The equilibrium constant (Keq) is the ratio of ____ concentrations to ____ concentrations at equilibrium, with each concentration raised to a power equal to the number of ____ of that substance in the balanced chemical equation.

86,313 results, page 8

  1. chemistry

    Liquid Nitrogen tetroxide, N2O4(l), was used as a fuel in Apollo missions to the moon. In a closed container the gas N2O4(g) decomposes to nitrogen dioxide, NO2(g). The equilibrium constant,k, for this reaction is 0.87 at 55 degrees Celsius. A vessel filled with N2O4(g) at ...
  2. Chem -Bob Pursley Please Help!

    Consider the following reaction: 2 HI (g) → H2 (g) + I2 (g) Assume that an experiment is carried out in which the starting concentration of HI (g) is 0.100 mol/L. No products are present at the beginning of the reaction. When equilibrium is established, the concentration of ...
  3. Science (Chemistry)

    A chemical system within a sealed 1 L reaction vessel is described by the following reversible reaction equation: 2H2S(g) <---> 2H(g) + S2(g) If the equilibrium constant is 0.000 004 200 at 1103 K find: (a) the reaction quotient intially (b) the order of concentration of...
  4. chem

    A student mixes 5 mL of 2.00 x 10^-3 M Fe(NO3)3 with 5 mL 2.00 x 10 ^-3 M KSCN. They find that in the equilibrium mixture concentration of FeSCN^2+ is 1.40 x 10^-4 M. Find each of the following: the initial concentration in solution for Fe^3+ and SCN, the equilibrium constant ...
  5. Math (Physics)

    A galaxy is moving away from Earth. The "blue" hydrogen line at 434 nm emitted from the galaxy is measured on Earth to be 458 nm . Part A How fast is the galaxy moving? Answer--> v=____ c Part B How far is it from Earth based on Hubble's law? Answer--> d=____ ly [Please ...
  6. Math Stats

    The following data represent the age (in weeks) at which babies first crawl based on a survey of 12 mothers. 52, 30, 44, 35, 47, 37, 56, 26, 35, 35, 52, 52 __________________________________________________________________________ Construct a 95% confidence interval for the ...
  7. Pharmacy Math

    35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ____
  8. Pharmacy Math

    35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ____
  9. math

    what is the next number in the pattern: 3,4,6,9,13,18,24,____ ?
  10. math

    What is the next number in the sequence 7, 16, 32, 57, ____?
  11. math

    2. Over 75% of the revenue received by the federal government is from ____ and ____ taxes. a. sales and income b. income and excise c. Social Security and estate d. estate and sales e. income and Social Security
  12. Chemistry

    In a .57 M solution of HOC6H5, .0684% of the acid has been dissociated. a) find the concentrations of all aqueous species in the solution at equilibrium b) find the pH of the solution c) What concentration of HBr would produce a solution with the same pH as a .57M solution of ...
  13. Intermediate Algebra

    One leg of a right triangle has a length of 5 m. The other sides have lengths that are consecutive integers. Find these lengths. The other leg is ____ m The length of the hypotenuse is ____ m Is my answer correct? The other leg is 12 m The hypotenuse is 13 m
  14. Chemistry

    The free energy profile as the reaction goes from reactants to products is a straight diagonal line from 50 kj/mol to 80 kj/mol. Is the reaction exothermic or endothermic? Does the reaction involve only pure solids and liquids? Is the equilibrium constant greater than, equal ...
  15. Spanish

    Please check my answers. Cambie las oraciones de la voz activa a la voz pasiva. Ponga atención al contexto para determinar si el verbo debe ser pasado, presente o futuro. Voz activa: El oficial verificará mi pasaporte. Voz pasiva: Mi pasaporte ____(a)____ ____(b)____ por el ...
  16. Chemistry(Please check answer)

    The equilibrium constant for the reaction, H2(g) + I2(g) == 2 HI(g) is 54.9 at 699.0 K (Kelvin). What is the equilibrium constant for 4 HI(g) == 2 H2(g) + 2 I2(g) under the same conditions? Note: the == indicates the equilibrium double arrow Since the second equation is ...
  17. chem

    We can treat the equilibrium constant as the ratio of the forward rate constant, kfwd, with respect to the reverse rate constant, krev. That is: Keq = kfwd / krev. Which statement is true? a) kfwd > krev b) kfwd < krev The answer is A but how would you explain why that ...
  18. chemistry

    An enzymatic hydrolysis of fructose was allowed to proceed to equilibrium at 25 degrees C. The original concentration of fructose-1-p was .2 M, but when the system had reached equlibrium the concentration of fructose 1-p was only 6.52 * 10 -5 M. Calculate the equilibrium ...
  19. Chemistry

    An enzymatic hydrolysis of fructose was allowed to proceed to equilibrium at 25 degrees C. The original concentration of fructose-1-p was .2 M, but when the system had reached equlibrium the concentration of fructose 1-p was only 6.52 * 10 -5 M. Calculate the equilibrium ...
  20. Chemistry

    The initial concentration for the compounds involved in the reaction shown were determined to be [ClF(g)] = 0.5789 mol/L, [F2(g)] = 0.5980 mol/L, [Cl2(g)] = 0.05037 mol/L. Calculate the value of the equilibrium constant (Kc) at 2500 K if the equilibrium concentration of F2(g) ...
  21. Chemistry

    With an equilibrium constant of k=1.3 if NaOH and MgCL2 are added in stoichiometric ratio and 1.2 mol of NaOH are present at equilibrium, how much precipitate is produced (in moles)?
  22. Math

    Ito is training to run a 10 kilometer race in five months. His current pace is 6.25 minutes per kilometer. He wants to constantly increase his speed each month until he is running a 5.5 minute kilometer. Ito needs to increase his pace by ____ each month. Complete the equation ...
  23. math

    Ito is training to run a 10 kilometer race in five months. His current pace is 6.25 minutes per kilometer. He wants to constantly increase his speed each month until he is running a 5.5 minute kilometer. Ito needs to increase his pace by ____ each month. Complete the equation ...
  24. Chemistry

    For the reaction, 2SO2(g) + O2(g) ¨ 2SO3(g) + heat, at equilibrium, what will be the effect on the net amount of SO3 present if the temperature of the container is increased? A) The concentration of SO3 decreases. B) The concentration of SO3 increases. C) The concentration ...
  25. Chemistry

    Ka for a weak acid HA = 3.46x10^-8, calculate K for the reaction of HA with OH- HA + OH- = A- + H2O This is an equilibrium question, but I do not understand how to find the equilibrium constant K, from the equilibrium constant of an acid, Ka
  26. AP Calculus

    Approximating the integral from 0 to 6 of (e^x dx) by 3 circumscribed rectangles of equal width on the x-axis yields ____. a) 2e^2 + 4e^4 + 6e^6 b) 2(e^2 + e^4 + e^6) c) 2(e + e^3 + e^5) d) e + 3e^3 + 5e^5 e) e^2 + 3e^4 + 5e^6
  27. General Chemisty

    4. The initial concentration for the compounds involved in the reaction shown were determined to be [ClF(g)] = 0.5789 mol/L, [F2(g)] = 0.5980 mol/L, [Cl2(g)] = 0.05037 mol/L. Calculate the value of the equilibrium constant (Kc) at 2500 K if the equilibrium concentration of F2(...
  28. Chemistry

    Hi Please help Initial [Fe3+] = 0.00050 M Initial [SCN-] = 0.0010 M Equilibrium [Fe(SCN)2+] = 5.7 x 10-5 Find [Fe3+]E and [SCN-]E (in mol/L) Find K. Balanced equation is: Fe3+ + SCN- -> Fe(SCN)2+ (reversible) I know I can get K if I have the equilibrium concentrations, but ...
  29. science~Ms. Sue

    A ____ is a substance that cannot be separated into similar substances by physical or mechanical methods such as filtering, boiling, or sifting. (I have to again write the answer)
  30. English

    grit, meteoric, and parody is left The rock singer enjoyed a sudden ____ rise in popularity but his career faded just as quickly as it had blossomed meteoric Even though so many people were criticizing and ridiculing him he had the ____ to continue doing what he felt was right...
  31. Spanish Level 1

    Manana, ____ , voy de compras muy temprano con mi tia y mi hermano menor de 12 anos. A mi hermano mayor, Ernesto, no le gusta ir de compras. English: Tomorrow, ____, I'm going shopping very early with my aunt and my younger brother of 12 years old. What would fill in the blank...
  32. Chemistry

    The initial concentration for the compounds involved in the reaction shown were determine to be [CO]=1.80, [CL2]=9.70; [Cl2CO]=0. Calculate the value of the equilibrium constant (Kc) at 527C, if the equilibrium concentration of CO was 1.05E-3. CO(g) + CL2(g) <--> Cl2CO(g...
  33. english

    Shortly before the Russian Revolution, an eccentric man named Rasputin became ______as the "mad monk." Because he dressed like a peasant, drank heavily, and rarely bathed, the nobility often felt ____during their encounters” with him at the palace. Yet despite his outward ...
  34. Chemistry

    The equilibrium constant is 16 for the gas phase reaction SO2 + NO2 <--> SO3 + NO at a certain temperature. If 3.0 moles each of SO2 and NO2 are placed together in an empty 1.0 liter flask and the system is allowed to come to equilibrium at this temperature, what will be...
  35. chemistry

    Hey Guys so I have this problem with ICE tables that is extremely confusing for me so I would love some help on it! At a Certain Temperature, the equilibrium constant for the reaction of NO with Cl2 is 6250. If the initial concentration of NOCl is 1.0M and that of NO 0.10M ...
  36. chemistry

    What information does an equilibrium constant give about a reaction? A. It tells how long it takes the reaction to reach equilibrium. B. It tells how much energy is required for the reaction to happen. C. It tells what the rate constant of the reaction is at equilibrium. D. It...
  37. science

    What information does an equilibrium constant give about a reaction? A. It tells how long it takes the reaction to reach equilibrium. B. It tells how much energy is required for the reaction to happen. C. It tells what the rate constant of the reaction is at equilibrium. D. It...
  38. math

    what is the missing number in the following sequence: 37,41,43,____ ,53,59,61
  39. MATH

    Guess what the next number in this sequence is: 16, 5, 14, 7, 21, 9, ____
  40. Math

    Find the missing number in each sequence. 5, ____ , 10, 12 1/2 A) 7 B) 7 1/2 C) 8 D) 8 1/2
  41. College Algebra

    The hydrogen ion concentration of a substance is related to its acidity and basicity. Because hydrogen ion concentrations vary over a very wide range, logarithms are used to create a compressed pH scale, which is defined by pH=-log(H+)where (H+)is the hydrogen ion ...
  42. Dr. BOB chemistry help please!

    hi At a particular temperature, K = 1.00 102 for the following reaction. H2(g) + I2(g)= 2 HI(g) In an experiment, 1.73 mol H2, 1.73 mol I2, and 1.73 mol HI are introduced into a 1.00 L container. Calculate the concentrations of all species when equilibrium is reached. H2 okay ...
  43. chemistry

    for the reaction A + B C the concentrations of AB, and C are 0.2M, 0.4M and0.)M respectively at 0 minutes. After 30 minutes the concentrations of A and B drop to ).080mM and 0.280M respectively, while the concentration of C rises to 0.120M. Calculate the rate of this reaction.
  44. chemistry

    Determine the expression for the equilibrium constant for this equilibrium reaction: 2NO(g) + 2CO(g) (arrows)(in equilibrium with) N2(g) + 2CO2(g) PLease help anyone i really apreciate it Beccy
  45. chemistry

    Calculate Ke for the following(equilibrium concentrations given below substances) NH4SH(g) yields NH3(g) + H2S(g) + heat [.027] [.0234] [.209] Thank you!
  46. chem

    0.020 mol of each SO2 and O2 and So3 is placed in a 1.0 L flask and allowed to come to equilibrium. The equilibrium of [SO2] is found to be 0.0080M. What is the value of keq for the reaction: 2SO2+O2<----> 2SO3
  47. Calculus :)

    If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded quaterly ____ Find the amount in ...
  48. chemestry

    For the following reaction, 5.70 grams of hydrogen gas are mixed with excess nitrogen gas. The reaction yields 22.6 grams of ammonia. (1) What is the theoretical yield of ammonia ? ____ grams (2) What is the percent yield for this reaction ? ____ %
  49. Chemistry

    I have a question about buffers. Part A So it starts with 20ml 0.1 sodium acetate and 25ml 0.1 acetic acid. Calculate ph of buffer is 4.74 because the acid and conjugate base have the same molarity correct? So the Ph is just pKa (1.8e-5)? Part B So the next part is add 5ml of ...
  50. equilibrium

    The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.510. If a trial's absorbance is measured to be 0.250 and its initial concentration of SCN– was 0.00050 M, the equilibrium concentration of ...
  51. English

    Word box: alias amble burly distort dogged dumbfounded extinct fossil grit inevitable ingrained meteoric parody prevail rend replenish rummage skimp sleuth vandalism 2.We were nothing less than ____ when we saw the immense damage that the hurricane had some in so brief a time ...
  52. chemistry - 3.1.6

    At a high temperature, the equilibrium constant for the decomposition of hydrogen iodide is 65.0. If the initial concentration of HI is 1.60 M, what is the concentration of hydrogen at equilibrium? 2Hl(g) H2(g) + I2(g) A. 1.42 M B. 0.753 M C. 0.240 M D. 0.802 M I'm actually ...
  53. Chemistry

    Calculate the concentrations of Cd+2 , Cd(CN)4^-2 and CN at equilibrium when dissolvs 0.42 moles of Cd(NO3)2 (2.50 mol/L) Kf for Cd(NO3)2 = 7,1x10^16.
  54. Chemistry

    SO2(g) + NO2(g) SO3(g) + NO (g) At a given temperature, analysis of an equilibrium mixture found [SO2] = 4.00 M, [NO2] = 0.500 M, [SO3] = 3.00 M, and [NO] = 2.00 M. (a) What is the new equilibrium concentration of NO when 1.50 moles of NO2 are added to the equilibrium mixture...
  55. math

    Enter the sum of numbers as a product of their GCF. 27 + 36 The sum of the numbers as a product of their GCF is ____ * (____ +_____).
  56. Math

    Enter the sum of numbers as a product of their GCF. 27 + 36 The sum of the numbers as a product of their GCF is ____ * (____ +_____).
  57. Chem

    The initial concentration for the compounds involved in the reaction displayed were determined to be [NO2(g)] = 1.243 mol/L, [N2O4(g)] = 0.2578 mol/L. Calculate the value of the equilibrium constant (Kc) at 500.0 K if the equilibrium concentration of NO2(g) was 0.7629 mol/L. ...
  58. Chemistry

    Calculate the concentrations of Cd ⁺ ², [Cd (CN)₄-²] and CN at equilibrium when they dissolve mole of 0.42 Cd (in the ₃)²⁺ 2.50 M. Given: Kf = 7, 1 x 10 ^16
  59. Chemstry

    For the reaction A(g) + B(g) <==> C(g) + D(g) the equilibrium constant K is defined as K = Y(sub y) * Y(sub D) / (Y (sub A) * Y(sub b)) where y is the molar fraction of the gas phase of a species At 620.00 K, the equilibrium constant is 1.100. Suppose the feed to a ...
  60. Chemistry

    When 25.302 is divided by 56.743, the answer should be reported to ____ significant digit(s). The result of the division, 25.302 / 56.743, reported to the correct number of significant digits is _______ When 56.743 is subtracted from 25.302, the result should be reported with ...
  61. Science, please help!!

    I only have two questions, thank you! One difference between a point mutation and a chromosomal mutation is that ____ A. A point mutation affects the DNA of more genes than a chromosomal mutation B. A point mutation can involve a insertion or deletion, but cannot result in a ...
  62. chemistry

    If 0.50 mol of iodine and 0.50 mols of chlorine are initially placed into a 2.00-L reaction vessel at 25 Degrees Celsius, find the concentrations of all entities at equilibrium.
  63. Economics

    Two firms produce the same good and compete against each other in a Cournot market. The market demand for their product is P = 204 - 4Q, and each firm has a constant marginal cost of $12 per unit. MR1 = 204 - 8q1 - 4q2. Let q1 be the output produced by firm i, where i = 1,2. 1...
  64. chemistry

    1. When the energy released by the formation of solute-solvent attractions is greater than the energy absorbed by overcoming solute-solute and solvent-solvent attractions, the dissolving process ____. 2. Mixtures are classified according to their ____. 3. A homogeneous mixture...
  65. Math

    The probability of rolling a number less than 4 on a number cube is ____ 1/2?
  66. Chemistry

    I'm having trouble with the following question, any help would be greatly appreciated. A voltaic cell consists of a Zn/Zn^2+ half-cell and a Ni/Ni^2+ half-cell at 25 C . The initial concentrations of Ni^2+ and Zn^2+ are 1.30 M and 0.100 M , respectively. What is the cell ...
  67. English

    5.Like so many other young people he has been ___ into the false belief that there is an easy way to success delude 8.At the time it occured that mistake didn't seem to be too important but it had ____that still hurt me today consequence 11.We must ____ a detailed response ...
  68. Chemistry

    Calculate [Fe^2]+ when the cell reaction reaches equilibrium? A voltaic cell is constructed based on the following reaction and initial concentrations: Fe^2+,( 0.0055 M ) + Ag+,( 2.5 M ) ----> Fe^3+,( 0.0055 M ) + Ag(s) Calculate [Fe^2]+ when the cell reaction reaches ...
  69. Chemistry 2

    If 2.0 mol of NO and 1.0 mol Cl2 are placed into a 1.0L flask, calculate the equilibrium concentrations of all species
  70. Calculus please help

    I have 3 calc problems that i have not been able to do please help me... i've been on here yesterday as well but no one was able to assist me with these particular ones... 1. If f(x)=5x^3–2/x-4 find f'(x)____ what i got was (4x^2+7x-12)/x^8 2. The position function of a ...
  71. science

    1. Scientists hypothesize that the sun formed ____. (1 point) less than a billion years ago from a cloud of gas and dust less than a million years ago from a chunk of Jupiter 2. Two of the inner planets are ____. (1 point) Venus and Saturn Mars and Venus Earth and Pluto ...
  72. English

    Word bank: acute bluster bungle commentary duration eerie facet fidelity fray headstrong inhabitant numb pacify ravenous refute remorse setback smug synopsis tarry Since the convicted felon had shown no ____ for his crimes the judge sentenced him to the maximum prison term ...
  73. Chemestry

    The compound iron (II) chloride trihydrate has ____ mole(s) of water for every ____ mole(s) of ionic compound. three, two two, three three, one one, three
  74. Chemistry

    At 25 °C, an aqueous solution has an equilibrium concentration of 0.00147 M for a generic cation, A (aq), and 0.000735 M for a generic anion, B2–(aq). What is the equilibrium constant, Ksp, of the generic salt A2B(s)?
  75. English

    I would like to know if this grammatically correct. When there is change in reactant, product, and temperature the equilibrium position will shift in a direction that tends to decrease that change in situations. When the concentration of one of the products of an equilibrium ...
  76. Calc

    lim as x --> infinity of (x^2-16)/(x-4) is 8 By graphing, find an interval for near zero such that the difference between your conjectured limit and the value of the function is less than 0.01. In other words, find a window of height 0.02 such that the graph exits the sides...
  77. Biology

    1. In females the first meiotic cell division produces____cells. 2. One of the cells is ___ than the other and is called ______. 3. The polar body stays attached to the ____. 4. The larger cell is called the _____ and it mature into _____. 5. The second meiotic cell division ...
  78. Chemistry

    Okay, I feel like this question should be really easy because it's a multiple choice question but how do you figure it out?? I'm completely drawing a blank. Consider the following equilibrium N2O4(g) <-> 2NO2(g) Kc = 4.8E-3 Which set of concentrations represents ...
  79. Spanish Homework

    Usa la forma presente de ESTAR con el participio pasado del verbo entre paréntesis para completar cada oración.  1 La maleta ya ___(1)___ ___(2)___. (ABRIR) La maleta ya está abierta. 2 ¿ ___(1)___ ___(2)___ todos estos regalos? (DECLARAR) Están declarados todos estos ...
  80. math

    The body mass index, I, can be used to determine an individual risk for heart disease. An index less than 25 indicates a low risk. The body massis given by the formula, or model, I=700 W W=weight H=hight in inches H2 Jerome is 69 inches tall. What weight will keep his body ...
  81. chemistry

    at 327 degrees C, the equilibrium concentrations are [CH3OH]=0.15M, [CO]=0.24M, and [H2]=1.1M for the reaction: CH3OH(g)<-->CO(g)+2H2(g) Calculate Kp at this temperature
  82. physics

    A ball is thrown straight upward and returns to the thrower's hand after 2.75 s in the air. A second ball thrown at an angle of 34.0° with the horizontal reaches the same maximum height as the first ball. (a) At what speed was the first ball thrown? ____ m/s (b) At what speed...
  83. Chemistry

    Using the concentration of CH3COOH (0.8326M) and the equilibrium concentration of H3O+ (3.2x10-3), complete the reaction table for vinegar. Then calculate the acidity constant. Reaction table is given Ch3COOH + H2O --CH3COO- + H3O+ Initial. Change equilibrium
  84. Physical Chemistry

    A 100 amino acid folded protein (F) is in equilibrium with it’s unfolded (U) (or denatured) form. Let ΔrH(std) =+347 kJ mol-1 and ΔrS(std) =-1010 J K-1 mol-1 for the equilibrium (F U) at 25℃. (a) Calculate the concentration of protein in each form if the ...
  85. Spanish

    Sra. are these three correct? I have a short assignment this week. Thank you! Conteste las preguntas utilizando el pluscuamperfecto de indicativo según el modelo. Use el mismo verbo que se usa en la pregunta. Modelo: ¿Por qué no nos ha dicho la verdad ella? Ya nos la había...
  86. chemistry

    A 0.10-mol sample of H2(g) and a 0.10-mol sample of Br2(g) are placed in a 2.0-L container. The reaction H2(g) + Br2(g) <----> 2 HBr(g) is then allowed to come to equilibrium. A 0.20 mol sample of HBr is placed into a second 2.0-L sealed container at the same temperature...
  87. Spanish 1

    These were tricky for me: 25. Fernando Y Estaban _____ deportes. a. practicar b. practicas c. practican d. practicáis D? 26. Linda ____ estudiamos en casa a. y Alberto b. y tú c. y Ud d. y yo A? 27. -"¿_____estudias?" -"En casa." a. Cómo b. dónde c. Quién d. Qué B? 28. ...
  88. Physics

    A comet with a mass of 7.95 1011 kg strikes Earth at a speed of 22 km/s. (a) Find the kinetic energy of the comet in joules. ____ J (b) Compare the work that is done by Earth in stopping the comet to the 4.2 1015 J of energy that was released by the largest nuclear weapon ever...
  89. Mat 116

    In 1990, the life expectancy of males in a certain country was 64.7 years. In 1994, it was 68.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1990. The linear function E(t) that fits the data is E(t)= ___t + ____ (round to ...
  90. Chemistry

    K=1.6x10^-5 mol/L for the following reaction 2NOCl(g).... 2 NO(g) + Cl2(g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures E) 2.4 mol of NOCl, 2.4 mol of NO, and 1.2 mol Cl2 in a 1.0 L flask F)1.9 mol/L concentration of ...
  91. chemistry

    what is the equilibrium concentration of acetate ion if the equilibrium concentration of acetic acid is .40 M, the pH is 3.85, and Ka is 1.8E-05?
  92. math

    7, -28, 112, -448, 1792,____ from the pattern what is the next number?
  93. chemistry

    I would also like to see Nathaniels work solved:P I have a similar question If 1.00 mol each of carbon dioxide and hydrogen is initially injected into a 10.0-L reaction chamber at 986 degrees Celsius, what would be the concentrations of each entity at equilibrium? CO2(g) + H2(...
  94. chemistry

    consider the following equilibrium. 4NH3(g) +3O2(g)<-> 2N2(g) + 6H2O(g) suppose 0.30mol of NH3 and 0.40mol of oxygen are added to a 5.0L container. If x mol of water is present at equilibrium, what is the equilibrium concentration of oxygen?
  95. Chemistry 2

    Supposed you stoppered the flasks after your titration to determine the equilibrium constant and kept the solutions for another day so that the equilibrium was re-established. What would happen to the amount of ethanol present? What would be the relationship of the original ...
  96. Math word problems

    A restaurant manager wants to purchase 200 sets of dishes. One design costs ​$15 per​ set, while another costs ​$45 per set. If she wants to use her entire budget of ​$5700​, how many of each design should be​ ordered? ____ for $15 set ____ ...
  97. CHEMISTRY

    An equilibrium mixture of the following reaction was found to have = 0.0325 at 1200 degrees C. What is the concentration of I? I2(g)<->2I (g) Keq=1.3×10−2 at 1200
  98. chemistry

    Ok, so using Le Chatelier's Principle If you add heat to an exothermic reaction, the equilibrium will shift to the left. If you remove heat to an exothermic reaction, the equilibrium will shift to the right. What is it for an ENDOTHERMIC reaction? If you add a substance, the ...
  99. Math

    The functional determinant of x, e^x, and e^-x is equal to___ The orthogonal trajectory of y^2 - x^2 = C is__ The slope of the normal line to y^2 = x/2 at P(1/8,1/4) is ____ help please...
  100. Psych

    The areas of the hemisphere involved in speech and language tend to be large in ____. The areas of the parietal lobe involved in visuospacial processing tend to be larger in ____ a) women, women b) men, men c) men, women d) women, men
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