1. Chem 101

    In a fission reaction, uranium-235 bombarded with a neutron produces strontium-94, another small nucleus, and 3 neutrons. Write the nuclear equation for this reaction.
  2. chemistry

    Calculate the value of the equilibrium constant, Kp , for the following reaction at 298.0 Kelvin. (Use the reaction free energy given below.) 2SO3 = 2SO2 + O2 in the gaseous state ΔG = 140.0 kJ/mol
  3. chemistry

    1.) At what temperature will the rate constant for the reaction H2 + I2 to 2HI have the value 5.2×10−3 M^{-1}s^{-1}? (Assume k=5.4 *10^{-4}M}{-1)s}^{-1} at 599 K and k=2.8 * 10^{-2}M}^{-1}s}^{-1} at 683 K.) 2.)For the first-order reaction N2O5 to 2NO2 + 1/2O2 t_{1/2}=22...
  4. chem need assistance

    Write a balanced chemical reaction to show the reaction between ammonium and a chlorite? Is this correct? 2NH3 + CLO2 + H2O ⇒ NH4Cl + NH2O2
  5. chemistry

    '24.6 mL of 0.488 M NaCl is added to 24.6 mL of 0.312 M AgNO3. How many moles of AgCl would precipitate? What would be the concentrations of each of the ions in the reaction mixture after the reaction? Ion Concentration (M) Ag+ M NO3- M Na+ M Cl- M'
  6. Chemistry

    in a particular redox reaction, MnO2 is oxidized to MnO4– and fe3+ is reduced to fe2+. Complete and balance the equation for this reaction in acidic solution. Phases are optional.
  7. CHEM

    1.) At what temperature will the rate constant for the reaction H2 + I2 to 2HI have the value 5.2×10−3 M^{-1}s^{-1}? (Assume k=5.4 *10^{-4}M}{-1)s}^{-1} at 599 K and k=2.8 * 10^{-2}M}^{-1}s}^{-1} at 683 K.) 2.)For the first-order reaction N2O5 to 2NO2 + 1/2O2 t_{1/2}=22...
  8. Chemistry

    In a copper cycle lab if I add HCl to CuO to produce CuCl, what would a word equation for that reaction be? Is it a chemical reaction? and also for that step what complexes are observed? what does that mean?
  9. Chemistry

    If the decomposition reaction of 1.4 M initial hydrogen peroxide (H2O2) occurs so that after 3 minutes, 0.83 M is left, what is the rate of the reaction? a. -0.019 M/s b. -0.012 M/s c. 0.0046 M/s d. 0.0032 M/s Please help! Thanks in advance.
  10. chemistry

    What chemical reaction is responsible for the endpoint observed when the NH3/NH4Cl buffer solution is titrated with HCl? Write a blanced ionic equation for the reaction.
  11. Organic Chem 2

    Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a gas is evolved). This is for benzocaine experiment
  12. Chemistry

    In a copper cycle lab if I add HCl to CuO to produce CuCl, what would a word equation for that reaction be? Is it a chemical reaction? and also for that step what complexes are observed? what does that mean?
  13. chemistry

    the frequency factor and activation energy for a chemical reaction ate A=4.8 x 10^-12cm^3 and Ea=11.1kJ/mol at 327 K respectively. Determine the rate constant for this reaction at 327K
  14. chemistry

    Calculate the value of the equilibrium constant, Kp , for the following reaction at 298.0 Kelvin. (Use the reaction free energy given below.) 2SO3 = 2SO2 + O2 in the gaseous state ΔG = 140.0 kJ/mol
  15. chemistry

    Determine whether a reaction will take place in the following and write a complete balanced equation: You must include phase labels. Use NR for no reaction. 1.) Ca(OH)2 (aq) + Al(NO3)3 (aq) → 2.) Cu(C2H3O2)2 (aq) + Na2SO4 (aq) → 3.) H2SO4 (aq) + KOH (aq) →
  16. Chemistry

    I need to work out a mechanism for the synthesis of 2-cyclohexylpropanal. I am not sure what the reaction is to make this or what reagents to start from. I thought that maybe it could be an aldol reaction starting from cyclohexanone and propanal but I'm not sure if this will ...
  17. chem class

    The data in the table below were obtained for the reaction: A + B → P 3 Experiments 1 (A) (M): 0.273 (B) (M): 0.763 Initial Rate (M/s): 2.83 2 (A) (M): 0.273 (B) (M): 1.526 Initial Rate (M/s): 2.83 3 (A) (M): 0.819 (B) (M): 0.763 Initial Rate (M/s): 25.47 1) The order of...
  18. Chemistry

    Chemistry HELP - Rates of reaction, redox reactions? 10 points? An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH-(aq) > C4H9OH(l) + Br-(aq) ...
  19. chemistry

    What is the coefficient of oxygen in the following equation for the reaction of potassium (K) with oxygen (O2) to form potassium oxide (K2O? __ K + ___ O2 -> ___ K2O is it 4, 3, 2, or 1?
  20. Chem 101

    Consider the reaction of 82.0 g of oxygen as follows: 4Fe + 3O2 2Fe2O3 How many moles of oxygen react? How many moles of iron must react? How many moles of product form? What mass of product forms?
  21. math

    Can an equation be considered standard form if it has more than 3 terms for example is this considered standard form? 21x^3+6x^2-43x+20 also can standard form contain fractions? for example 2x+3+[11/(x-3)]
  22. Science

    A metal from group 1 and a nonmemtal from group 17 are A.not likely to bond B. Likely to form a covalent bond C. Likely to form a ionic bond** D. Likely to form a metalloid I think it's c am I right?
  23. math

    i don't understand standard form math and i have to questions what is nine hundredths in standard form and sixteen and six tenths in standard form?
  24. chemistry

    What is the standard entropy of reaction, the standard entropy of reaction, in J/K, for the combustion reaction of ethylene described in the previous questions? The temperature is 298.15K. (Enter your answer as a signed number in scientific notation without units.) My answers ...
  25. Math

    Three linear equations are given below. The first is in slope intercept form, the 2nd is in point-slope form and the 3rd is in standard form. Each equation has a slope. What is the sum of the three slopes. 1.y = -2x + 5 2.y + 7 = 6(x − 3) 3.4x − y = 9 1 is -2 2 is ...
  26. Chemistry

    ClO- + I- → IO- + Cl- 1) What are the names of these ions? is it "The hypochlorite ion reacts with iodide ion to form iodate ion with chloride ion" ? 2) Write the general rate law (using the letters k for the rate constant, and n and m for the reaction orders). - Is it "...
  27. chemistry

    consider the following balanced chemical reaction: 2 Col3+3 K2S-> Co2S3+6 Kl assuming all that can react will react, how many grams of cobalt (III) sulfate will form when 1318.89 grams of cobalt (III) iodide are combined with 551.35 grams of potassium sulfide?
  28. Chemistry

    The heat evolved in the reaction of hydrobromic acid with potassium hydroxide was determined using a coffee coup calorimeter. The equation for the reaction is: HBr(aq) + KOH(aq) -------------> KBr(aq) + H2O(l) When 25.0 mL of 1.00 M HBr at a temperature of 24.5oC was ...
  29. linear algebra

    Which of the given subsets of R3 are subspaces? (a) The set of all vectors of the form [a;b;0] b)The set of all vectors of the form [a;b;c] where a > 0. c) The set of all vectors of the form [a;c;c] d) The set of all vectors of the form [a;b;c] where 2a − b + c = 5.
  30. linear algebra

    Which of the given subsets of R3 are subspaces? (a) The set of all vectors of the form [a;b;0] b)The set of all vectors of the form [a;b;c] where a > 0. c) The set of all vectors of the form [a;c;c] d) The set of all vectors of the form [a;b;c] where 2a − b + c = 5. ...
  31. 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 the start of the ...
  32. Chemistry( HELP PLEASE, IM DESPERATE!!!)

    For the reaction 2CH3OH + 3O2 → 2CO2+ 4H2O, what is the maximum amount of CO2 which could be formed from 13.97 g of CH3OH and 5.45 g of O2? Consider the reaction H3PO4 + 3NaOH → Na3PO4 + 3H2O. How much Na3PO4 can be prepared by the reaction of 3.43 g of H3PO4 with ...
  33. Chemistry

    In 20 s, the concentration of NO2 decreases from 450 mM to 320 mM in the reaction 2 NO2 --> 2 NO + O2 (a) Determine the rate of reaction of NO2 (b) Determine the rate of formation of O2 (c) What is the unique rate of the reaction?
  34. chemistry

    A certain reaction has a delta H= -75 kJ and an activation energy of 40 kJ. A catalyst is found that lowers the Activation energy of the forward reaction by 15 kJ. What is the activation energy of the reverse reaction in the presence of this same catalyst?
  35. Chemistry

    I need to calculate the mass of CO2 produced in the reaction of NaHCO3 + HCl Data Mass of NaHCO3 = .05g Mass of system before reaction 117.9 g Mass of system after reaction 117l98 Maxium pressure 1.4094 initial pressure 1.0094 pressure change .4 temp 299.2K
  36. Chemistry

    In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i beleive the minimum ...
  37. Chemistry

    In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i beleive the minimum ...
  38. Chemistry

    In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i beleive the minimum ...
  39. chemistry

    In a certain experiment, the rate constant, k, was measured as a function of the temperature, T.  Two data points were as follows: (A) 25°C, 1.1 x 10–5 min–1, and (B) 225°C, 2.4 x 10-2 min–1. The student who performed the experiment then plotted the logarithmic form...
  40. chemistry

    Aluminum metal reacts with oxygen gas (O2) to form aluminum oxide. a. Write a balanced equation for this oxidation-reduction reaction. (In this problem you need not worry about the physical state of the reactants or product.) 2Al+3O2=2Al2O3 b. which reactant is oxidized? O2 c...
  41. chemistry

    I did an experiment where i put iron nail with zinc metal wrapped around it in agar solution. the solution turned pink. I have to find the anode: anode reaction: cathode (remember, a metal can be an inactive electrode): cathode reaction (there aren’t any metal ions present, ...
  42. biology

    The only thing my biology teacher told us about the NADP (in photosynthesis light dependent reaction) is that it's a bus driver. Why is it a bus driver? Is it cos it collects the H+ ion into the light independent reaction (NADPH) then "drops" it off and returns back to the ...
  43. Chemistry

    I had to perform an experiment for rate of reaction. I have to calculate the concentration of Na2S2O3 in the reaction solutions based on the volume used in each reaction flask and the total volume calculated. There were five flasks used and for all 5 of them 2.50mL of Na2S2O3 ...
  44. Science- Chemistry Ap

    2SO3(g) -> 2SO2(g) + O2(g) Delta H = 197kj For this reaction shown above, describe the changes that will occur to the number of moles of SO3 under the following conditions: (a) Additional oxygen is added to the reaction vessel. (b) The pressure in the reaction vessel is ...
  45. chemistry

    Use the reaction below to determine the volume of 0.123 M AgNO3(aq)that is needed to form 0.657 g of Ag2SO4 (s). 2AgNO3(aq) + H2SO4(aq) ¨ Ag2SO4 (s) + 2HNO3(l) 2AgNO3 + H2SO4-----Ag2SO4 + 2HNO3
  46. Chemistry

    This is a three part problem I need help in figuring out pleaseI n each of the questions below you are going to determine a different type of balanced equation for the same reaction. Make sure your equations have the lowest whole number coefficients possible. Indicate the ...
  47. Chemistry

    This is a three part problem I need help in figuring out pleaseI n each of the questions below you are going to determine a different type of balanced equation for the same reaction. Make sure your equations have the lowest whole number coefficients possible. Indicate the ...
  48. chemistry

    what are 4 chemical properties of organic compounds?i know there non polar molecules and they tend to e soluble in non polar solvents,,but my homework says i need 2 more and i don't know what else..thanks :) Some organic compounds are non-polar and some are polar. In fact, ...
  49. Chemistry

    Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...
  50. Chemistry

    Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...
  51. Chemistry

    Which of the following is the BEST explanation for why a catalyst speeds up a reaction? A) The catalyst increases the concentration of the products B) The catalyst decreases the total pressure in the container. C) The catalyst raises the temperature of the reaction mixture. D...
  52. Biochm

    The deprotonated form of the R group of cysteine. The ratio of protonated to deprotonated form depends on the pKa of the R group and the pH of the solution. => Select all the pH values at which the protonated form of the R group would predominate. 9.0 8.3 7.0 11.0 3.0 only ...
  53. chemistry

    Hii i was wondering if u cud help me solve this problem..im not sure how to start it. Calculate the delta H for the reaction of solid potassium with liquid water. If a 5.00 g piece of potassium is added to 1.00 kg of water at 24 degrees celsius what is the final temperature of...
  54. Chemistry

    For the reaction described by the chemical equation: 3C2H2(g) -> C6H6(l) .. Delta H rxn = -633.1 kJ/mol a) Calculate the value of Delta S rxn at 25.0 C... b) Calculate Delta G rxn... c) In which direction is the reaction, as written, spontaneous at 25 C and 1 bar pressure...
  55. chemistry

    0.197g of magnesium is burned in air 2Mg + O2 ---> 2MgO However, some of the magnesium reacts with nitrogen in the air to form Magnesium nitride instead : 3Mg + N2 --->Mg3N2 So you have a mixture of MgO and Mg3N2 weighing 0.315g.Determine what percentage of the Mg formed...
  56. Physics

    What is the gibbs free energy for the reaction a)temperature b)800 degrees celsius c)comment on whether the reactions are spontaneous or not (CHEMICAL REACTION) deltaH = -100kJ delta S= -200 J/K
  57. chemistry

    If the breakdown half-life of a pesticide applied to a farmer’s field is 3.50 days, then what is the rate constant for this reaction? Assume the degradation reaction follows first order kinetics. The units are 1/d.
  58. chemistry

    Consider the following reaction: 2H2S (g) + 3O2 (g) --> 2SO2 (g) + 2H2O (g) If O2 was the excess reagent, 1.3 moles of H2S were consumed, and 18.7 g of wat were collected after the reaction has gone to completion, what is the percent yield of the equation?
  59. chemistry

    Complete and balance the chemical equation using compound formulas. Include the states. If there is no reaction, enter NR. Pb(NO3)2(aq) + NaI(aq) → sine Pb is not reactive, the reaction is NR. Am i correct?
  60. chemistry

    the reaction of aluminum metal (Al) with oxygen (O2) forms Al2O3. What is a balanced equation for this redox reaction. What are two half reactions to show how many electrons are gained or lost by each species?
  61. science

    The gas-phase reaction, A2 + B2 --> 2AB, proceeds by bimolecular collisions between A2 and B2 molecules. If the concentrations of both A2 and B2 are doubled, the reaction rate will change by a factor of.....? Will you please explain instead of just giving me an answer. thanks
  62. Science

    Use the following equation: CO(g) + 2H2 (g)= CH3OH(g) delta H = -21.7 kcal Which direction will the reaction proceed after some of the methanol vapor is condensed and removed from the reaction vessel? please help im getting so confused on the directions of the reactions
  63. chemisty

    At 450oC, the equilibrium constant Kc for the Haber-Bosch synthesis of ammonia is 0.16 for the reaction writeten as 3H2(g) + N2 (g)--><--2NH3(g) calculate the value of Kc for the same reaction written as 3/2H2(g) + 1/2N2(g)-->--<NH3(g)
  64. Chemistry

    consider the following reaction: 2CH3OH(g) yields 2CH4(g) + O2(g) change in enthalpy= 252.8kJ Calculate the amount of heat transferred when 26.0 g of {\rm CH_3OH} (g) is decomposed by this reaction at constant pressure.
  65. Chemistry

    1.00g of oxygen combine with 0.126 g of hydrogen to form H2O. 1.00 g of nitrogen combie with 0.216 g of hydrogen to form ammonia. Predict the weight of oxygen required to combine with 1.00 g nitrogen to form an oxide.i m a student
  66. Chemistry

    I have no idea how to do this problems can somebody help me: 1.How many mL of and oxygen gas can be produced form the termal decmpositon of 0.340 g of hydrogen peroxide at 700°C and 755 mm Hg? 401 mL 803 mL 1200 mL 1610 mL 2.How many mL of oxygen gas at 25.0°C and 755 mm Hg ...
  67. Chemistry

    How do I do these? 1. Balance the equation for the reaction between zinc and hydrochloric acid. Zn + HCl ZnCl2 + H2 2. Balance the equation for the reaction between iron (steel wool) and oxygen (water). Fe + O2 Fe2O3 3. Balance the equation for the reaction of hydrogen ...
  68. chem

    Gaseous iodine pentafluoride, IF5, can be prepared by the reaction of solid iodine and gaseous fluorine: • I2 (s) + 5F2 (g) → 2IF5 (g). • A 5.00 L flask is filled with 10.0 g I2 and excess F2 with the reaction proceeds to completion completely consumed. After the ...
  69. Chemistry

    I mixed 5ml H202 with 5ml KI with 5ml H2SO4 wit Na2So2O3 with 50ml. Now I am trying to figure out all the elementary steps for this reaction. A starch was added in this mixture to measure the reaction time with the thiosulfate and the I2. I was just wonder if anyone could give...
  70. Biochemistry

    The kinetic parameters of the reaction of lactate to pyruvate can be measured by following the formation of NADH from NAD+. It can also be measured in the reverse direction, however, at high concentrations of NADH the reaction cannot be monitored at 340 nm? Why is this? I'm a ...
  71. chemistry

    A total of 2.00 \rm mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 115 g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7 ^\circ \rm C. What is the enthalpy of this reaction? Assume that...
  72. Chemistry

    The formation of tetrafluoroethylene from its elements is highly exothermic: 2F2(g) + 2C(s) <-> F2C=C2F(g) b) Rare bacteria from the planet Teflon eat C2F4 and make Teflon for their cell walls. Will the reaction go to the right or left if these bacteria are added? Right ...
  73. chemistry

    For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial concentration, change in concentration, and equilibrium ...
  74. chemistry

    For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial concentration, change in concentration, and equilibrium ...
  75. chem

    How does a gas differ from a liquid with respect to the following property: Ability to mix with other substances of the same phase to form homogeneous mixtures Gases form homogeneous mixtures with each other regardless of the identities or relative proportions of the component...
  76. Chemistry

    1.00g of oxygen combine with 0.126 g of hydrogen to form H2O. 1.00 g of nitrogen combie with 0.216 g of hydrogen to form ammonia. Predict the weight of oxygen required to combine with 1.00 g nitrogen to form an oxide.
  77. Math

    An observational study is described. Determine the nature and scope of the conclusion the study can reach. In a group of 500 women, those who smoked moderately did worse on tests of reaction time than those who did not smoke. A) Smoking moderately causes women to do worse on ...
  78. Chemistry 130

    Will someone help me by letting me know if I did these correct, or if there the correct answers? Thanks! 2 (10). If two moles of hydrogen gas (H2) react in the following equation, how many moles of H2O will be formed? 2H2 + O2 „³ 2H2O a. 2 moles b. 4 moles c. 1 mole d. 8 ...
  79. Math

    How would you write the following exponential form to logarithmic form: 4^y= (1/64) My answer is: log4(1/64)=y. Am I corret?
  80. 4th grade

    can you show me how to wrught numbers in:standard form expanded form
  81. math

    How do I add whole numbers to fractions. To get the number from an extended form to a standard form?
  82. math

    write each decimal in expanded form, in word form and as a fraction. 4.1967
  83. math

    how many numbers from 1 to 200 have an expanded form that is identical to a standard form? What are they? can you help me understand it?
  84. French

    Using the imparfait tense, I am trying to form "was born." Would it be "néait" (in the il/elle/on form)? It doesn't look right to me..
  85. Pre-Calculus

    Have I converted correctly from standard form to vertex form? y = -3x^2 + 12x+1 = y = -3(x-2)^2 -13 Thanks
  86. Chemistry

    Help required- Urea, CO(NH2)2, is the excreted form of excess nitrogen in most vertebrates. In urinary infections, urease, released by microbial pathogens, degrades urea into CO2 and ammonia in the bladder. a) write a balanced equation of the reaction, b) write equations for ...
  87. system analysis and designs

    what is form . explain form design methodlogy?
  88. Math

    What is the standard form and expanded form of Five Thousand One Hundred Fifty Three?
  89. Math

    Express the following equation 6x-8y=8(x-9)+12 in: 1. Slope intercept form 2. Standard form
  90. biology

    During mitosis, when does cleavage form? Does it form near the end of telophase or near the beginning?
  91. algebra

    is 2x=7 a. Standard Form b. Slope Intercept form c.not a linear equation
  92. algebra

    How do you chance an equation from standard form to slope-intercept form?
  93. Calculus

    F(x) = 1-x and g(x) = 1/x Write in the form (ax + b)/(cx + d) a.What are all the possible values of a, b, c, and d? b.Find all the functions fo the form f (x) = (ax + b)/(cx + d) with the property that f o f^-1 = x
  94. geography

    How do we convert number scales from their fraction form to ratio form
  95. mathematics

    How do we convert number scales from their fraction form to ratio form
  96. Chemistry - Science (Dr. Bob222)

    Use the following information to answer this question: Cu+(aq) + e- → Cu(s) E° = 0.521V Cu2+ (aq) + e- → Cu+ (aq) E° = 0.153 V. Given these half cell reactions, an aqueous solution of Cu+ ion in the absence of O2(g) : A. will be thermodynamically stable B. will ...
  97. chemistry

    A proposed mechanism for a reaction is: (i) A + B2 AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) is the rate...
  98. CHEMISTRY HELPPPP!!!!!!!!!

    Consider the decomposition of NH3 (g). 2 NH3 (g) → N2 (g) + 3 H2 (g) The reaction is catalyzed on a surface of either tungsten or osmium. The activation energies for the catalyzed and uncatalyzed reactions are given below. W Ea = 163 kJ/mol Os Ea = 197 kJ/mol No catalyst...
  99. chemistry

    A total of 2.00mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 185g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7C . What is the enthalpy of this reaction? Assume that no heat is lost ...
  100. chemistry please help

    The reaction between hydrogen and chlorine gases gives hydrogen chloride gas in the following reaction: H2(g) + Cl2(g) = 2HCl(g) It is found experimentally that 1 mole of H2 gas reacts with 1 mole of Cl2 gas at constant temperature and pressure, to release 184 kJ of heat. What...
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