit, give an algebraic expression, involving X,Y

    asked by Anonymous on October 6, 2018
  30. chemistry

    How much does 1 molecule of bromine weigh? I know the atomic mass for bromine is 79.90 g but I do not know how to use it to figure out the weight of the molecule. The given answer is 2.654x10^-22 but I do not know how to get there. First, the molecule of

    asked by Carter on January 10, 2007
  31. Math

    can some1 Correct me pls A class of 24 students was asked to identify a team sport in which they have participated. Their responses are shown in the line plot. a. How many responses are recorded in the line plot? b. What is the total number of students

    asked by Eek on March 10, 2017
  32. Physics

    A Blowhard Tests of lung capacity show that adults are able to exhale 1.5 liters of air through their mouths in as little as 1.0 second. A. If a person blows air at this rate through a drinking straw with a diameter of 0.49cm , what is the speed of air in

    asked by Brady on April 17, 2014
  33. More Algebra 2

    It would be great if, again, someone would check these answers for accuracy. I'd like to know if I'm doing them right. 1) What equation defines an exponential decay function? a) y=x^pi b) y=pi^-x c) y=(1/pi)^-x d) y=pi times x I think the answer is c. 2)

    asked by Lindsay on May 23, 2007
  34. Chemistry

    I am currently doing a lab write up and i have a little problem with some ionic equations the question goes as follows: You are provided with aqueous solutions of CaCl2, AlCl3, ZnCl2, CuCl2, FeCl2 and FeCl3 in six separate test tubes. To each of the

    asked by Marysia on October 29, 2008
  35. Chamistry

    I am currently doing a lab write up and i have a little problem with some ionic equations the question goes as follows: You are provided with aqueous solutions of CaCl2, AlCl3, ZnCl2, CuCl2, FeCl2 and FeCl3 in six separate test tubes. To each of the

    asked by Marysia on October 29, 2008
  36. English

    I have to write a paragraph writing a description about my sister using figurative language. Please find the paragraph below. Can you please give me some feedback. Thanks My sister is very important to me. She is my best friend. I know everything about her

    asked by Ruth on February 21, 2010
  37. Thinking About What to Write About in an Essay

    I'm writing an essay about charity (which means "In its widest and highest sense, charity includes love of God as well as love of man. The latter kind of love is so closely connected with, and dependent upon, the former, that neither it nor its fruits,

    asked by Anonymous on November 2, 2007
  38. science

    In commercial/industrial life, most AC apparatus (e.g. lifts, lights, machinery, air conditioning, motors and so on) take more from the electricity supply source than they actually need. Power Factor Correction (PFC) is an energy saving technology that is

    asked by azad on May 4, 2015
  39. Education Aed/200

    Looking for some credible sources to create an argumentative paper on the topic below. Topic: Should today's education be relevant to tomorrow's job market? My point of view: I think that integrating work experience into a curriculum is an asset to

    asked by Hannah on June 13, 2010
  40. Physics

    Could someone show me how to work this? It's for a study guide I'm practicing, and I just can't seem to get the correct answer. The position of a 0.63 kg object attached to a spring is described by [x = (1.09 m) cos(3.11πt)] a) Find the object’s

    asked by James on April 6, 2015
  41. chem

    Rank the size of a change in temperature of one degree Fahrenheit, one degree Celsius, and one kelvin. In other words, if a thermometer were to show that the temperature outside increased by these amounts, which change would feel the largest? If any of the

    asked by Cf on September 16, 2013
  42. math

    julie and brandon cut lawns for their neighbors to earn money to a local charity. they thought that the customers should pay 20$. however, sevral customers offered a different pay plan and asked the students to chose. julie and brandon have to decide which

    asked by patti on June 6, 2010
  43. Ethics

    what is the good of morality This site will give you some good ideas about that topic. http://en.wikipedia.org/wiki/Morality Morality is a guide; it helps us to decide what is "good" and what is "evil." In other words, it helps us to choose between those

    asked by sk on November 16, 2006
  44. World History

    1. As industry spread in the Second Industrial Revolution, the British and German governments initiated reforms to improve workers’ lives. What motivated Bismarck to enact reforms in Germany? What kinds of reforms were enacted in Germany and Britain? Can

    asked by Sarah on December 10, 2010
  45. Algebra

    When the US Air arena is filled up to 80% capacity, it holds 13,600 people. How many would it hold when completely filled? ratio.. 80%:13600 ppl 100%:17000 ppl multiply 80 by 1.25 to make it 100, then multiply 13600 by 1.25 to get 17000. You can also

    asked by Bryan on January 31, 2007
  46. Maths-Help

    A silicon ingot, which should contain 10^16 boron atoms/cm3, is to be grown by the Czochralski technique. What concentration of boron atoms should be in the melt to give the required concentration in the ingot ? If the initial load of Si in the crucible is

    asked by Shawn on August 11, 2013
  47. Language arts 1 question please

    edgar allen poe uses a pair of rhyming words to describe trying to hold sand in "a dream within a dream". in a short paragraph tell what the words are and how they express the speakers feelings I do NOT want someone to give me the meaning or feelings I can

    asked by Delia on January 30, 2015
  48. Calculous

    the figure shows the graph of F', the derivative of a function f. the domain of the function f is the set of all X such that -3< or equal to x

    asked by Yoona on November 21, 2011
  49. 5th grade Math

    The school received 14 rolls of free movie tickets from a local theater. There are 48 tickets in each roll. The school has 32 classes of 24 students each. If the school plans to give one ticket to each student, which of the following statements is true? A.

    asked by steph on September 23, 2013
  50. science

    A certain echocardiogram uses ultrasounds with a frequency f = 6.1130 MHz. The speed of sound in blood is 1570 m/s. The patient is aligned so that blood is flowing through the heart directly towards the transducer (the transducer produces and detects the

    asked by kanny on January 21, 2017
  51. French-SraJMcGin

    Did I translate these two sentences correctly? (please forgive my accents)I know the words that I need, but I am not sure how's the ordering in the sentence. What days do you have your french class? = Quel jours tu as un cours de francais? I have french

    asked by Miche on November 21, 2007
  52. U.S. and Global Economics:Involving math

    Just show me how to calculate it and I'll do the rest. I just don't understand how to calculate this problem. Thank you, An online store that has been successfully growing on its initial angel investment and revenues wants to invest $5 million to expand

    asked by Mary on November 15, 2013
  53. math

    A researchr assistant made 160mg of a radioactive, and found that there was only 20mg left after 45hours. a) What is the half-life of this substance? b) Write a function to represent the amount of substance left after x hours c) If the researcher kew he

    asked by Kristen on June 23, 2013
  54. Res.

    A two-tailed hypothesis test at the 5 percent level of significance (£\ = .05) is exactly equivalent to asking whether the 95 percent confidence interval for the mean includes the hypothesized mean. If the confidence interval includes the hypothesized

    asked by mel on July 14, 2010
  55. Maths

    In the spring, 80% of the sheep in a flock of sheep had lambs. of those sheep with lambs, 30% had one lamb, 40% had two lambs and the rest had 3 lambs. a total of 240 lambs were born. how many sheep are in the flock? you must show your working.

    asked by chloe on November 7, 2011
  56. Math- Corrections

    (-9)-4w+7w=42 I thought I knew how to do this, but my teacher said i was wrong. This what I thought: (-9)-4w+7w=42 (-9)-11w=42 +11w +11w (-9)=42+11w -42 -42 (-9)-42 (-9)+(-42) 11w=(-51) /11 /11 w= 4.636363636363...... She told us that the correct answer is

    asked by Chris on November 5, 2007
  57. math

    Neisha is making punch. to make the punch. she needs 2 pints of lemonade. she only has 1-cup measure. how many cups of lemonade should Neisha use? A 2 cups B 3 cups c 4 cups D 5 cups ( please show work )

    asked by marquis on February 28, 2008
  58. English

    The extreme poverty of Dakar, Senegal, in “Hip-Hop Planet” is best reflected in which image? a. “When I looked into his eyes, they were bottomless oceans.” b. “. . . it pulled me to the earth like a hundred-pound ring in my nose.” c. “. . .

    asked by Kaai97 on January 20, 2016
  59. English

    The extreme poverty of Dakar, Senegal, in “Hip-Hop Planet” is best reflected in which image? a. “When I looked into his eyes, they were bottomless oceans.” b. “. . . it pulled me to the earth like a hundred-pound ring in my nose.” c. “. . .

    asked by Kaai97 on January 20, 2016
  60. Chem

    Could you check my answers and if wrong, suggest the right one. 1. In gas chromatography, two measurements are made. Identify the qualitative and quantitaive measurements. dye color and retention time 2. Why are components such as polymers like starch and

    asked by Mikal on March 19, 2008
  61. english

    i need to a prepostitional story like the one "inside outside upside down" by Stan Berenstain and Jan Berenstain. please i need it by 1:30 P.M.!!!!! Please note that no one here will do students' homework for them. Please give your assignment a try. Once

    asked by Anonymous on March 30, 2007
  62. Trigonometry

    Two hikers are wandering through heavy woods with walkie talkies. The walkie talkies have a range of 0.0568182 miles. From their starting point, they head off at an angle of 109.167° of each other. Hiker 1 walks 0.24 miles per hour, hiker 2 walks 0.17

    asked by Miles on March 1, 2017
  63. Criminal justice

    1. Which of the following is one of the limitations placed on felony murder? A. The felony must be independent of the homicide. B. The rule is limited to inherently dangerous felonies. C. The felony and the homicide must accompany each other in close

    asked by Amy on October 9, 2013
  64. French

    Your new pen pal from Guadeloupe is curious to find out if the seasons change where you live and what the weather is like. In a note to your pen pal, tell what the weather is like during the four seasons in your area. Give a typical temperature for each

    asked by Anna on November 26, 2009
  65. STATISTIC

    In a study of the relationship between pet ownership and physical activity in older adults, 575 subjects reported that they owned a pet, while 1907 reported that they did not. Give a 90% confidence interval for the proportion of older adults in this

    asked by YOMO on May 27, 2017
  66. Calculus

    A small aircraft starts its descent from an altitude of 1 mile, 4 miles west of the runway. a) Find the cubic f(x) = ax3 + bx2 + cx + d on the interval [-4,0] that describes a smooth glide path for the landing. b) If the glide path of the plane is

    asked by Jon on December 3, 2007
  67. Statistics

    Many dairy cows now receive injections of BST, a hormone intended to spur greater milk production. A group of 53 Jersey cows increased average milk production from 43 to 52 pounds per day, with a standard deviation of 4.8 lbs. Is this evidence that the

    asked by Lisa on November 21, 2013
  68. finance300

    3) Your uncle has $280,000 invested at 7.5%, and he now wants to retire. He wants to withdraw $35,000 at the end of each year, starting at the end of this year. He also wants to have $25,000 left to give you when he ceases to withdraw funds from the

    asked by Anonymous on June 9, 2012
  69. Physics Help!

    Q.1:What would a drummer do to make the sound of a drum give a note of lower pitch? a.hit the drum skin with a larger force. b.hit the drum skin with a smaller force. c.hit the drum skin nearer the edge. d.loosen the drum skin. d will work.

    asked by Candy on April 14, 2007
  70. 9th Grade Journalism

    Hi, this is my assignment. I did make it 30 words long but, I think it's terrible. It's very hard for me to do. Could someone please give me some suggestions as to what to change or improve please? You must draft a lead sentence for your news story about

    asked by Music Lover 14 on October 24, 2017
  71. Sociology

    Write a 700- to 1,050-word essay in which you complete the following: Give a brief introduction that identifies the issue you have chosen and why.Describe in three separate paragraphs how each perspective would view or explain the issue.Include in your

    asked by Gloria on December 6, 2015
  72. Science-Repost-Universe&Stars

    Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to

    asked by Sara on March 1, 2010
  73. High School

    Any helpful hints please? What about today's society reinforces American civic values? What about today's society undermines American civic values? How do civic values help make America's political and civil culture better? Are there penalties for failing

    asked by Hannah on July 16, 2009
  74. biochem

    How do you draw a tetrapeptide from the one letter codes(Amino acids) and also give the pI, if given the pKa values? For example the Amino acids: S,T,G,L So i know i decipher the the codes then to make tetrapeptide i start with the n terminus to the c

    asked by jeff helper on February 17, 2009
  75. Chemistry

    Calculate pH of a solution by mixing 15.0 mL of .50 M NaOH and 30.0 mL of .50 benzoic acid solution (benzoic acid is monoprotic, its dissociation constant is 6.5 x 10^ -5). I am not sure whether I am supposed to do it by acid-base titration way or to use

    asked by Soojung on July 28, 2009
  76. Chemistry Help.......

    State the Le Chatelier's principle and explain the following i) The effect that incresing the pressure will have on the eaualibrium yield of methanol ii) The effect of increasing the temperature will have on the equalibrium yeild of methanol iii) The

    asked by Lacey on March 12, 2007
  77. Gravity, fields

    Question 1) Consider two point-like objects, A and B, the first of which has four times the mass of the other (i.e. MA = 4MB). They are placed a certain distance d apart. (i) Sketch (in 2-dimensions) the gravitational field lines that are present in the

    asked by Anon on December 13, 2017
  78. biology help plz?????????????????

    the mRNA squence below is shown along with the polypeptide which would be produced when it is translated .what polypeptide would be produced if the fifth base in the mRNA sequence shown had been changed to A as result of a mutation in the DNA from which

    asked by centya on February 2, 2013
  79. math, calculus

    Interference Two identical tuning forks are struck, one a fraction of a second after the other. The sounds produced are modeled by f1(t) = C sin ωt and f2(t) = C sin(ωt + α). The two sound waves interfere to produce a single sound modeled by the sum of

    asked by MaryJane on June 22, 2018
  80. Math

    What does the degree of a polynomial expression tell you about its related polynomial function? Explain your thinking. Give an example of a polynomial expression of degree three. Provide information regarding the graph and zeros of the related polynomial

    asked by Seth on January 10, 2018
  81. Geometry

    Describe in words the translation of X represented by the translation rule T < -7, -8 > (X). A. 7 units to the right and 8 units up B. 8 units to the left and 7 units up C. 7 units to the right and 8 units down D. 7 units to the left and 8 units down*****

    asked by Carpe_Diem on March 23, 2016
  82. Math

    In college algebra a student earns an average grade of 86 on his homework and 75 on his quizzes. What final examination grade will give him a total average of 80 if homework 1/10 , quizzes 3/5 and the final examination 3/10?

    asked by Gary on December 4, 2017
  83. stat

    Three coins are tossed, and the number of heads observed is recorded. (Give your answers as fractions.) (a) Find the probability for 0 heads. (b) Find the probability for 1 head. (c) Find the probability for 2 heads. (d) Find the probability for 3 heads.

    asked by jilla on July 6, 2012
  84. algebra

    The mass of jupiter is about 1.900*10^24 metric tons.The mass of the sun is about 1.998*10^27 metric tons.about how many times the mass of jupiter is the mass of the sun?give answer in scientific notation.

    asked by kim on October 25, 2015
  85. Math

    Are these true or false? 1. If s is negative, then the square root of s^2 is -s. 2. If r is positive, then the square root of r^2 is -r. 3. If q is negative, then the square root of q^2 is q. 4. If p is positive, then the square root of P^2 = p. If

    asked by Paula on July 15, 2013
  86. college Math Word Problem

    The mass of Uranus is about 8.7x10^22 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Uranus is the mass of the sun? Give your answer in scientific notation.

    asked by Matt on October 5, 2008
  87. Romeo and Juliet quick n simple question

    What is Lord Capulet's reaction to Paris's proposal to marry juliet. And what is Lady Capulet's reaction to Paris's proposal to marry juliet. You can give me a link or you can express your own ideas.

    asked by Hugs n kisses on April 23, 2009
  88. Analytic Geometry/Calculus

    We didn't go over the perpendicular form in class, only the parallel. Find the general form of the equation of the plane passing through the point and perpendicular to the specified vector or line.

    asked by Arya on April 8, 2013
  89. College Chemistry (DrBob222)

    Use the Nernst equation to calculate the iron (II) concentration for the following iron/copper electrochemical cell when [Cu2+] = 0.012 M and Ecell = 0.750 V at 35°C. Cu2+ (aq) + Fe (s) --> Cu (s) + Fe2+ (aq)

    asked by Adrik on April 6, 2014
  90. physics

    A certain transverse wave is described by the equation y(x,t) = (6.50 mm)sin2pi((t/0.0360 s)-(x/0.280m)) Determine the wave's (a) amplitude (b) wavelength (c) frequency (d) speed of propagation and (e) direction of propagation

    asked by eliza on July 9, 2014
  91. Chemistry

    It requires 37.0 mL of a sodium hydroxide soltution to neutralize 0.75 grams of phosphoric acid. Using a balanced equation, determine the concentration of the sodium hydroxide solution.

    asked by Leah on May 21, 2012
  92. trig

    find the exact solutions (è in degrees) sin^2è+2cosè=-2 change the sin^2 to 1-cos^2, then rearrage the equation into quadratic form, use the quadratic equaion.

    asked by Devon on April 16, 2007
  93. Chemistry

    Calculate the amount in moles and the mass in grams of KOH needed to convert 1.50 g of aluminum to KAl(OH)4. Balanced equation = 2 Al (s) + 2 KOH (aq) + 6 H2O (l)->2 KAl(OH)4 (aq) + 3 H2 (g)

    asked by Cynthia on February 29, 2012
  94. Chemistry

    Pb(aq)2+ + 2e- → Pb(s) Ero = - 0.13 V Sc(aq)3+ + 3e- → Sc(s) Ero = - 2.02 V a) Write a balanced chemical equation for a spontaneous reaction involving these half reactions. b) Explain your rationale for the reaction going in this direction. I'm not

    asked by Rose on June 14, 2018
  95. Math

    Kairi and Jacob have $80 for movies and dinner. If the movies cost $12 per person and $10 for a large popcorn and two pops, how much money do they have left for dinner? What equation would be best to use for this problem?

    asked by Tori on April 27, 2016
  96. Math

    We're doing sequence things in class how do I find the general term of this set (4,8,6,16,8,32,10,64). The answer must be in an equation. The next in the sequence would be 12, 128. I thought the answer was f(x) = 2x but that doesn't account for 6,8,10

    asked by Cara on November 20, 2014
  97. Math

    One of two complementary angles has a measure that is five times that of the other. Which equation could be used to find x, the degree measure of the smaller angle? A) 5x=90 B) x+5x=90 C) 5x=180 D) x=5x=180 I chose A but I wasn't sure if I was correct.

    asked by Nicole on November 12, 2013
  98. ALGEBRA/ URGENT

    Doing something wrong. Write an equation of the line containing the given point and perpendicular to the given line. (4,5;)4x+y=8; I tried this. y = -4x+8. The slope is the reciprocal of -4 so 1/4. Then (y - y^1=m(x-x^1). y -4 = 1/4(x-4). I then multiplied

    asked by AMY on November 25, 2010
  99. math

    I need help writing an equation for this problem: for the school barbeque, room 107 bought 50 pounds of hot dogs for $69.50. How much did the hot dogs cost per pound?

    asked by Mae on September 21, 2014
  100. chem

    Pb(aq)2+ + 2e- → Pb(s) Ero = - 0.13 V Sc(aq)3+ + 3e- → Sc(s) Ero = - 2.02 V a) Write a balanced chemical equation for a spontaneous reaction involving these half reactions. b) Explain your rationale for the reaction going in this direction.

    asked by Amy on June 14, 2018

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