1. mechanics

    a non uniform rod ab of length 4 m and mass 5 kg is in equilibrium in horizontal position resting on two supports at point C and D wgere AC= 1 m and AD= 2 m. the magnitude of reaction at C is half of the reaction at D. Find the distance of the centre of

    asked by sufyaan on April 17, 2011
  2. Chemistry

    Explain using electron-pushing arguments why glycolysis must go through G6P to F6P step (C1 aldehyde to C1 ketone). Focus on the subsequent aldolase-catalysed reaction and explain why glucose 1,6 bisphosphate would not be able to go through the aldolase

    asked by Max on October 19, 2013
  3. Chenistry check

    Can someone check my answer? The question is: In order for the reaction 2Al(s) + 6HCl(aq)-> 2AlCl3(aq) + 3H2(g) to occur, which of the following must be true? a. Al must be above Cl on the activity series. b. Al must be above H on the activity series. c.

    asked by Mike on March 18, 2009
  4. Chemistry-Please help

    2C8H18(g)+25O2(g)-->16CO2(g)+18H2O(g) 0.290mol of octane is allowed to react with 0.600mol of oxygen.The limiting reactant is Oxygen. How many moles of water are produced in this reaction? After the reaction, how much octane is left?

    asked by Rose on October 6, 2009
  5. Chemistry

    If there was a reaction between organic compounds: OH + Cl --> O + HCl, how would I determine which atoms is the nucleophile (O, Cl, or H)? Here is a picture of the reaction: img33.imageshack.us/img33/3923/29529709.jpg From my understanding, a nucleophile

    asked by Hatala on July 15, 2009
  6. chemistry

    The activation energy for the reaction in which CO2 decomposes to CO and a free radical oxygen atom, O, has activation energy of 460 kJ mol^-2. The frequency factor is 2 x 1011 s^-1. What is the rate constant for this reaction at 298 K?

    asked by Massiel on March 20, 2011
  7. applied chemistry

    the equilibrium contant kc=49 at 230^0C, for the reaction PCl3 + Cl2= PCL5. If 0.50mol of each of phosphorus trichloride and chlorine are added to a 5.0L reaction vessel, what is the equilibrium composition of the mixture at 230 degrees celcias?

    asked by jose souljoe on March 28, 2012
  8. Chemistry-Please help

    2C8H18(g)+25O2(g)+16CO2(g)+18H2O(g) 0.290mol of octane is allowed to react with 0.600mol of oxygen.The limiting reactant is Oxygen. How many moles of water are produced in this reaction? After the reaction, how much octane is left?

    asked by Rose on October 6, 2009
  9. Chemistry

    Explain why each of the following is incorrect: (a) Entropy increases in all spontaneous reactions. Wouldn't (a) be actually correct? Because when there's a spontaneous reaction, you have less stable molecules and more disorder. It will be lower in some

    asked by Robert on May 23, 2012
  10. Chemistry

    What are the Oxidation and Reducation reactions for these equations : BaCl2 + NaHCO3 -> BaCO3 + NaCl + HCl (carbon is the reduction reaction, but I don't know what the oxidation reaction is) CaCO3 + HCl -> CaCl2 + CO2 + H2O

    asked by K on May 19, 2013
  11. Chemistry

    Is the decomposition of lead(ii)nitrate a redox reaction? Equation with O.S. underneath 2Pb(NO3)2 => 2PbO + 4NO2 + O2 +2 -1 +2-2 +4-2 0 I got all the o.s. but I am still confused as to whether or not this makes it a redox reaction. Do the individual

    asked by Faith on October 13, 2015
  12. chemistry

    The rate constant of the reaction between CO2 and OH - in aqueous solution to give the HCO3- ion is 1.5 1010 1/(M·s) at 25°C. Determine the rate constant at blood temperature (37°C), given that the activation energy for the reaction is 38 kJ/mol. units

    asked by parker on June 12, 2012
  13. Chemistry

    Explain using electron-pushing arguments why glycolysis must go through G6P to F6P step (C1 aldehyde to C1 ketone). Focus on the subsequent aldolase-catalysed reaction and explain why glucose 1,6 bisphosphate would not be able to go through the aldolase

    asked by Max on October 19, 2013
  14. biology

    Which of the following is true about the relationship between energy and chemical reactions? Activation energy is required for a chemical reaction to occur. Activitation energy is not necessary in a chemical reaction which releases energy. Chemical bonds

    asked by ballamoney1 on April 15, 2010
  15. trigonometry

    1)Solve and write in standard form: 4x^2-4x+21=0 2)Find the standard form of the complex number. 8(cos pi/2 + i sin pi/2) Thanks everyone!

    asked by mikey on December 4, 2012
  16. Math Algr.2

    Convert to standard form (AX+BY=C) 1.y=3/2x+6 2. 2/3y=2x-5 3.7y-21=1/2x 4.-2/3x+3/4y=1 Convert to Slope/intercept form (y=mx+b) 1.3x-27=14 2.-9y-6x-18=0 3.8-2x+4y=0 12x=4y-8 I need help going through this because I am not sure if I am doing everything

    asked by Hannah on November 6, 2012
  17. pre-calculus

    convert the numbers to polar form and then divide.leave the answer in polar form. 10-10i/3root3+3i

    asked by javed on December 3, 2008
  18. Parabola

    How do I put this parabola in standard form? Could someone show how they would put it in this form: (x - h)2 = 4p(y - k) 1. 4x^2+24x+128y-988=0 Please help! I'm lost.

    asked by Kate on May 25, 2012
  19. math

    write the equation for a line in point-slope form and in slope-intercept form. parallel to 3x-4y=12 and passes through (8,3).

    asked by nancy on August 16, 2009
  20. Calculas

    Write the equation for a line in point slope form and in slope intercept form parallel to 3x-4y=12 and passes through (8,3).

    asked by Edgar Martinez on August 8, 2016
  21. computer science

    In form view you can view a forms records but cannot change the layout or design of the form true or false

    asked by Anonymous on September 27, 2013
  22. Pre-Cal

    Find the component form of v given its magnitude and the anlge it makes with the positive a-axis. v=3 v in the direction 3i + 4J Would the component form be (3,4)?

    asked by Hannah on March 28, 2010
  23. 3rd grade math

    what is standard form ? and What is expanded form ?

    asked by brianna on August 17, 2011
  24. physics-please check

    is this right?: when a form of energy changes from one form to another some energy may transfrm into a useful form, those useful form of energy is high grade energy.while the rest of the energy will always change to form we cannot use.which is called the

    asked by Emma on May 14, 2007
  25. Chemistry

    Consider the following reaction: 4NH3(g) +5O2(g) -->4NO(g) +6H2O(g) Suppose we have two flasks connected by a stopcock. In one flask, we have 2.0L of NH3(g) at a pressure of .500 atm. In the other flask, we have 1.00L of O2(g) at a pressure of 1.5atm. When

    asked by Claire on October 30, 2014
  26. Chem. Again

    28: You have a glass of pure water. Are chemical reactions occurring in the water? If so, what are they? If not, explain why not. 29: While investigating the effects of acid rain in your area, you discover a lake that is surprisingly resistant to changes

    asked by Rachel on May 12, 2009
  27. Chemistry

    Given the two reactions 1.PbCl2 Pb^2+ + 2 Cl^-, K1= 1.82×10^−10 2. AgCl Ag^+ + Cl^-, K2 = 1.15×10−4 what is the equilibrium constant Kfinal for the following reaction? PbCl2+ 2 Ag^+ 2AgCl+ Pb^2+ This is what i have soo far: PbCl2Pb2+ + 2Cl- K1=

    asked by Saira on February 6, 2009
  28. grade 12 chemisstry

    I have no idea what I'm doing here, please help. 2 half cells in a galvanic cell consist of one iron Fe(s) electorde in a solution of iron (II) sulphate FeSO4(aq)and a silver Ag(s) electrode in a silver nitrate solution, a)state the oxidation half

    asked by Sarah H on June 3, 2008
  29. Math

    1. The expression 6x(4-3x)–5x(x–4)–9x+2) can be written in the form ax^2+bx+c. The value of abc is? 2. A rectanglular garden is being designed for the City of Calgary Park. The length is 3x+5 and the width is 2x–1. The area of the garden can be

    asked by Mileena on March 20, 2017
  30. Math

    The flat fee of a cab is $3.50 plus an additional $2.25 every mile. b. Write an equation in slope-intercept, point-slope, or standard form. Explain why you chose the form you did What does that mean?

    asked by IWouldAlwaysOpenUpTheDoor on December 10, 2017
  31. math

    Solve for x 2^x+1 - 2^x = 112 Put this in exponent form: (3¡îx)(¡îx©ø) Put into equation form: Horizontal stretch of 2, up 3, left 6, reflection on x-axis. Please help me with these three so I can work on the rest using these as examples. Thanks so

    asked by Nancy on April 18, 2013
  32. biology help?

    In 1857, Louis Pasteur discovered that yeast is a living organism. The activity of yeast causes fermentation – baker’s yeast, Saccharomyces cerevisiae, has been used for centuries in the production of bread, beer and wine. In the absence of oxygen,

    asked by sam on February 15, 2013
  33. English

    1. Today, millions of people have one form of religion, and their neighbors a different one. 2. Today, millions of people have one form of religion, and their neighbors a different religion. 3. Today, millions of people have one form of religion, and their

    asked by rfvv on July 19, 2014
  34. math

    The disney Golf classic starts with 64 golfers. the golfes form pairs and each pair plays amtch. the losers drop out nad the winners of each pair then form new pairs and play again. Then those winners form pairs and play. this continues until there is one

    asked by Alejandro on May 2, 2011
  35. chemistry

    Am doing a lab report on the determination of the product of a redox reaction: the reaction of bromate and hydroxylammonium ions. here is the lab Experiment: In this experiment you will determine the equation of a redox reaction by the use of experimental

    asked by khela on October 26, 2010
  36. health

    What is physical stress? A. A physical reaction of the mind to various triggers B. A physical reaction to the heart to various triggers C. A physical reaction of the body to various triggers D. A physical reaction of the soul to various triggers What is

    asked by Aya on August 6, 2012
  37. Physical Science

    Hi! Thanks for checking my question out! ____ 1. Methane, CH4, burns in oxygen gas to form water and carbon dioxide. What is the correct balanced chemical equation for this reaction? (1 point) a) CH4 + O --> H2O + CO2 b) CH4 + 4O --> 2H2O + CO2 c) CH4 + O2

    asked by Da Fash on November 14, 2017
  38. Chemistry - Equilibrium

    (h) If a catalyst was added to the reaction, which quantities would change? (Select all that apply.) - the potential energy of the products - the potential energy of the reactants - the potential energy of the activated complex -the activation energy for

    asked by Taylor on May 17, 2015
  39. chemistry lab

    An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at

    asked by alan on February 3, 2008
  40. chemistry

    An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at

    asked by alan on February 2, 2008
  41. Chem

    Suppose that a stable element with atomic number 119, symbol Wr, has been discovered. (d) What would be the most likely charge of the Wr ion in stable ionic compounds? (e) Write a balanced equation that would represent the reaction of Wr with water. (f)

    asked by Dave on October 21, 2012
  42. Chemistry

    A student ran the following reaction in the laboratory at 651 K: 2 NH3(g) N2(g) + 3 H2(g) When she introduced 8.75E-2 moles of NH3(g) into a 1.00 Liter container, she found the equilibrium concentration of H2(g) to be 0.119 M. Calculate the equilibrium

    asked by Jessica on November 20, 2013
  43. Chemistry

    Consider the reaction 2 SO2(g) + O2(g) in equilibrium with 2 SO3(g) . At 25°C delta H° = -197.78 kJ and delta S° = -187.95 J/K. Using this information, calculate the equilibrium constant for the reaction at -32°C. (R = 8.314 J/K) Enter your answer

    asked by Bill on November 16, 2014
  44. Chemistry

    A student ran the following reaction in the laboratory at 650 K: H2(g) + I2(g) 2 HI(g) When she introduced 0.204 moles of H2(g) and 0.229 moles of I2(g) into a 1.00 Liter container, she found the equilibrium concentration of I2(g) to be 5.77E-2 M.

    asked by Jessica on November 20, 2013
  45. chemistry

    In the experiment you have added 50.0 mL of Ni(H2O)6 2+ to the calorimeter. To this you add 5.0 mL of ethlylenediamine and measure the change in temperature of the solution as the reaction proceeds. The temperature increases by 3.4 oC. Calculate the

    asked by Barb on April 9, 2013
  46. Chemistry

    What type of reaction may be occurring when a person's skin develops a green stain beneath a 14 K gold bracelet? Using HA as the chemical formula for acid in skin, write a balanced chemical equation to represent the reaction.

    asked by Lucy on March 7, 2009
  47. Chem

    The entropy of combustion of benzoic acid is zero. This means that... a)combustion is not spontaneous here. b)combustion is spontaneous, however, since the reaction is exothermic. c)combustion is spontaneous, however, since the reaction is endothermic.

    asked by Ginger on March 31, 2008
  48. chemistry

    The percentage yield for the reaction PCL3+Cl2-->PCL5 is 83.2%. What mass of PCL5 is expected from the reaction of 73.7g of PCL3 with excess chlorine?

    asked by Brennan on January 13, 2015
  49. Chem15

    The reaction CO(g) + H2O(g)--> CO2(g) + H2(g) has Kc = 102 at 500 K. If a reaction mixture initially contains 0.154 M CO and 0.154 M H2O, what will be the equilibrium concentration of H2?

    asked by Ryan on May 3, 2011
  50. Chemistry

    Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the equation for the reaction associated with the Kb2 of carbonate, CO32–.

    asked by Darrin on January 27, 2013
  51. chemistry

    The enthalpy change for the following reaction is -483.6 kJ: 2H2(g) + O2(g) = 2H2O(g) Therefore, the enthalpy change for the following reaction is _______ kJ: 4H2(g) + 2O2(g) = 4H2O(g)

    asked by danny on January 31, 2015
  52. science

    Explaini why the observation if a preciiitate forming may be evidence of a chemical reaction.What other evidence would youneed to gather to be sure that a chemical reaction has taken place?

    asked by Jiang on January 18, 2012
  53. Chemistry

    Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the equation for the reaction associated with the Kb2 of carbonate, CO32–.

    asked by Jessica on January 27, 2013
  54. chemistry

    If delta G (Gibbs) is positive and you are trying to find at what temperature the reaction is spontaneous would the formula be: T< H/S ? G=H-TS H-TS>0 T< H/S then the temperature found would be the temp at which the reaction is spontaneous?

    asked by alice on February 11, 2018
  55. Chemistry Equation

    1) Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. 2)Write the equation for the reaction associated with the Kb2 of carbonate, CO3^(2-).

    asked by Mizuhara on October 13, 2014
  56. organic chemistry

    Hi, I was wondering if somebody could help me out with this problem which says: "Why does changing the base have no effect on the rate of an E1 reaction while it does affect the rate of an E2 reaction?" I would appreciate any help I can get on this

    asked by manny on November 10, 2007
  57. chemistry

    what mass of acetylene, C2H2, will be produced from the reaction of 90 g of calcium carbide, CaC2, with water in the following reaction? CaC2+2H2O-->C2H2+Ca(OH)2

    asked by Samantha on May 28, 2012
  58. Chem II

    The rate constant for a reaction at 305.0 K is two times the rate constant at 295.0 K. The activation energy of the reaction is ______ kJ mol

    asked by Ken on June 13, 2008
  59. Chemistry

    Calcium reacts with water according to the chemical equation below: Ca + 2H2O--> Ca(OH)2 + H2 All but which reaction is expected to occur on the basis of the reaction of calcium and water?

    asked by Chelsea on October 25, 2011
  60. chemistry

    For the following reaction, 2SO3(g) = 2SO2(g) + O2(g), the equilibrium constant, Kp, is 1.32 at 627 degrees Celsius. What is the equilibrium constant for the reaction: SO3(g) = SO2(g)+ 1/2 O2(g)

    asked by Erka on July 22, 2012
  61. Chem

    Consider the following reaction was found to be the 0th order to A and 2nd order to B. 2A(cr) + 3B(aq) -->A2B3(cr) Write a rate law equation for the reaction rate of A with B.

    asked by Anonymous on January 30, 2008
  62. Chemistry

    Calcium reacts with water according to the chemical equation below: Ca + 2H2O--> Ca(OH)2 + H2 All but which reaction is expected to occur on the basis of the reaction of calcium and water?

    asked by Chelsea on October 25, 2011
  63. chemistry

    Consider the reaction: 2H2S(g)⇌2H2(g)+S2(g) An equilibrium mixture of this reaction at a certain temperature was found to have [H2S]= 0.542M , [H2]= 2.64×10−2M , and [S2]= 7.54×10−3M . What is the value of the equilibrium constant at this

    asked by Anon on December 5, 2014
  64. Chemistry

    Which phosphates are found in human urine? I am writing about the discovery of phosphorus. I know that after urine was left to stand for several days and boiled to a paste it contained ammonium sodium hydrogen phosphate. Is this a constituent of fresh

    asked by Alice on January 4, 2009
  65. Chemistry

    The chemical reaction for the generation of gas in an automobile safety air bag is 2NaN3(s)→ 2Na(s)+3N2(g) What volume of gas is produced if there are 130.0 grams of NaN3 used in the reaction? (The density of nitrogen gas is 0.916 g/L.) Please show your

    asked by Kayla on March 31, 2014
  66. Chemistry

    MF17083:For the following reaction find Kp at 25°C and indicate whether Kp should increase or decrease as the temperature rises. NH4HS(s) H2S(g) + NH3(g); DH° = 83.47 kJ and DG° = 17.5 kJ at 25°C. - A. B. C. D. E. F. Kp = - A. B. C. D. E. F. Kp

    asked by Chris on April 27, 2007
  67. science

    humidity is the amount of water vapor in the air at a given time.if the air at 75 degrees holding the maximum amount of moisture that it can,and the temperture suddenly drops to 60degrees,what is likely to be the result? a)precipitation will be released in

    asked by yaz on October 12, 2007
  68. English

    1.All of the balloons on the string (popped) except two. 2.Do you (want) to buy those books? 3.Daniel's dog is (following) the trail to the river's edge. 4.For thirty years the noon whistle has (blown)exactly on time. 5.The players have (challenged) their

    asked by Tracy on January 26, 2011
  69. algebra

    Use the given conditions to write an equation for the line in point'slope form and slope-intercept form. Slope= -5, passing through (-9,-6) type the point-slope form ot the line Type the slope-intercept form of the line

    asked by craig on June 6, 2011
  70. MATH

    Please help me!!!!!!!!!!!!!!!1 Instructions a. If needed, rewrite the following equations in slope-intercept form. * b. Indicate the slope and the y-intercept for each of the equations. c. Using graph paper and a straight edge, graph the equations. 1. y =

    asked by Austin on May 24, 2007
  71. chemistry

    A gaseous mixture containing 5 moles of H2 and 7 moles of Br2 reacts to form HBr. Write a balanced chemical equation. Which reactant is limiting? What is the theoretical yield in moles? What is the theoretical yield for this reaction in grams? How many

    asked by Zoe on December 4, 2011
  72. Chemistry

    The equation of a simulated photosynthesis reaction is represented by 6CO2(g) + 6H2O (g) -> C6H12O6(s) + 6O2(g) At 31 degree celcius, tje following equilibrium concentration were found [H2O] = 7.91X10^-2M [CO2]= 9.30X10^-1M [O2]= 2.40X10^-3M Determine the

    asked by Lee on October 27, 2018
  73. chem lab

    0.8100g MgO(s)(40.3g/mol) was reacted with 52.3 ml 1.00M HCl(density= 1.00g/ml) in the coffee cup calorimeter, and the observed temperature change was +10.4 degree Celsius. write the equation for this reaction, determine the limiting reactant and find

    asked by mann on February 13, 2014
  74. Reimbursement Methodologies

    You work in a physicians office performing billing. You notice that the guidelines haven't been followed accurately in completing the claim form. What will happen if you don't correct the claim form ?

    asked by Maryana on November 21, 2010
  75. health care

    You work in a physician’s office performing billing. You notice that guidelines haven’t been followed accurately in completing the claim form. What will happen if you don’t correct the claim form?

    asked by Anonymous on June 25, 2010
  76. 6th grade self contained

    I am looking for a form that I can have my studnets fill out weekly that briefly tells thier parents what we learned/did this week...I am calling it Peek of our week...but having difficulty making the form so wondering if there is one I can use.

    asked by Nancy on September 3, 2007
  77. Math Calculus I

    let f(x)= 6sin(x)/(2sin(x)+6cos(x)) The equation of the tangent line to y= f(x) at a= pi/6 can be written in tthe form y=mx+b where m=? b=? I found the f': (9*(cos^2(x)+sin^2(x)))/(3cos(x)+sin(x))^2 but i don't know how to fill it into the form. Can anyone

    asked by Anonymous on May 31, 2016
  78. Accounts

    Which of the following is a characteristic of a sole proprietorship? business owned by more than one person easy to form each stockholder acts as an owner of the company can continue indefinitely Answer - Easy to form

    asked by Angela on August 9, 2018
  79. math!

    What degenerate form or forms of the parabola CANNOT be obtained from the intersection of a plane and a double napped cone? I have to use a diagram and give complete description how to obtain this ( or these) form(s) but what diagram would i use???

    asked by kenny on November 22, 2006
  80. medical billing and coding

    you work in a physcians office performing billing. You notice that guidelines haven't been followed accurately in completing the claim form. what will happen if you don't correct the claim form?

    asked by kim on November 28, 2010
  81. english

    so to craete a narrative poem in the anglo saxon style of beowulf is to copy the same theme but in your own words and your own characters.i think i got it.but do i write it in a essay form or story form or poem.

    asked by paul jones on November 2, 2008
  82. math!

    What degenerate form or forms of the parabola CANNOT be obtained from the intersection of a plane and a double napped cone? I have to use a diagram and give complete description how to obtain this ( or these) form(s) but what diagram would i use???

    asked by yo! on November 23, 2006
  83. Math!!!!!

    What degenerate form or forms of the parabola CANNOT be obtained from the intersection of a plane and a double napped cone? I have to use a diagram and give complete description how to obtain this ( or these) form(s) but what diagram would i use???

    asked by kenny on November 22, 2006
  84. algebra

    Recall that the standard form of a linear equation is Ax+By=C. Rewrite this equation in slope-intercept form

    asked by caden on November 19, 2018
  85. math

    sorry, but one more question... there are a couple questions that say something like write the equation 2x+3y-5=0 in normal form... but isnt it already in normal form?

    asked by isaiah on February 29, 2016
  86. Maath

    Find an equation of the line L in point slope form and in general form. L is parallel to the line 3x-2y+5=0 and contains (2,3)

    asked by Heather on September 28, 2010
  87. Chemistry

    Compare and contrast two elements combining to form a compound and two compounds combining to form a mixture.

    asked by Jennifer on September 8, 2010
  88. college algebra--need help please!!

    write the standard form of the equation and the general form of the equation of the circle with radius r and center (h,k) r=10; (h,k)=(8,-6)

    asked by Heather on December 9, 2012
  89. math

    give an example of rational number in fraction form. write your rotational number in its decimal form.

    asked by mikil on August 14, 2013
  90. 4th grade

    Place value through millions. Write the word form and the short word form. 2,400,210.

    asked by Anonymous on October 23, 2009
  91. Algebra

    i have to take the standard form of the Equation 11x - 4y = 32 and change it to slope- Intercept form y = my + b Answer 4y = 11x - 32

    asked by Anonymous on December 12, 2014
  92. Math

    Use the digits 4'5'6'7' and 8 once each to write an odd five-digit number . Write it both in standard form and in word form

    asked by Emily on December 12, 2014
  93. precalc

    does anyone know the general form equation of a circle with a center (4,5) that passes through (-1,2) ...and just checking, would the standard form equation be: (-1+4)^2 + (2+5)^2 = 58

    asked by Melissa on August 16, 2008
  94. Chemistry

    Can b2h6 react with alkene to form trialkyborane or diborane actually splits like this b2h6 to form 2bh3

    asked by help on February 28, 2018
  95. Chem

    If I were to use dichromate and add HCL and Ba(NO3)2 and NaOH , what should form? Im thinking the Ba(NO3)2 would still form a precipitate but im not too sure about everything else

    asked by Lena on July 22, 2009
  96. Chem

    If I were to use dichromate and add HCL and Ba(NO3)2 and NaOH , what should form? Im thinking the Ba(NO3)2 would still form a precipitate but im not too sure about everything else

    asked by Lena on July 22, 2009
  97. chemistry

    How many grams of NH3 form when 27.5L of H2 (measured at STP)react with N2 to form NH3 according to: N2(g) + 3H2 (g) = 2NH3 (g)

    asked by Susan on November 22, 2010
  98. biology

    Which of the following elements is most likely to form an ion that will then form an ionic bond with an ion of a Group 1A element? Be I Fr **my choice Pt

    asked by sel on November 2, 2016
  99. Chemistry

    A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard solution is assumed to be M. What permits this assumption? A. The

    asked by Neil on June 21, 2011
  100. chemistry plz helpp!

    A) 9.8g of an alcohol A completely reacts with an excess of sodium , and a gas is released. When the reaction ceases the volume of the gas is 1.6L measured at a temperature of 22ºc and under a pressure of 1 bar.  a- What gas is released in this reaction,

    asked by angy on June 28, 2016