1. MATHS - please help

    Rearrange in the form ax+by+c=0 1) y+4 = 3/5(x-1) Thank you

    asked by Anonymous on September 14, 2015
  2. Calculus

    What is y=-2/7x-1 in standard form?

    asked by Anonymous on February 21, 2017
  3. fractions

    38/53 in the simplest form

    asked by ava on January 1, 2016
  4. Maths

    Rearrange in the form ax+by+c=0 1) y+4 = 3/5(x-1) Thank you 😘

    asked by Anonymous on September 14, 2015
  5. Calculus (easy)

    What is the polar form of (-2-2i)?

    asked by Desperate Student on April 20, 2016
  6. math

    12/25 x 5/21 in simplest form

    asked by Anonymous on December 11, 2012
  7. math

    .26 in word form

    asked by Anonymous on September 17, 2013
  8. math

    what is three over seven in simplest form

    asked by Anonymous on August 24, 2010
  9. Math

    What's 6/20 in simplest form? ( I know what simplest form is)

    asked by Dan on March 6, 2013
  10. MA120 help please

    Can a/b and (a+b)/b ever form a proportion? Why or why not?

    asked by DAWN on August 27, 2014
  11. math

    35/65 in simplest form

    asked by michelle on September 25, 2015
  12. math

    Is 5/7 in simplest form

    asked by dillan on May 17, 2010
  13. Algebra

    What is the simplified form of 1/2/3/4 1/24? or 3/8

    asked by anonymous on September 1, 2018
  14. Math

    Rearrange 8x+2y+11=0 into the form y=mx+b

    asked by john on January 6, 2011
  15. calculus

    write it in the form of a+ib (1+i)^2 (1-i)^3

    asked by mimi on May 18, 2011
  16. simplest form

    what is 1/2+5/6 in simplest form

    asked by tt on September 12, 2012
  17. science

    how do hurricanes form?

    asked by audrey on May 18, 2011
  18. MA 112

    Can a/b and (a+b)/b ever form a proportion? Why or why not?

    asked by Dawn on September 1, 2014
  19. science

    what causes clouds to form?

    asked by Sarah on February 16, 2017
  20. Precalculus

    #1.) Write (1-i)^10 in a+bi form. #2.) Write (1+i)^20 in a+bi form. How do I do these? Thanks!

    asked by Ellie on September 7, 2015
  21. science

    what is a rainbow? how does it form?

    asked by sniper on October 1, 2008
  22. visual

    how colour is form?

    asked by mishka on September 12, 2009
  23. Maths

    Standard form. (3.4 x 10^7) x (4.5 x 10^-4) So far I got to 15.3 x 10^3.

    asked by Anonymous123 on September 21, 2016
  24. Math

    y - 15 3/5 = 2 1/3 y=? Simplest form

    asked by Anonymous on December 17, 2012
  25. math

    what is the word form for 0.34

    asked by dom on January 24, 2012
  26. Math

    4/5 • m = 7 m=? simplest form. please I really need help!

    asked by Anonymous on December 17, 2012
  27. simplest form

    what is the simplest form of 1/4?

    asked by Lilly on November 18, 2012
  28. algebra

    what is 2x^2-2=-5x-1 in standard form?

    asked by forrest on May 14, 2010
  29. Math 221

    What is 5/12+7/9 in simplest form

    asked by Erica on July 13, 2014
  30. math

    can i get help on 4 over 9 plus 3 over 4... in simplest form

    asked by hailey on February 17, 2013
  31. doan

    what is the simplified form of x-1/3x-3 ?

    asked by anna on March 31, 2017
  32. Math

    7/12 x 4/5 simplest form.

    asked by Anonymous on December 14, 2012
  33. Algebra

    What is 54 over 72 in simplest form

    asked by Aaron on September 30, 2011
  34. math

    20/36 in simplest form

    asked by jan on May 3, 2010
  35. Math

    what is the simplest form of 16/19

    asked by lasa on February 1, 2011
  36. Math

    What is the standard form of y+2=1/2(x-4)? a. x=2y=0 b. x-2y=8 c. 2x-y=10 d. -3x+2y=0

    asked by Zay on January 4, 2011
  37. algerbra

    logarithmic form of: 4y=64

    asked by darlene on November 30, 2014
  38. math

    3.4-2.44+5,13 simplest form

    asked by Blue on February 28, 2013
  39. 9th grade

    how does ozone form?

    asked by lc on September 22, 2008
  40. Math

    4 x 2/3 in simplest form

    asked by Anonymous on December 14, 2012
  41. math

    what is the simplest form of 5 over 12

    asked by naja on September 27, 2010
  42. Math

    2/7 x 3/4 simplest form

    asked by Anonymous on December 14, 2012
  43. Math

    1 7/10 + 3 3/4 in simplest form

    asked by iplayCODzombies on December 19, 2012
  44. chemistry

    Hydrazine has the molecular formula N2H4 and is a volatile colourless liquid often used in industrial processes and as a rocket fuel. It has a single N–N bond in its structural formula. When hydrazine is heated it produces ammonia (NH3) and nitrogen (N2)

    asked by rebecca niles on January 25, 2011
  45. Math

    Name the property that justifies each step. [(2x100)+(3x10)]+[(1x100)+(5x10)] = (2x100)=[(3x10)+(1x100)]+(5x10) I think this is Commutative = (2x100)+[(1x100)+(3x10)]+(5x10) I think this is Distributive property =[(2x100)+(1x100)]+[(3x10)+(5x10)] I think

    asked by B.B. on June 20, 2009
  46. personal finance

    Which of the following statements is correct? a)Stock is a form of debt capital b)Stock must be repaid at maturity c)Bonds are a form of debt capital d)Bonds do not have to be repaid at maturity IS C CORRECT ANSWER?THANK YOU:))))

    asked by vedrana on March 17, 2010
  47. Math

    The largest circular shape my piece of string can form has a diameter of 8 cm long. How long is the diameter of the largest circular shape that half my piece of string can form? A. 4/pi cm B. 8/pi cm C. 2 cm D. 4 cm Is D the answer ?

    asked by Leyla on August 7, 2018
  48. chemistry

    I got E) for the first and couldn't figure out the other one. Can any one verify the first and help with the second?? In which of the following processes is there a decrease in the potential energy of the substances involved? A) a coil spring is compressed

    asked by jake on January 13, 2011
  49. chemistry

    When N2O5 (g) is heated it dissociates into N2O3 (g) and O2 (g) according to the following reaction: N2O5 (g) N2O3 (g) + O2 (g) Kc=7.75 at a given temperature. The N2O3 (g) dissociates to give N2O (g) and O2 (g) according the following reaction: N2O3 (g)

    asked by Anonymous on February 12, 2011
  50. Chem II

    2.5 mol NOCl(g) was placed in a 2.50 L reaction vessel at 400 degrees C. After equilibrium was established, it was found that 28% of the NOCl had dissociated according to the equation: 2NOCl(g)2NO(g)+Cl2(g) Calculate the equilibrium constant, Kc, for the

    asked by Rick on January 30, 2007
  51. chemistry

    Nitrogen gas, N2, is usually a very inert gas and thus, is often employed in dry boxes. However, it would be a poor choice for use in a dry cell with which of the following substances? A) uranium metal B) Cu/Sn alloys C) Li metals D) Ca metals E) none of

    asked by blobface on April 21, 2007
  52. Chemistry

    Can you determine the limiting reactant just by comparing the masses of the reactants in a reaction?

    asked by Anonymous on February 15, 2016
  53. chem

    What is the activation energy for a reaction whose rate is tripled by a temperature increase from 27.5°C to 55.5°C?

    asked by brian on December 18, 2008
  54. chemistry

    4.8g of Mg were burn in 3.2g of oxygen. The MgO produced at a mass of 8g what is the equation of the reaction

    asked by makwin on January 23, 2017
  55. AP Chemistry

    The equilibrium constant Kp is 5.00×10^17 at 25◦C for the reaction C2H4(g) + H2(g)C2H6(g). From this information, calculate ∆G0 at 25◦C

    asked by Gabriella on November 26, 2013
  56. chemistry

    For the electrolysis of molten potassium bromide: Write the equation for the overall reaction.

    asked by Shane on September 7, 2014
  57. chemistry

    What would happen if water was added to a reaction mixture before letting it cool

    asked by noell on October 20, 2010
  58. chemistry

    in a reversable reaction H2+I2=2HI,what will happen to the equilibrium if the volume is decrease?

    asked by Starsha on September 7, 2014
  59. Chemistry

    How many grams of KCl would be formed in the reaction of 3.000 g of K2CO3 and HCl?

    asked by Amber on October 17, 2010
  60. Chemistry

    At what temperature will the rate constant for the reaction have the value 6.5×10−3 M/s? (Assume k = 5.4 * 10^-4 M/s-1 at 599K and k = 2.8 * 10^-2 M/s at 683K .)

    asked by Lisa on January 31, 2013
  61. chemistry

    What is the balanced equation of the reaction between ammonium ion amd water?

    asked by martha on March 14, 2017
  62. Science

    What is the equation for the reaction of H2S with potassium iodate? All I know is sulphur is precipitated.

    asked by Lusi on October 26, 2012
  63. organic chem

    i. imgur. com/J6VpPrc. png what is the mechanism (electron pushing) of this reaction?

    asked by k on January 31, 2013
  64. chemistry

    For the reaction N2(g) + 3H2(g) 2NH3(g), what will happen if more ammonia gas is added?

    asked by aaron on February 3, 2016
  65. chemistry

    Which reaction illustrates water acting as a Bronsted Lowry base?

    asked by Anonymous on December 5, 2011
  66. Chemistry

    Explain in words what is happening in the reaction between copper and silver nitrate.

    asked by Anonymous on February 3, 2016
  67. chemistry

    complete the following double displacement reaction and indicate the states: KCl+AgNO3=

    asked by Mandy on February 25, 2012
  68. chemistry

    i start with 10 g of zinc. I have 12.5 mass of oxide formed. How the reaction will increase

    asked by Anonymous on April 7, 2011
  69. for Drbob222

    how do I calculate pressure exerted by H2 in a Mg and HCl reaction? (weighing by redox)

    asked by Rebecca on October 29, 2007
  70. Chemistry

    Calculate ΔHºrxn for the reaction 3 O2(g) ==> 2 O3(g) This is the information I am given: 2H2S(g) + SO2g) ==> 3S(s) + 2H2O(l)

    asked by Chris on December 10, 2008
  71. science

    what will happen if you increase the surface area of a solid in a chemical reaction?

    asked by mellly on April 5, 2010
  72. chemistry

    estimate the enthalpy change for the following reaction: OF2 + H2O = O2 + 2HF

    asked by small on November 27, 2016
  73. Chemistry

    What is the value of the equilibrium constant for the overall reaction? ​​ AgCl (s) + 2NH3 (aq) Ag(NH3)2+ (aq) + Cl- (aq) Knet = ?

    asked by Bronwyn on February 29, 2016
  74. Chemistry

    Calculate the temperature at which k = 2.0 s-1 if k = 10.0 s-1 at 371 K. The activation energy for the reaction is 30.0 kJ mol-1.

    asked by Amber on September 6, 2012
  75. Biology

    is the reaction of calcium chloride with sodium carbonate ionic or covalent

    asked by Tammy on September 13, 2011
  76. chemistry

    predict the type of reaction that occurs between liquid pentanol and oxygen.

    asked by Anonymous on April 28, 2011
  77. chem-1

    a first order reaction 50% complets in 20 min.how much time will be required for 90% completion?

    asked by nisha on February 23, 2016
  78. Biology

    Describe how you can achieve negative free energy in a chemical reaction.

    asked by Katie on August 24, 2008
  79. Chemistry

    How is Stiochmetry or anything that has to do with quantities in chemical reaction used in everyday like except for making cakes?

    asked by Simmi on December 5, 2009
  80. Chemistry

    What type of bond is formed in the reaction 4Fe(s)+3O2(g)? Rust?

    asked by Aaron Jett on December 6, 2009
  81. chemistry

    __NH3(g) + __ O2(g) → __ N2(g) + __ H2O(g) When the reaction above is completely balanced, the coefficient for NH3 will be (a) 2. (b) 3. (c) 4. (d) 6.

    asked by Kacie on January 13, 2012
  82. College Chemistry

    Estimate the enthalpy change for the following reaction OH(g)+CH4(g)==>CH3(g)+H2O(g)

    asked by West on April 21, 2011
  83. Chemistry

    Estimate the enthalpy change for the following reaction OH(g)+CH4(g)==>CH3(g)+H2O(g)

    asked by West on April 19, 2011
  84. AP Chemistry

    write an oxidation- reduction reaction for the reactants OCl- and S2O3-2

    asked by Anonymous on October 28, 2013
  85. Chemistry

    How is 4FeS2 + 11O2 = 2Fe2O3 +8SO2 a single replacement reaction?

    asked by Gary on March 1, 2016
  86. chem

    2 HNO3(aq) + Na2CO3(s) 2 NaNO3(aq) + H2O(l) + CO2(g) (a) Calculate H° for this reaction. kJ

    asked by mel on November 26, 2007
  87. chemistry

    If I react 3,5-dimethylphenol with NaOH what would my product be? Is this an acid base reaction?

    asked by AMY on November 29, 2007
  88. chemistry

    According to the reaction below, how many grams of lithium oxide could be produced from 3.1 moles LiCl?

    asked by chemo on November 20, 2015
  89. Chemistry

    How do I balance this chemical reaction? __K + __CaBr2 → __KBr + __Ca

    asked by Jianna on December 8, 2013
  90. Chemistry

    Why is it that the reaction between benzoyl chloride and methanol do attack carbon from the ring

    asked by Chirve on June 4, 2014
  91. Chemistry

    is H2CO3+2LiOH=Li2CO3+2H2O a oxidation reduction reaction??

    asked by Briana on May 6, 2017
  92. Chemisty

    blanced equation for MgSO4(aq) + BaCl2(aq) describing any precipitaion reaction

    asked by Carmen on June 3, 2014
  93. chemistry

    Redox reaction in assign oxidation number is ca3(po4)2

    asked by Prajwal on June 2, 2014
  94. chemistry

    Which is the correct expression for Keq when the chemical reaction is as follows: N2 + 3H2 2NH3.

    asked by luis on November 16, 2015
  95. Chemistry

    What variable always appears in any reaction rate calculation? Would that be time?~seconds/s?

    asked by Anonymous on October 7, 2010
  96. chemistry

    O3SOOSO3^(2−) + Cr^(3+)+ -> HSO4^(1-) + Cr2O7^(2-). Could someone balance this redox reaction for me? I can't figure it out. Thanks

    asked by Eddy on March 23, 2011
  97. Chemie

    for the reaction at 20 C NH3 (aq) + H+ (aq) NH4+(aq) the equilibrium constant is calculated to be K=4.5 x 108

    asked by Brigitte on June 16, 2013
  98. Chemistry

    What variable always appears in any reaction rate calculation? Would that be time?~seconds/s?

    asked by Anonymous on October 7, 2010
  99. Chem

    In the reaction that forms aluminum nitride from its elements, which element is being oxidized?

    asked by Dan on November 15, 2015
  100. chemistry

    Calculate the standard reduction potential for the reaction of Cu(III) to Cu(II) Use the following data: 1) Cu^+3 + 2e^- -> Cu^+, E°1 = 1.28 V 2) Cu^+2 + e^- -> Cu^+, E°2 = 0.15 V 3) Cu^+2 + 2e^- -> Cu(s), E°3 = 0.34 V 4) Cu^+ + e^- -> Cu(s), E°4 =

    asked by Katie on March 1, 2012