1. Algebra

    Ricardo visits different states every summer. This summer, he started with 3 states already visited and visits 6 states per day. Write an equation to model this situation (use d for days and s for states).

    asked by Rachel on June 25, 2016
  2. geometry

    two angles, a and b are complementary if the sum of their measure is 90 degrees. If angle a is 21 degrees more than twice angle b find the measures of angles a and b. I would like to know how to set this equation up in order to find the answer.

    asked by Chrissy on September 21, 2013
  3. chemistry

    what is the word equation for aqueous solutions of sodium chloride and silver nitrate are mixed to make an aqueous of sodium nitrate and silver choride solid

    asked by des on May 11, 2011
  4. Algebra

    An object is dropped from a bridge. Find the distance the object has fallen when its speed reaches 132 ft/s. Use the equation v = 64d , where v is the speed in feet per second and d is the distance in feet.

    asked by Irma on July 6, 2016
  5. chemistry

    write a balanced equation between sodium and water. if 1.2g of sodium reacted with water, calcul;ate the volume of gas produced at s.t.p. how many molecules of the gas are produced at s.t.p.

    asked by danny boay on February 21, 2011
  6. Chemistry

    Is this the correct equation for the formation of [Co(NH3)5(ONO)]^2+ from [Co(NH3)5Cl]^2+ ... [Co(NH3)5Cl]^2+ + NO2 --> [Co(NH3)5(ONO)]^2+ + Cl- I'm a bit unsure because the charges don't balance

    asked by Alice on April 8, 2009
  7. aglebra 1

    Use the following sequence of numbers to answer the questions that follow. 320, 80, 20, 5, …… Write the explicit equation for the given sequence. Answer choices 1. t(n+1) = t(n) * 0.25 2. t(n) = 320 * 0.25n 3. t(n) = 1280 * 0.25n

    asked by sam on February 27, 2018
  8. Chemistry

    Equation: 3CaCl2 (aq) + 2 Na3PO4 (aq) → Ca3(PO4)2 (s) + 6 NaCl (aq) How many grams of Ca3(PO4)2 are formed when 450.0 g NaCl are formed in the reaction? please show steps, please

    asked by Sarah on February 6, 2013
  9. algebra

    What is the equation of the given line in standard form? Use integer coefficients. y = -6.9x + 5.1 A. -69x + 10y = -51 B. 69x + 10y = 51 C. 69x + 10y = -51 D. -69x + 10y = 51 how would I solve it steph by step? I think the answer is C.

    asked by Alexa on January 29, 2016
  10. math-percentage

    there are 792 workers in a factory. if the number of male workers is 20%less than that of female workers, then the number of male workers is? answer:352 i always get confused with the equation of this type of quesion. Thanks:)

    asked by Zoe on July 10, 2015
  11. math

    A stereo is bought for $1500 and sold 4 years later for $800. a) Find the depreciation equation. b) Assuming the depreciation is linear, find the value of the stereo after the first five years of ownership.

    asked by Kenny on August 3, 2016
  12. Algebra 1--Please, check my answers!

    Multiply. Simplify your answer. 1. (n + 3/n- 5) x (n^2 - 5n) A: n^2 + 3n 2. (6xy^2/2x^2y^6) x (6x^4y^4/9x^3) A: 2 3. (3h^3 - 6h/10g^2) x (4g/g^2 - 2g) (This is the correct expression. There is no typo.) A: ? 4. (m^2 + m - 2/m^2 - 2m - 8) x (m^2 -8 + 16/3m

    asked by Victoria on May 30, 2014
  13. MATH!!!!ASAP!!!

    How can i graph this equation by plug in numbers???? x^2-y^2=9 HELP PLZ!!!!!!THX ALOT!!!! Assign numbers to x and solve for y then put them in a graph: let's say x is -3 Then 9=y^2+9 y^2=0 y=0 Ok now x= -4 16=y^2+9 y^2=5 y=2.236 Also you can assign y a

    asked by Katrina on December 14, 2006
  14. Stiochiometry

    15.8 grams of NH3 and excess O2 produces NO gas and H2O. 12.8 grams of NO gas was produced. Find the percent yield. Balanced Equation: 4 NH3 + 5 O2 -> 4 NO + 6 H2O

    asked by Mikey on May 15, 2011
  15. Calculus

    Assume that a demand equation is given by q=9000-100p. Find the marginal revenue for the given production levels. a. 500 Units the marginal revenue at 500 units is

    asked by Duane on November 1, 2014
  16. Advanced Algebra

    A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions. If there are 2 children, there can be 1 interactions. If there are 3 children, there can be 4

    asked by Steve on August 22, 2017
  17. chemistry

    At a certain temperature, the Equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.500 mol of H2 and 0.500 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at Equilibrium? equation: H2 + I2 =

    asked by cody on December 11, 2012
  18. chemistry

    How do I balance this equation for silver nitrate and sodium chloride reacting to form sodium nitrate and silver chloride. AgNO3 + NaCl = AgCl2 + NaNO3

    asked by kayla on January 7, 2009
  19. math

    "Mahpee was selling magazine subscriptions. He earned $5 plus $0.50 for each subscription he sold. If Mahpee earned $25, use the equation 25=5 + 0.50n to find the number of subscriptions n he sold." How do I figure this out??

    asked by Rinoa on September 21, 2010
  20. Math

    The distance between the Y value in the data and the Y value predicted from the regression equation is known as the residual. What is the value for the sum of the squared residuals?​ SSresidual = r2(SSX) SSresidual = (1 – r2)(SSX) SSresidual = r2(SSY)

    asked by Annie on December 15, 2017
  21. math

    what is the answer to this problem : there are 1.5 times more carp in the lake this year than last year. this year's carp population is 423. write an equation to determine how many trout are in the lake this year.

    asked by Karly on February 13, 2013
  22. Math

    Your school's football team scored 49 points. Your team's scored 19 points more than the opponent's scores. Write and solve an equation to find the opponent's score

    asked by Izamae on September 12, 2016
  23. MATH C30

    How to find the amplitude, period, phase shift, vertical shift, and the equation of the primary function of the function: y = -cot(1/3x - pi/6) how to find where the period begins and ends

    asked by don on November 6, 2011
  24. math

    An oil painting is 16 years older than a watercolor by the same artist. The oil painting is also three times older than the watercolor. How old is each? Identify a variable, set up an equation and solve. thanks

    asked by ava on January 27, 2014
  25. math

    Kevin had $15 with him. His mother gave him $10 and his father also gave him some money. After this, he had a total of $37 with him. How much money did his father give him? Write an equation with a variable and state what the variable represents.

    asked by D on May 24, 2017
  26. iMATH!

    Zac moved 1/5 of the things from his old bedroom to his new dorm in 32 1/2 minutes. How long will it take in minutes for him to move all his things to his new dorm room? I need help with the problem I want to know the equation and how to get the answer.

    asked by Unknown on November 26, 2012
  27. chem

    Aqueous sodium chloride and aqueous sulfurous acid are formed by the reaction of aqueous sodium sulfite and aqueous hydrochloric acid . write the balanced equation?

    asked by nick on September 18, 2012
  28. algebra

    An oil painting is 16 years older than a watercolor by the same artist. The oil painting is also three times older than the watercolor. How old is each? Identify a variable, set up an equation, and solve.

    asked by ava on January 27, 2014
  29. math, a.p. calc

    Let g be a function that is defined for all x, x ≠ 2, such that g(3)=4 and the derivative of g is g′(x)= x^2–16/x−2, with x≠2. Write an equation for the tangent line to the graph of g at the point where x = 3. Does this tangent line lie above or

    asked by Darrius on November 9, 2015
  30. Math

    Write and solve an equation to answer the question How many miles did Lacey walk if Chris collected $450 in pledges? 18(x)=450 x=25 How many miles did Chris walk 25

    asked by Jerald on December 5, 2013
  31. ALGEBRA

    Using x as the variable, write the equation or inequality that would correctly solve this problem. Kevin took his car to Dwain's Automotive to have the engine replaced. Kevin was told that at the most, the total bill for parts and labor would be $6,300.

    asked by JD JOHNSON on June 25, 2014
  32. maths PLEASE HELP

    Can you give me some help with this question im not sure how to even start in a reaction A to P the mass of A at any given time T is Mt and the rate of transformation of A at time T is prportional to Mt given that the original mass of A is 130g and that

    asked by Amelia on November 29, 2009
  33. Physics

    A series of waves traveling at 200 m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is ____ meters from a corresponding point 3 crests away. a. 0 b. 1.5 c 2.7 d 4 e 6 f 12 g 16 h 30,000 I have no clue

    asked by Jael on November 14, 2010
  34. math

    a small mountain near tectonic plate line andes has been growing consistently in height each year. the first measured height was recorded i 1997. 1997; 997.7300 2000;997.7606 2005;997.7810 determine the regression equation for the data

    asked by sumit on April 6, 2016
  35. chemistry

    Using the change-in-oxidation-number method, balance the redox reaction below. Show your work; partial credit will be given. NO2– + MnO4– → NO3– + Mn2+ Figure out which atoms’ oxidation numbers are changing, and by how much. Balance the equation

    asked by Anonymous on April 27, 2012
  36. chemistry

    Silver tarnishes (turns to Ag2S) in the presence of oxygen and hydrogen sulfide according to the following equation: 4Ag(s) + 2H2S(g) + O2(g) ¨ 2Ag2S(s) + 2H2O(l) Usually, H2S is the limiting reactant. If a silver spoon is placed in a container that

    asked by Big Trav on July 24, 2012
  37. Chemistry

    Magnesium can be used as a “getter” in evacuated enclosures to react with the last traces of oxygen. (the magnesium is usually heated by passing an electric current through a wire or ribbon of the metal) If an enclosures of 0.452L has a partial

    asked by Ricky on January 21, 2018
  38. chem

    For the following combination of reactants, enter the formulae of the products in the space provided and give their states. (Separate multiple products with a comma ",". Type your answer using the format Na2SO4(aq) for Na2SO4(aq). Do not balance the

    asked by sarah on April 28, 2013
  39. Math

    Okay so the question is: "Three people are cheering simultaneously. Measured individually, the cheers are 80dB, 80dB, and 50dB. What would the cheering measure totally? Use your knowledge of logarithms to solve." So the formula we were given a few days ago

    asked by Anonymous on October 16, 2010
  40. math

    Ellipses question: x^2/25 + y^2/169=1? 1. state lengths of major & minor axes 2. state the x-inter and y-inter 3. find coordinates of the foci 4. find the points of intersection with line y=1-2x 5. graph 6. find the equation of the ellipse after it is

    asked by amanda.p. on April 24, 2008
  41. Maths

    Can you give me some help with this question im not sure how to even start in a reaction A to P the mass of A at any given time T is Mt and the rate of transformation of A at time T is prportional to Mt given that the original mass of A is 130g and that

    asked by Amelia on November 28, 2009
  42. math

    1) Can someone tell me how the write 4x^3 + y^2 - 4y + 36=0 in standard equation (solve for y and complete the squares). 2) A pencil manufacturer determines that the daily cost c in dollars of producing n dozen pencils is given by c=(n^2/25,000) - (2n/5)

    asked by Chris on September 1, 2009
  43. Math( 7th grade advanced math so 8th grade math)

    Salvador bought 3 pounds of oranges that cost x cents per pound, a cucumber for 59 cents, and 2 bananas for 35 cents. Write an expression in simplest form that represents the amount spent. I don't understand how you would write that into an equation. I

    asked by Jacobe on October 16, 2016
  44. Accounting

    Assume that Esquire consulting erroneously recorded the payment of $30,000 of dividends as salary expense. How would this error affect the equality of the accounting equation? How would this error affect the income statement, retained earnings statement

    asked by jasmine on July 17, 2015
  45. physics

    A small sphere of mass m is connected to the end of a cord of length r and rotates in a vertical circle about a fixed point O. The tension force exerted by the cord on the sphere is denoted by T . What is the correct equation for the forces in the radial

    asked by arianna on December 20, 2014
  46. Physics

    write out the equation please show the steps taken to solve the problem A small airplane flies at a velocity of 145 km/h toward the south as observed by a person on the ground. the airplane pilot measures an air velocity of 172 km/h south. What is the

    asked by y912f on February 4, 2009
  47. Chemistry

    Did I do this correctly or do I need to try again? What is the mass percent of a solution when 18.6 g of table salt is added to 81.4 g of water? Mass Percent = mass of solute(g)x100 mass of solution (g) = 18.6 g x100 18.6 g + 81.4g = 18.6 g x 100 100g =

    asked by Lori on February 8, 2008
  48. Math help :(

    I don't get any of these practice problems. 5. 2(x – 3) = 2x one solution no solutions infinitely many solutions 6. 3(y – 3) = 2y – 9 + y one solution no solutions infinitely many solutions 7. 10x – 2 – 6x = 3x – 2 + x one solution no solutions

    asked by Princess Anna on January 6, 2014
  49. Chemistry: Check my answers please!

    How would each of the following affect the Cr(VI) concentration determined in this experiment? Justify the answers with an explanation. In the experiment, absorption spectroscopy was used to obtain the concentration of Cr(VI) ions. 1) A student adds more

    asked by Sandy on March 2, 2014
  50. Chemistry

    How would each of the following affect the Cr(VI) concentration determined in this experiment? Justify the answers with an explanation. In the experiment, absorption spectroscopy was used to obtain the concentration of Cr(VI) ions. 1) A student adds more

    asked by Sandy on March 2, 2014
  51. chemistry

    Investigating changes in colligative properties involves the measurement of a solution’s concentration in molality instead of molarity because of which of the following? the mass of the solvent does not change, but its volume does change, as temperature

    asked by Annie on March 28, 2011
  52. Chemistry

    Hi DrBob, Sorry about that, I wasn't very clear! Can someone please help me complete these calculations for my lab; I am having some trouble. A. Standardization of Na2S2O3 -Mass of KIO3 in 100mL = 0.09600g -Calculate Molarity of KIO3= ? Please check:

    asked by Bryant on March 6, 2011
  53. Algebra

    Find the coordinates of two points on the line with the given equation. Then use the points for find the slope of the line. 1) y= -17 2) 7x-3y= -147 Thank you so much for your help.

    asked by Mia,Thank you on February 12, 2013
  54. algebra 1

    a line passes through the point (3, -5) and has a slope of 7. which of the following is the correct point- slope form of the equation of the line and why? a.y+5= 7(x-3) b. y-5= 7(x+3) c. y+5= 7(x+3) d. y-5= 7(x-3)

    asked by taylor on December 1, 2008
  55. math

    a. Solve a - 9 = 20 b. Solve b - 9 > 20 c. How is solving the equation in part a similar to solving the inequality in part b? d. How are the solutions different?

    asked by victoria on December 19, 2013
  56. chemistry

    what is the equation for C6H12O6+NaOH+Cu(OH)2 C6H12O6+AgNO3+NH4OH AgNO3+NH4OH+ galactose when heated

    asked by flans on October 16, 2010
  57. Calculus help~!

    Which is the standard form of the equation with p = 26, O= 3pi/4 ? SQRT2x – SQRT2y = 0 SQRT2x – SQRT2y + 52 = 0 SQRT2x + 52 = 0 SQRT2x + 52y = 0

    asked by JO on May 8, 2012
  58. Math Help!

    Write a percent equation that can be used to solve the following problem: 25 is what percent of 350? A. n= 25 x 350 B. 350 =p x 25 C. 0.25= p x 350 D. none of these Is the answer D?

    asked by Callie on November 25, 2014
  59. chemistry

    What is the chemical equation for: 1. Cyclohexane and Potassium Manganate VII 2. Cyclohexen and Potassium Manganate VII

    asked by Abigail on May 18, 2010
  60. Math

    If alpha, beta are the zeroes of x2-2x+3, find a quadratic equation whose roots are (alpha-1)(beta+1), (beta-1)(beta+1)

    asked by nishtha on June 25, 2017
  61. Calculus

    The slope of the tangent line to a curve at any point (x, y) on the curve is x/y. What is the equation of the curve if (4, 1) is a point on the curve? x2 − y2 = 15 x2 + y2 = 15 x + y = 15

    asked by nan on March 11, 2016
  62. chemistry

    What would the charge be of the ion formed by this equation? H2SeO3(aq)==> 2H(aq) + SeO3(aq) The SeO3 ion has a negative two charge.

    asked by sarah on February 26, 2007
  63. math

    I need an equation that represents 56 houses for sale x will represent floor plan one and y will represent floor plan two

    asked by Anonymous on April 21, 2010
  64. Algebra II

    Graph 16x^2 + 9y^2 = 144 I know that you cannot graph this but the graph of this equation should be a circle I think. I have points (3,0), (0,4), (-3, 0), and (0,-4) graphed. Is there any more points that I could use to graph? Thanks.

    asked by Lucy on March 9, 2008
  65. calculus

    given the circle having the equation x^2+y^2=9, find the shortest distance from the point (4,5). find the longest distance from the point (4,5).

    asked by fate on October 2, 2011
  66. math

    The length of the second side of a triangle is 24 cm shorter than twice the length of the first side. Using f for the first side and s for the second side, translate the sentence into an equation.

    asked by patience on August 24, 2014
  67. math prob:(

    a. Solve a – 9 = 20 b. Solve b – 9 > 20 c. How is solving the equation in part a similar to solving the inequality in part b? d. How are the solutions different?

    asked by Princess Anna on January 22, 2014
  68. calculus

    a.Find the slope of the tangent line to the curve y=9-2x^2 at the point (2,1) b.Find an equation of this tangent line.

    asked by josh on January 13, 2014
  69. math- trig

    What would be the 2 solutions to this equation? sinx(tanx) + tanx = sqrt(3)(sinx) + sqrt(3) I know that "x = pi/3 +pi k" is one, but I need help finding the other. Cheers

    asked by Monika on March 18, 2018
  70. Math

    Use the Intermediate Value Theorem to show that there is a root of the given equation in the specified interval. x^4+x-3=0, interval (1,2). According the to theorem, I found that a is 1, b is 2 and N is 0. f(1)= 2 and f(2) = 17. Is the root (1.16,0)?

    asked by KC on September 1, 2012
  71. calc

    The slope of the tangent line to a curve at any point (x, y) on the curve is x divided by y. What is the equation of the curve if (3, 1) is a point on the curve?

    asked by Anonymous on June 29, 2015
  72. calculus

    the point (1,9) lies on the graph of an equation y=f(x) for which dy/dx=4x(sqrt(y)) where x is greater than or equal to 0 and y is greater than or equal to 0 a)6 b)4 c)2 d)sqrt(2) e)0

    asked by victoria on February 20, 2012
  73. algebra 2

    Graph the equation. Identify the vertices, foci, and asymptotes of the hyperbola. Y^2/16-x^2/36=1 I think....vertices (0,4),(0,-4) foci??? asymptotes y=+/- 2x/3

    asked by sam on April 27, 2012
  74. Calculus

    The slope of the tangent line to a curve at any point (x, y) on the curve is x divided by y. What is the equation of the curve if (2, 1) is a point on the curve?

    asked by Anonymous on April 28, 2017
  75. Math

    Given the linear equation 5y = -3x + 19, find (a) the slope of a line perpendicular to the given line. (b) the slope of a line parallel to the given line. A. (a) -5/3 (b) 3/5 B. (a) -3/5 (b) 5/3 C. (a) 5/3 (b)-3/5 D. (a) 3/5 (b)-5/3

    asked by chchch on July 18, 2012
  76. math

    Match the equation with the step needed to solve it. 1. 2m - 1 = 3m subtract m 2. 2m = 1 + m subtract 2 3. m - 1 = 2 subtract 1 4. 2 + m = 3 subtract 2m 5. -2 + m = 1 add 2 6. 3 = 1 + m add 1

    asked by george on January 14, 2010
  77. math

    a line passes through the point (-4,6) and has a slope of -5/4. Write an equation in point-slope form for this line.

    asked by . on November 2, 2016
  78. math

    Match the equation with the step needed to solve it. 1. 2m - 1 = 3m subtract m 2. 2m = 1 + m subtract 2 3. m - 1 = 2 subtract 1 4. 2 + m = 3 subtract 2m 5. -2 + m = 1 add 2 6. 3 = 1 + m add 1

    asked by george on January 14, 2010
  79. alebra

    write the vertex form of a parabola that satisfies the conditions given. Then write the equation in the form y=a^+bx+c. vertex (-3,-4) and a=5.

    asked by madawna on November 24, 2012
  80. Math

    When you use a coupon for 15 percent off the original price of a headset, you pay $27. What is the original price of the headset? Please use an equation.

    asked by Greg on June 2, 2014
  81. Math

    a.) Solve a - 9 = 20 b.) Solve b - 9 > 20 c) How is solving the equation in part a similar to solving the inequality in part b? d.) How are the solutions different?

    asked by Jenny on January 17, 2014
  82. chemistry

    what are the acids, bases, conjugated nacids and conjugated bases of the equation H2O+H2O->OH-+H3O?

    asked by jacob on May 5, 2011
  83. College Math II

    x/x – 1 - 3/x = 1/4 My problem says to show the work and to solve the equation. I am not sure how to use the steps to show my work and answer the problem. Thanks.

    asked by Lori on November 21, 2009
  84. Algebra2

    solve the equation cos theta - tan theta * cos theta = 0 for 0< theta < 2 pi My answer is pi/4,5pi/4

    asked by Steve on May 3, 2017
  85. chemistry

    hydrogen sulfide + sodium hydroxide to lithium hydroxide + sodium sulfide. what is wrong with the equation?

    asked by Anonymous on February 28, 2012
  86. statistics

    How do I find the probability of an event A occurring or an event B occurring but not both? How do find this equation with a Venn diagram?

    asked by cat on June 30, 2015
  87. MATH

    a.) Solve a - 9 = 20 b.) Solve b - 9 > 20 c) How is solving the equation in part a similar to solving the inequality in part b? d.) How are the solutions different?

    asked by Cindy on January 17, 2014
  88. calculus

    find an equation of the tangent line to the curve at the given point. graph the curve and the tangent line y=x/x-1 at (2,2) )

    asked by Anonymous on May 16, 2015
  89. MAATH!!

    The formula rt = d is used to calculate distance if you know the rate and time. What is the equation for finding the time when given the rate and distance? • rd = t • d/r = t • r = td • r/d = t

    asked by Agala on March 20, 2017
  90. Differential equation

    y′=8e^(4x)(1+y2)solve for y(0)=−2 ⇒ y= I tried to solve the problem and got the equation: tan^-1((2e^(4x)-2+tan(-2)))it says I am wrong and I resolved and got the same thing I must be doing something wrong please help!

    asked by Joe on June 12, 2015
  91. math

    Given the plane 2x-3y+7z=4, a) Find the equation for the line perpendicular to the plane that intersects the plane at the point P=(6,5,1). b) How far is it from the point (4,-2,3) to the plane?

    asked by sophie on May 12, 2011
  92. MATH

    A student is solving the equation 81x – 1 = 3x + 2. Step 1: 81x – 1 = 3x + 2 Step 2: (34)x – 1 = 3x + 2 Step 3: 34x – 4 = 3x + 2 Which is the next step? Possible answers 4x 4 = (x + 2) x 1 = x + 2 4x 4 = x + 2 4(x 1) = 3(x + 2)

    asked by Deadly on February 28, 2012
  93. Algebra

    Write a algebraic equation Ron is 10 years younger than maria. If maria is 'n' years old, how old is Ron

    asked by anonymous on August 31, 2015
  94. Chemistry

    Provide equations for each of the following: a. Dissociation of a strong base in water solution b. Ionization of a strong acid in water solution: c. Ionization of a weak acid in water solution: d. Ionization of a weak base in water solution: e.

    asked by ASAP!! on April 29, 2014
  95. Chemistry

    PLEASE fully explain these...I've already tried to figure them out and failed terribly... thanks so much 4. 5.6 x 10-6 mol of A and 5 x 10-5 mol of B are mixed in a 200 mL flask. The system is represented by the equation: At equilibrium, there is 4.8 x

    asked by Katie on May 17, 2012
  96. chemistry

    ) A chemist dissolves 1.000 x 103 g of potassium hydroxide in enough water to make 1.5 L of stock solution. The chemist later wants 2.00 x 102 mL of 0.10 M potassium hydroxide. How much stock solution does the chemist need in order to make this second

    asked by Anonymous on May 28, 2014
  97. Math

    1)Solve 3+2(1-x)>6 or 2x+14

    asked by Jon on February 24, 2008
  98. Is My Pseudocode Correct? - Programming

    I am supposed to make a pseudocode for a fat gram calculator. These are the instructions: Design a program that asks for the number of fat grams and calories in a food item. Validate the input as follows: - Make sure the number of fat grams and calories

    asked by Bryson on October 15, 2014
  99. Reposting Chemistry Question -Emergency !!

    Saturated solution of Ca(OH)2 in 0.05349 mol/L NaOH. Temperature: 22.1 * C Volume of Ca(OH)2/NaOH aliquot: 25ml Concentration of Standard HCl: 0.1213M Indicator Used: Bromothymol Blue Ksp from previous part I got 3.55x10^-5 - Average volume of HCl added to

    asked by DrBobPleaseHelp on March 19, 2017
  100. chemistry

    ndicate whether each solution is acidic, basic, or neutral. a. [H3O+] = 6.9 x 10-1 M This solution is acidic. b. [H3O+] = 8.2 x 10-13 M This solution is basic. c. [H3O+] = 3.2 x 10-1 M This solution is acidic.

    asked by krystal on February 29, 2012

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