1. Math

    Without solving, explain how you can tell whether the solution to 0.5x= 10 is less than or greater than 1.

    asked by Maya on February 5, 2018
  2. algebra 1

    Use mental math to determine the solution x/3=24. a. x=6 b. x=8 c. x=27 d. x=72 b is it?

    asked by oto on September 6, 2016
  3. CHEm 1442

    Calculate the pH of a 0.21 M CoCl3 solution. The Ka value for Co(H2O)63+ is 1.0 10-5.

    asked by pinki on March 12, 2010
  4. chemistry

    The temperature at which crystal will first appear when a solution is cooled from 60°c to 20°c?

    asked by Anonymous on September 26, 2015
  5. chemistry

    How is colloid distinguished from a solution or a suspension?

    asked by bobby on April 28, 2009
  6. Physics

    Is KNO3 soluble in KOH solution?

    asked by Nisha on September 5, 2016
  7. chemistry

    The temperature at which crystal will first appear when a solution is cooled from 60°c to 20°c?

    asked by Anonymous on September 26, 2015
  8. Chemistry

    Calculate the concentration of all species in a 0.15 M KF solution. Ka = 6.4 x 10-4 for HF.

    asked by Brian on February 27, 2011
  9. CHEM

    Calculate the pH of a .7 M solution of ammonium chloride

    asked by Heather on September 22, 2011
  10. chem

    the pH of a neutral solution at 90 digree celsias is a >7 b < 7 c =7 d both b and c

    asked by asdfg on September 8, 2016
  11. Alegebra 1

    Determine whether (2,11) is a solution to y=17x-13. Thank you before hand, for your help.

    asked by esther on December 19, 2010
  12. science

    1 what is mean by hypertonic, isotonic and hypotonic solution.

    asked by sangam on June 26, 2008
  13. math

    what is the solution to the system of equations ? x=y-3 x 3y=13 A. (1,4) B.(4,1) C.(7,4) D. (2.5,5.5) please help my best answer is b

    asked by Anastasia on May 20, 2016
  14. Chemistry

    0.25 mol dm-3 solution of hydrochloric acid?

    asked by Rain on March 29, 2017
  15. chemistry

    What would be the pH of 0.568 g of HClO4 per 250 mL of solution?

    asked by Vaneza ASAP on February 26, 2011
  16. math

    determine which ordered pair is not a solution of y = -5x -4 (10, -52) (7,-39) (-7, 31) (8,-44)

    asked by maria on December 20, 2016
  17. MAT 110

    How many milliliters of a 25% solution contain 10 g of the pure drug?

    asked by Vickie on December 7, 2010
  18. Chemistry

    Why is the carbonate solution boiled before titrating?

    asked by Candice on January 18, 2015
  19. math

    Determine which ordered pair is not a solution of y=-5x-4. (10,-52) (7,-39) (-7,31) (8,-44) I think it is (7,-39)

    asked by Lost on April 16, 2015
  20. College Chemistry

    Determine the pH of a solution that contains 5.3*10^-2 M in HClO4 and 3.0*10^-2 M in HCl?

    asked by Mickey on February 26, 2011
  21. algebra

    Determine whether (-4,5) is a solution of 4x + 8y =1 I would like the steps so I can practice this.

    asked by Help on September 10, 2009
  22. algebra

    is the ordered pair a solution of the inequality? (6,15); 8y-9x>8

    asked by nina on November 11, 2011
  23. Math 116

    9/10th (3+8x)+3greater or equal to 15 what is the solution to this?

    asked by Allison on September 22, 2011
  24. math help asap

    what is the solution to 2x+9greater or less then 5 and 2x-13greater or equal to -9.

    asked by Allison on September 22, 2011
  25. ma

    The only value of b for which the following system of equations in(s,u,z)does not have a unique solution is: b = 3⁢s+3⁢u-z=3 -3⁢s+3⁢u=-3 -3⁢s+b⁢u-z=-3

    asked by Tracy on February 5, 2011
  26. chemistry

    Determine the [OH^-] of a solution that is 0.145 M in CO3^2-.

    asked by nurul on December 21, 2016
  27. trig

    What's the general solution for 3sin^2x+sinxcosx=2

    asked by Piwokazi on September 10, 2011
  28. math

    What is the value of the y-coordinate of the solution to the system of equations x + 2y = 9 and x - y = 3?

    asked by billy on March 16, 2010
  29. Math

    Is (0,2) a orderd pair a solution of 4x - 3y = 6? Explain.

    asked by Liz on February 7, 2011
  30. math

    solve using multiplication -6x>1/13 The solution is < -1/78 is this correct?

    asked by jason on June 29, 2009
  31. chemistry

    What volume of a 1.35 M solution contains 6.2mol of MgCl?

    asked by isaac on April 10, 2019
  32. chemistry

    what is the molarity of 275mL of a solution containing 23.83 mg of Mg Cl(2)

    asked by melissa on December 3, 2010
  33. math

    Write the general solution to y = arcsin 0.

    asked by bella on April 16, 2019
  34. Chemistry

    The pH of a solution halfway to the equivalence point

    asked by Anonymous on November 8, 2017
  35. math am i right?

    Solve (x+18)(x-18)(x+12)>0 Solution set is {x|-8,-12} Is this correct?

    asked by Sam on July 9, 2011
  36. Algebra 1A

    solve for the indicated letter b=a+d for a= the solution is a= b. is this correct? thanks

    asked by Lea on September 26, 2009
  37. advanced algebra 2 - math

    graph the solution set of the system: y>3x+2, y-2/5x-3 1/5, y>-1

    asked by logan on October 13, 2010
  38. Math 116

    if I solve this by substitution 8x+7y=-13 x=29-7y I end up with -3.8 But I think there is no solution

    asked by Katie A on September 29, 2011
  39. Algebra 4

    Determine whether the ordered pair is a solution (-8,3);8x+y,-2

    asked by Anonymous on May 12, 2010
  40. Algebra

    Thank you for answering (x+20)(x -10)(x+11)>0. How do I write the solution set of {x| }

    asked by Daniel on May 30, 2010
  41. algebra

    solution set using interval notation −9y + 6 > −6y − 15

    asked by Shelinda Knight on September 4, 2018
  42. Chemistry

    300 ml of a 0.5NKOH solution, how can it be neutralized

    asked by willie on July 13, 2011
  43. chemistry

    What is the molarity of OH- in an aqueous solution that is 0.31 M HNO3?

    asked by Priscilla on December 3, 2011
  44. Trigonometry

    Solution set of sin 2x = -1/2 in [0,2pi)

    asked by Name on November 12, 2017
  45. Algebra 1

    Which ordered pair is a solution of the inequality? y>= 4x-5 3,4 2,1 3,0 1,1

    asked by Steve on December 21, 2014
  46. chemistry

    What is the molarity of OH- in an aqueous solution that is 0.17 M HClO4?

    asked by Ashley on December 4, 2011
  47. Chemistry

    How many mL of HCl solution are required to change pH from 2.67 to 9.25?

    asked by Rhonda on March 24, 2015
  48. algebra

    Which ordered pair is a solution of y = x – 4? a. (−1, −5) b. (0, −3) c. (2, 6) d. (3, 1) my answer C (2, 6)

    asked by J J on November 28, 2016
  49. chemistry

    The pH of an HCl solution is found to be 1.74. Therefore the [H3O+] is:

    asked by Anonymous on December 5, 2011
  50. algebra

    Determine the orderd pair is a solution y=x + 2/7 A.(0,0) B.(-1,2/5) C.(1,2/5)*** D.(2,2 2/5)

    asked by Jojo on November 6, 2017
  51. Intermediate Algebra

    Which of the following ordered pairs is a solution to the system: 6x - 2y = 2 9x - 3y = 1

    asked by Anonymous on November 29, 2015
  52. math

    Find p(p^-1(x)) when p(x)=x^2-4 I tried solving this and I got x^4-x+20 but that has no solution so I'm a little confused.

    asked by maath on September 15, 2018
  53. Science

    Describe a solution,suspension, and colloid

    asked by Frances on December 8, 2011
  54. Pre-calculus ( Absolute value)

    Why does |7 + 3x| = x -1 have no solution? I could plug in, for example 5, and the answer would be positive. Thank you =)

    asked by Lucina on May 10, 2015
  55. Chemistry

    How many ml of 1M HCl would you need to make 50.0 mL of 0.125M solution?

    asked by Danielle on February 22, 2011
  56. calculus

    if f(x)=Inx, find: f(2)+f(3) solution pls

    asked by gen on November 12, 2010
  57. Chemistry

    What must be the pH of a solution that is 0.049 M Fe3+ to just cause Fe(OH)3(s) to precipitate?

    asked by Chemistry Confused on April 19, 2010
  58. Chemistry

    How many ml of 1M HCl would you need to make 50.0 mL of 0.125M solution?

    asked by Danielle on February 22, 2011
  59. Vectors

    Can you please explain how to answer this? What is a solution for the following system? x-4y+z=2 and -x+4y-2z=8 a) x=4s+12, y=s, z=-10 b) x=s+4, y=3s, z=-4 c) x=2s+5, y=s, z=-12 d) x=s, y=4s, z=-12

    asked by Sara on March 17, 2015
  60. math-differential equations

    hi i need to know how to do this one thanks Find the solution to yx + x + (dy/dx) = 0 ; y(9) = -9 y = ???? Does this separate the variables? dy/dx=-x(y+1) dy/(y+1) = -x dx

    asked by kayla on August 5, 2007
  61. chemistry

    You have a 0.0825 M solution of HCl. You expect the pH to be

    asked by Anonymous on December 5, 2011
  62. Math

    which graph represents the solution to the given system y =-x+4 y = 1/3x + 8 Please help me..

    asked by Luna on January 18, 2019
  63. Chemistry

    What is the hydrogen ion concentration of a solution with pH of 3.4?

    asked by Mmeso on September 13, 2018
  64. algebra

    would 5 trees be a solution to the inequalit inpart b

    asked by janet on October 30, 2009
  65. Chemistry

    If 38.5 mL of 8.9 ✕ 10-3 M HBr is added to 27.0 mL of 4.6 ✕ 10-3 M LiOH, what is the pH of the solution?

    asked by . on March 10, 2019
  66. Algebra

    Determine which ordered pair is a solution of y=x+2/5 (0,0) (-1,2/5)****** (1,2/5) (2,2 2/5)

    asked by Trish on September 8, 2015
  67. Math

    solving using the solution method. x+10y=41 x+9y=37 =

    asked by Ms.Ellis on July 2, 2011
  68. Chemistry

    Calculate the ZnCO3 in a buffer solution with a pH of 9.83

    asked by Katy on April 25, 2017
  69. math

    How many 1oz bottles will this solution fill.

    asked by Kelly on June 15, 2016
  70. chemistry

    find the concentration of HCL if the pH of the solution is 0.50

    asked by Jessica on March 17, 2011
  71. Chemistry

    Calculate the ph of a solution that is 0.157m HCI?

    asked by James on May 4, 2016
  72. math

    show a graph for solution set 3x>7x+20

    asked by shanae on November 6, 2007
  73. chemistry

    how would you prepare 300 ml of a 10% CaCl2 solution (w/w)?

    asked by erin on November 29, 2011
  74. biotech

    how would you prepare 300 ml of a 10% CaCl2 solution (w/w)?

    asked by erin on November 29, 2011
  75. Algebra

    Determine which ordered pair is a solution of y=x+2/5. A(0,0) B(-1,2/5) C(1,2/5) D(2,2 2/5)

    asked by Mellisa B on August 29, 2016
  76. Math

    Identify the solution(s) of the system of equations, if any. x + 5y = 7 4x - 5y = 13

    asked by Cathy on January 23, 2015
  77. math graphing please help

    which graph response the solution to the given system? y=-x+5 y=1/4x+10

    asked by roeeeee on January 23, 2019
  78. Chem

    How many grams of salt are there in 2.9 mL of solution that has a concentration of 1.4 g/mL?

    asked by csd on September 14, 2016
  79. Science

    could a solution of a liquid and a gas be soda

    asked by becca on January 8, 2008
  80. Chemistry

    What is the solvent in70% of alchol solution?

    asked by Ridwan darebo on October 25, 2016
  81. analytical chemistry

    At what ph will Al(OH)3 begin to preciptate from a .10 M solution of AlCl3?

    asked by TK on October 27, 2015
  82. Differential Equations

    Find general solution. 2ty dy/dt = 3y^2 - t^2

    asked by George on February 14, 2018
  83. chemistry

    At what ph will Al(OH)3 begin to precipitate from a .10 M solution of AlCl3?

    asked by lisa on October 27, 2015
  84. another one please help

    {-9x-3y=147 -x+7y=-101 The solution of the system is:

    asked by Carlos on April 7, 2017
  85. chemistry

    How many grams of NaOH are there in 2.5L of a 0.343M solution?

    asked by n/a on March 12, 2011
  86. differential Equations

    Find general solution [t - sqrt(ty) ] dy/dt = y

    asked by George on February 14, 2018
  87. math

    determine which ordered pair is a solution of y=2x-3.

    asked by anna on May 5, 2016
  88. ap chemistry

    What is the [H3O+] of a solution with [OH-] = 6.3 × 10-4 M? A. 6.3 × 10-18 M B. 10.80 M C. 6.3 × 10-4 M D. 1.6 × 10-11 M DrBob222 can you help me with this question please?

    asked by jessica on September 14, 2016
  89. math

    Evaluate:24(12)-9/3. Find the answer and the solution.

    asked by Erica Anne C. Arellano on July 25, 2011
  90. biology

    How can i get air in a bag, into a beaker of solution?

    asked by rose on November 5, 2015
  91. chemistry

    calculate the molarity of 18.0 ml of h2so4 in 2.0l of solution?

    asked by diane on December 5, 2010
  92. math

    determine which ordered pair is a solution of y -5x + 10. A.(-15,5) B.(2,0) C.(-1,-5) D.(3,25) I think it is A, can someone help?

    asked by meow meow kit kat on March 10, 2019
  93. science

    How to determine the molarity of a 1.8% NaCl solution.

    asked by bill on February 24, 2011
  94. chemistry

    How many grams of NaOH are there in 2.5L of a 0.343M solution?

    asked by twynna on February 9, 2011
  95. CHEMISTRY

    What is the pH of a solution with [H3O+] = 1 x 10-9 M? My answer is pH=9. is that correct

    asked by KKK on December 1, 2014
  96. chemistry

    How many millimoles of H+ are present in 1.00 L of 1.24 M CF3CO2H solution?

    asked by andy on April 1, 2010
  97. Chemistry

    What is the solubility of ZnCO3 at 25 o C in a buffer solution with a pH of 9.74?

    asked by Snow on April 28, 2016
  98. algebra

    im really stuck on this one What is the solution to the linear inequality y ¡Ý 4x - 5 ?

    asked by Meredith Grey on March 25, 2015
  99. chemistry

    What is the pH of a 0.5 M solution of NaHCO3? Kb = 2.4x10-8 (base)

    asked by Randy on November 11, 2015
  100. chem

    0.283 M solution X 176.12 g = 50 g/L how many g per 30 mL? 150?

    asked by Anonymous on April 30, 2016

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  551. 551
  552. 552
  553. 553
  554. 554
  555. 555
  556. 556
  557. 557
  558. 558
  559. 559
  560. 560
  561. 561
  562. 562
  563. 563
  564. 564