1. 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 the start of the ...
  2. Chemistry

    A 1.50-g mixture of the solid salts Na2SO4(molar mass 142.04 g/mol) and Pb(NO3)2(molar mass 331.20 g/mol) forms an aqueous solution with the precipitation of PbSO4 molar mass 303.26 g mol The precipitate was filtered and dried, and its mass was determined to be 0.392 g.The ...
  3. Differential equation

    A first order linear equation in the form y′+p(x)y=f(x) can be solved by finding an integrating factor μ(x)=exp(∫p(x)dx) (1) Given the equation (x+4)^2y′+5(x+4)y=16 find μ(x)= I found it to be e^(5ln(x+4))which is correct** (2) Then an explicit ...
  4. 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, yeast is able to derive ...
  5. chemistry

    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, how can it be ...
  6. insurance form preparation

    What form should be attached to a CMS-1500 form submitted to a secondary insurance company? A. a copy of the CMS-1500 sent to the primary insurance company. B. An Explanation of Benefits (EOB) C. a copy of the patient's medical treatment record. D. a copy of the patient's ...
  7. chemistry

    What is the general form for the simplest type of acid-base reaction? A. acid + base salt + water B. acid + base base + acid C. acid + base H+ + OH- D. acid + base solid + water
  8. Chemistry

    How do I solve this problem? According to the following reaction, how many grams of mercury(II) oxide are needed to form 22.4 grams of oxygen gas? mercury(II) oxide (s) mercury (l) + oxygen (g)grams mercury(II) oxide
  9. Physical Chemistry

    When the reaction glucose-1-phosphate (aq) --> glucose-6-phosphate (aq) is at equilibrium at 25.0 degrees celcius, the amount of glucose-6-phosphate present is 95% of the total. A.) Calculate the Standard Delta G at 25.0 degrees celcius. B.) Calculate Delta G for the ...
  10. 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 enthalpy (H) for ...
  11. chemistry

    Many reaction involving heterogeneous catalysts are zeroth order, that is rate=k. An example is the decomposition of phosphine (PH3) over tungsten (w): 4Ph3---> P4 + 6H2 It is found That the reaction is independent of PH3. As lon 1 g as phosphine's pressure is sufficiently ...
  12. chemistry

    The following molecular equation represents the reaction that occurs when aqueous solutions of lead(II) nitrate and magnesium chloride are combined. Pb(NO3)2 (aq) + MgCl2 (aq) PbCl2 (s) + Mg(NO3)2 (aq) Write the balanced net ionic equation for the reaction.
  13. Chemistry

    Consider a generic redox reaction then suppose that the coefficients in the redox reaction are doubled. How will the following quantities be affected for a voltaic cell under nonstandard conditions, will they be Doubled, Halved, Squared, or No Change. Note that n is written as...
  14. science

    determine if each equation represent a redox reaction.if it is a redox reaction,write dowm the two half reactions of(1) 2KCL3=2KCL+3O2,,(2)BaCL2+2KIO3=Ba(IO3)2+2KCL and (3)HCL+NaOH=H2O+NaCL
  15. chemistry

    What is the theoretical yield of H[2]O (in grams) if 8.3 mol H[2]S were consumed in the above reaction? If 137.1g of water was actually collected after the reaction, what is the percent yield? I have no idea to do this problem. I am not good in math at all and currently taking...
  16. chemistry

    Some spacecrafts use hydrazine (N2H4) as fuel and is burned according to the following reaction: N2H4(l)+N2O4(g)=>2 N2O(g)+2 H2O(g) Calculate the DHrxn° for this reaction using the standard enthalpies of formation from Appendix IIB. Calculate your answer to 4 sig figs
  17. Chemistry

    Tap water that contains Cl− at a concentration of 50 ppm is used to prepare a 0.100 mol/L AgNO3 solution. Does a precipitate form? How much? I don't know how to find out how much precipitate will form but a precipitate will form based on my calculations 50 ppm 0.0014 mol...
  18. math

    The large red equilateral triangle has sides of 8x units. The midpoints of the red triangle are joined to form the blue triangle. The midpoints of the blue triangle ate joined to form the green triangle. The process of joining midpoints to form new triangles continues ...
  19. chemistry

    Carbon Dioxide reacts with water in blood plasma to form carbonic acid.Suppose that you are a molecule of carbon dioxide. Describe the chemical reactions that take place when you enter the blood and when you leave the blood. Explain what determines how these reactions occur. ...
  20. CHEMISTRY

    Carbon Dioxide reacts with water in blood plasma to form carbonic acid.Suppose that you are a molecule of carbon dioxide. Describe the chemical reactions that take place when you enter the blood and when you leave the blood. Explain what determines how these reactions occur. ...
  21. chemistry

    Carbon Dioxide reacts with water in blood plasma to form carbonic acid.Suppose that you are a molecule of carbon dioxide. Describe the chemical reactions that take place when you enter the blood and when you leave the blood. Explain what determines how these reactions occur. ...
  22. chemistry

    LiOH and NaOH can each react with CO2 to form the metal carbonate and H2O. These reactions can be used to remove CO2 from the air in a spacecraft. a. Write a balanced equation for each reaction. b. Calculate the grams of NaOH and of LiOH that remove 288 g CO2 from the air. c. ...
  23. chemistry

    Your body deals with excess nitrogen by excreting it in the form of urea, NH2CONH2. The reaction producing it is the combination of arginine (C6H14N4O2) with water to give urea and ornithine (C5H12N2O2). C6H14N4O2 + H2O  NH2CONH2 + C5H12N2O2 [Molar masses: 174.2 18.02 ...
  24. Physics

    Before a nuclear reaction, there is 0.01000 kg of uranium. After the nuclear reaction, there is 0.00950 kg of uranium. How much energy was released? (h = 6.63 × 1034 Js)
  25. chemistry

    For the reaction H2(g) +S(s)->H2S(s), Triangle H= -20.2 kJ and triangle S= 43.1 J/K. WHen will the reaction be spontaneous? I know that it has to be negative to be spontaneous but i don't exactly know how to answer this question.
  26. chemistry

    Consider the reaction 2 X2Y+Z2 ⇌ 2 X2YZ which has a rate law of rate= k[X2Y][Z2] Select a possible mechanism for the reaction.
  27. Chem13

    The reaction CO(g) + 2 H2(g)--> CH3OH(g) was studied using a 5.19 L flask and an initial condition of 26.9 g CO and 2.34 g H2. At equilibrium, the flask contains 8.34 g CH3OH. Calculate Kc for this reaction.
  28. Chemistry

    Ni2+(aq)+Mg(s)→Ni(s)+Mg2+(aq) Indicate the half-reaction occurring at Anode. Indicate the half-reaction occurring at Cathode.
  29. MATH - Standard Form

    Mohammed copied this problem into his notebook. (3.4x10^5)(3.8x10^-9) A. Use the associative and commutative properties to rearrange the factors. B. Find the product and write it in standard form.
  30. 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 ?
  31. 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 help me? Thanks you
  32. 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?
  33. Chemistry

    Nitrogen and hydrogen, with volumes of 12.0 L each, are injected into a sealed rigid reaction chamber containing a catalyst. The pressure of the chamber is 8.00 atmospheres and at a known temperature. The reaction is allowed to proceed to completion while being maintained at a...
  34. Physical Science

    I don't quite understand Actions and Reactions. [For every action, there is an opposite and equal reaction.]Can someone let me know if I am correct on this question or not? Identify the action and reaction forces in the following situations: 1. You kick a soccer ball and the ...
  35. chemistry

    This is my third time to ask this and no one has answered. Please help. 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...
  36. Economics

    Purpose:critical thinking and problem solving. 1. A description of the market form in which milk producers operate. 2.A detailed explanation,with graphs,of how the price of milk would have been determined in the absence of government involvement in the market. 3.A detailed ...
  37. Spanish: Please Help

    23. Write the correct verb form in the blank: yo/encontrar. yo ___________ (2 points) 24. Write the correct verb form in the blank: ella/cerrar. ella ___________ (2 points) 25. Write the correct verb form in the blank: nosotros/querer. nosotros ___________ (2 points) 26. Write...
  38. Spanish: Please Help

    23. Write the correct verb form in the blank: yo/encontrar. yo ___________ (2 points) 24. Write the correct verb form in the blank: ella/cerrar. ella ___________ (2 points) 25. Write the correct verb form in the blank: nosotros/querer. nosotros ___________ (2 points) 26. Write...
  39. Math Plz Correct Me!!

    Which ratios form a proportion? 3/15, 12/55 8/24, 12/35 5/18, 25/90•• 4/11, 16/25 Which ratio form a proportion with 9/15? 6/10 16/21 36/50•• 45/70
  40. Math

    Divide. Write the answer in simplest form. 8 1/6 divided by 2 1/24. I got 4 5/6 is this right? If so what's the simplest form.
  41. 3rd grade-math

    When counting blocks and they ask for standard form, what do they mean? What is standard form?
  42. precalculus

    Given f(x)=x^2 -3x, find f(2x) in simplest form. so i got that you plug 2x in for x: f(2x)=2x^2-6x is that simplest form? or should it be further condensed into 2x(x-6)? thanks for your time i really appreciate it (:
  43. Math

    How do you write the square root of 3 in exponential form? or any other radical into exponential form
  44. Algebra

    how would you write y=8 in standard form of a linear equation? *isnt it already in standard form?????*
  45. Algebra 2

    (1-7) write each function in vertex form (8-10) write each funtion in standard form? 1) Y=x^2+3x-10 2) Y=x^2-9x 3) Y=X^2+x 4) Y=x^2+5x+4 5) Y=4x^2+8x-3 6) Y=(3/4)x^2+9x 7) Y=-2x^2+2x+1 8) Y=(x-3)^2+1 9) Y=2(x-1)^2-3 10)Y=-3(x+4)^2+1
  46. Chemistry

    (1) Why are fractional coefficients permitted in a balanced thermochemical equation? In thermochemical reactions, only small amounts of matter are considered. If fractional coefficients were not used, the scale of the reaction would be excessively large. Fractional ...
  47. algebra

    1.what is the simplest form of the producy sqrt 50x^7y^7 * sqrt 6 xy^4 2. What is the simplest form of the radical expression 4^3 sqrt 3x + 5^3 sqrt 10x 3. What is the simplest form of the radical expression sqrt 2 + sqrt5 / sqrt 2 - sqrt 5 if someone could explain the steps ...
  48. chemistry 1

    if 20.2g of zn react with and equal amount of magnesium chloride to form magnesium and zinc chloride[zn+mgcl2> mg+zncl2] a.what is the limiting reactant? b. how much magnesium will be produced? Here is the way to solve most of these stoichiometry problems. Step 1. Write the...
  49. Math (Please help!!)

    Given A(-4,-2), B(44), and C(18,-8, answer the following questions Write the equations of the line containing the altitude the passes through B in standard form. Write the equation of the line containing the median that passes through point C in slope-intercept form Write the ...
  50. Math (Geometric Progression)

    5 distinct positive reals form an arithmetic progression. The 1st, 2nd and 5th term form a geometric progression. If the product of these 5 numbers is 124 4/9, what is the product of the 3 terms of the geometric progression? Note: The phrase "form an arithmetic progression" ...
  51. chemistry

    Suppose a reaction has the equilibrium constant K = 2.3 10-7 at a particular temperature. Will there be a large or small amount of unreacted starting material present when this reaction reaches equilibrium? a)There will be a small amount of unreacted starting material present ...
  52. chemistry

    Need Help Finishing: Purpose: • To observe a chemical reaction. Materials: • Vinegar (acetic acid, CH3COOH) • Baking soda (NaHCO3) • Measuring cups and spoons • Cup Procedure: 1. Place ½ cup of vinegar in the cup. 2. Add 1 tablespoon on baking soda. 3. Record your ...
  53. Chemistry

    Compound 1 / Compound 2 / O " CH2 = CH - CH - OH + CH3 - CH - CH2 - C ' ' ' CH3 CH3 OH i) Identify any functional groups in Compounds 1 and 2 and name them. ii) Complete the equation for reaction 1 by drawing the abbreviated structural formula(e) of the products of this ...
  54. Chemistry

    Iodine clock reaction If the thiosulfate ion solution was omitted what would appear in the solution? I know that once the thiosulfate ion is responsible and exhaubated the reaction rate stops and iodine is presented in the color blue. In that case, if thiosulfate ion solution ...
  55. Chemistry

    500.0 mL of 0.220 mol/L HCl(aq) was added to a high quality insulated calorimeter containing 500.0mL of 0.200 mol/L NaOH(aq).Both solutions had a density of 1g/mL & a specific heat of 4.184 J/g.K.The calorimeter had a heat capacity of 850 J/C.Temperature of entire system rose ...
  56. English

    Jack: I'll be there in 20 minutes. I'm stopping at the store to pick up some batteries. Do you need anything Which of the following statements about Jack's dialog is true? 1. All three sentences use future form and meaning 2.All three sentences use present form and meaning 3....
  57. algebra 2

    Would some one look at these problems and see if I got them right Thanks Just let me if they are wrong so I can go back over them 1.Write in simplest form 48/56 A. 6/7 2.Multiply 8x^3/5 *10/x^3 A. 16/x^4 3.Divide 4/x^7 / 12/x^3 A. 1/3x^2 4. divide x^2-36y^2/5x^2+30y / (x^26xy...
  58. chemistry

    The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 6.35-g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCl(aq) and passed over a reducing agent so that all the antimony is in the ...
  59. Chemistry

    Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to sweat, and it is determined that the heat of vaporization of its sweat is 155 cal/g. The scientist observing the extraterrestrial life form also ...
  60. 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 work.
  61. 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 = 3x − 4 2. 2x + ...
  62. Chemistry

    Which of the following is the best definition of Hess' Law? A. Since enthalpy is a state function, it will be different if a reaction takes place in one step or a series of steps. B. Heat is always released by the decomposition of 1 mole of a compound into its constitute ...
  63. Physics

    The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises from 256 to 297 oC? (The factor is the ratio of the rates.) A catalyst decreases the activation energy of a ...
  64. Science

    How do the products and reactants of a chemical change compare? The mass of the products is greater than the mass of the reactants because energy is absorbed by the reaction. The mass of the products equals the mass of the reactants because energy is not absorbed or given off ...
  65. chemistry

    A particular kind of emergency breathing apparatus-often placed in mines, caves, or other places where oxygen might become depleted or where the air might become poisoned-works via the following chemical reaction: 4KO2(s)+2CO2(g)--> 2K2CO3(s)+3O2(g) Notice that the reaction...
  66. chemistry

    A particular kind of emergency breathing apparatus-often placed in mines, caves, or other places where oxygen might become depleted or where the air might become poisoned-works via the following chemical reaction: 4KO2(s)+2CO2(g)--> 2K2CO3(s)+3O2(g) Notice that the reaction...
  67. Chemistry

    These are the answers I got for the following problems - am I right? 1) How many grams of water, H2O, and propene, C3H6, can be formed from the reaction of 6.0 g of 2-propanol, C3H8O? C3H8O ----> C3H6 + H2O 1.8g H2O and 4.2g C3H6 2) How many moles of water, H2O, can be ...
  68. Spanish please help

    I have no idea how to do these. Will somebody please help. Thank you so much. 3. Fill in the blank with the correct verb form: yo/pensar. Yo __________ 4. Fill in the blank with the correct verb form: ella/entender. ella __________ 5. Fill in the blank with the correct verb ...
  69. chemistry

    Question 4-6 refer to : 3Ag(s) + 4HNO3(AQ) = 3AGNO3(aq) + NO(g) + 2h2o(l) 4. How many moles of NO can be produced by the reaction of 54.0g of Ag? 5. How many grams of AgNO3 can be produced by recating completely 88.0g of Ag? 6. State the number of grams of water that can be ...
  70. Chemistry

    Kp=1.78 at 250 degrees for the decomposition reaction, PCl5(g)->PCl3(g)+Cl2(g. Calculate the percentage of reactant that remains if 10.0 moles of starting material are placed in a closed vessel at this temperature and 2.00 atm pressure. Also, determine the value of Kc for ...
  71. Chemistry

    A first order chemical reaction has a rate constant of 8.7×103 s-1 at 30 °C and a rate constant of 5.8×104 s-1 at 64 °C. Calculate the activation energy, Ea, for the reaction. I keep getting 5.25e-6 kJ/mol but apparently that's not the correct answer. ln(5.8e4/8.7e3)=-ea/8...
  72. chemistry

    Question 4-6 refer to : 3Ag(s) + 4HNO3(AQ) = 3AGNO3(aq) + NO(g) + 2h2o(l) 4. How many moles of NO can be produced by the reaction of 54.0g of Ag? 5. How many grams of AgNO3 can be produced by recating completely 88.0g of Ag? 6. State the number of grams of water that can be ...
  73. Chemistry

    A first order chemical reaction has a rate constant of 8.7×103 s-1 at 30 °C and a rate constant of 5.8×104 s-1 at 64 °C. Calculate the activation energy, Ea, for the reaction. I keep getting 5.25e-6 kJ/mol but apparently that's not the correct answer. ln(5.8e4/8.7e3)=-ea/8...
  74. Chemistry

    Consider a one step reaction. Which of the following does not describe the activation energy of the process? The minimum amount of energy needed for a reaction to occur The energy difference between the starting point and the transition state The energy required to distort or ...
  75. Chemistry

    Predict the most likely redox reaction and use the spontaneity rule to predict whether the reaction will occur spontaneously. 1. An aqueous solution of potassium permanganate was reacted with an acidic solution of sodium bromide and an orange-born substance was formed. Can ...
  76. Chemistry

    Consider a one step reaction. Which of the following does not describe the activation energy of the process? The minimum amount of energy needed for a reaction to occur The energy difference between the starting point and the transition state The energy required to distort or ...
  77. chemistry

    2Na3PO4(aq)+3 Ba(NO3)2(aq)---->Ba3(PO4)2(s)+6NaNO3(aq) a solution containing 3.50g of Na3PO4 is mixed with a solution containing 6.40g of Ba(NO3)2 how many grams of product can be formed? and if the above reaction resulted in 3.659 g of white powder, what is the percent ...
  78. Science

    Hello :) my name is Deqa, i was wondering if anyone knew the affects of a state of a substance on the reaction so generally speaking does it matter if a solid is dissolved in a solution or is it faster for a solution be added to another solution basically im wondering if the ...
  79. 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.
  80. Science 7 HELP!!!!

    1. violent storms usually form along? 2. areas of low pressure usually have? 3.what does figure 5-2A show? ps Connexus quiz!! 4. which of the following explains what is happening in figure 5-2B? 5.tornadoes can form when wind at different ? blows in a different directions and ...
  81. Chemistry

    All of the following apply to the reaction A(g)+B(g)<==>C(g) as it is carried out at constant temperature in a rigid container EXCEPT: A)The total pressure decreases B)The rate of reaction decreases C)The entropy of the system decreases D)The number of molecules of C ...
  82. Chemistry

    Activation energy is the heat released in a reaction the energy barrier between reactants and products the energy given off when reactants collide*** generally very high for a reaction that takes place rapidly
  83. Chemistry

    At 2000°C the equilibrium constant for the reaction is Kc = 2.4 ✕ 103. 2 NO(g) equilibrium reaction arrow N2(g) + O2(g) If the initial concentration of NO is 0.160 M, what are the equilibrium concentrations of NO, N2, and O2? I do not even know how to ...
  84. Chemistry chemical equilibrium

    1.25 mol of NOCl was placed in a 2.50 L reaction chamber at 427 celciciu degre . After equilibrium was reached, 1.1 mole of NOCl remained. Calculate the equilibrium constant Kc for the reaction
  85. Chemistry

    When solid magnesium nitride reacts with water the reaction produces solid magnesium hydroxide and ammonia gas. 26.0 grams of magnesium nitride are reacted with 17.6 grams of water. 1. How many grams of magnesium nitride will remain after reaction is complete? 2. How many ...
  86. Algebra

    Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y= ?... 1. Express your answer in the form y=mx+b. (7,8); x+7y=6 2. Express your answer in the form y=mx+b. (-4,8); 8x=7y+9 3. Express your answer in the form ...
  87. Chemistry

    The reaction b/t H2 and O2 yield water vapor and has a change of heat =-484kJ.Ho much PV work is done and what is the value of the change of E in kJ for the reaction of 0.50 mol of H2 with 0.25 mol of O2 amd atmospheric pressure of 1.00 , the volume change is -5.61.
  88. chemistry

    Consider the reaction 3CH4(g)= C3H8(g)+ 2H2(g).Calculate Delta G at 298 K if the reaction mixture consists of 40 atm of CH4 , 0.011 atm of C3H8, and 2.1×10−2 atm of H2.
  89. chemistry

    consider the reaction in which 410 grams of Ca(NO3)2 react with just the right amount of lithium metal in a single replacement reaction. 1-how many grams of lithium are required? 2- how many grams of each product can be produced?
  90. chemistry

    Consider the reaction 3CH4(g)= C3H8(g)+ 2H2(g).Calculate Delta G at 298 K if the reaction mixture consists of 40 atm of CH4 , 0.011 atm of C3H8, and 2.1×10−2 atm of H2.
  91. chemistry

    Calculate the molar solubility of Cu(OH)2, Ksp = 2.2 × 10–20, in 0.52 M NH3. Don't forget to use the complexation reaction Cu2+ + 4 NH3 ⇌ Cu(NH3)42+, K = 5.0 × 1013 What does he mean by the complexation reaction??? So confused, please help!!!
  92. Chemistry

    Cells use the hydrolysis of adenosine triphosphate (aTP) as a source of energy. This reaction can be written as, ATP(aq) + H2O(l) --> ADP(aq) + H2PO4-(aq), wehre ADP represents adenosine diphosphate. For this reaction, Delta Grxn = -30.5KJ/mol. If all the free energy from ...
  93. SCIENCE 1

    for following reaction at equilibrium if we increase the reaction temperature the equilibrium will 2SO3(g)<-->2SO2(g)+O2(g)(deltaH degrees=198kJ) A. not shift B.the question can not be answered because Keq is not given C.shift to the right D. shift to the left I am going...
  94. Chemistry

    Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing tin and silver: Sn(s)|Sn2 (aq)||Ag (aq)|Ag(s) what is the equation for cathode, anode, and net cell reaction
  95. Chemistry

    Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing tin and silver: Sn(s)|Sn2 (aq)||Ag (aq)|Ag(s) what is the equation for cathode, anode, and net cell reaction
  96. chemistry

    Consider the following reaction: I2(g) + Cl2(g) 2ICl(g) o Kp = 81.9 at 25 C. Calculate ∆Grxn for the reaction at 25 C under each of the following conditions: a Standard conditions. b At equilibrium. c PICl = 2.55 atm; PI2 = 0.325 atm; PCl2 = 0.221 atm.
  97. Chemistry

    How do I write out the reactants and products for the following chemical equation? How do I write the names of the products? How do I write the net ionic reaction for this double replacement reaction? barium acetate and potassium phosphate ->
  98. O chemistry

    1. Predict the relative rates for the reaction of butadiene and a. ethene, b. methyl propenoate, c. and maleic acid 2. what product is expected from the reaction of fumaric acid (trans-2-butenedioic acid) with 1,3-butadiene.
  99. Chemistry

    Activation energy is____ the heat released in a reaction*** the energy barrier between reactants and products the energy given off when reactants collide generally very high for a reaction that takes place rapidly
  100. chemistry

    At 850 K, the value of the equilibrium constant Kp for the ammonia synthesis reaction N2(g) + H2(g) <--> N2H2(g) is 0.1690. If a vessel contains an initial reaction mixture in which [N2]=0.0150 M, [H2]=0.0200 M, and [N2H2]=0.000250 M, what will the [N2H2] be when ...
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  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100