1. Philosophy

    For the following arguments, a) Translate into standard form (if not already in standard form), b) symbolize to simplify, and then c) determine whether the syllogisms are valid or invalid, explaining why by reference to rules, AND by showing the

    asked by Anne on December 13, 2006
  2. Philosophy

    For the following arguments, a) Translate into standard form (if not already in standard form), b) symbolize to simplify, and then c) determine whether the syllogisms are valid or invalid, explaining why by reference to rules, AND by showing the

    asked by Anne on December 12, 2006
  3. Chem

    I want to see if i got my answer correct for #1 but I need help on #2 1.A 150g aluminum pan containing 500g of water is heated on a stove for 5 minutes. The temperature goes from 23.5C to 48.9C. How much heat was absorbed. (s for Al is .900j/g C, s for H2O

    asked by Ashley on March 8, 2011
  4. Chemistry

    I want to see if i got my answer correct for #1 but I need help on #2 1.A 150g aluminum pan containing 500g of water is heated on a stove for 5 minutes. The temperature goes from 23.5C to 48.9C. How much heat was absorbed. (s for Al is .900j/g C, s for H2O

    asked by Ashley on March 8, 2011
  5. chemistry

    What is the hydrocarbon that will not form an additional polymer A compound which is not a hydrocarbon but will form an additional polymer

    asked by Victoria on February 4, 2015
  6. English

    Posted by rfvv on Monday, October 4, 2010 at 2:24am. 1. Cut long rice cake into 4-5 cm pieces. (How do you read '4-5 cm'?) 1-1. four to five centimeter 1-2. four and five centimeter 1-3 four or five centimeter 1-4 from four to five centimeter (Which one is

    asked by rfvv on October 4, 2010
  7. Chemistry

    2KMnO4(aq)+16HCl(aq)->2MnCl2(aq)+5Cl2(g)+8H2O(l)+2KCl(aq) A.)the volume of 0.414 M KMnO4 needed to produce 1.66 mol MnCl2 B.) the volume of 2.15 M HCl needed to produce 112 mL of 0.618 M KCl C.)the molarity (M) of the HCl solution when 26.42 mL react with

    asked by Anonymous on December 10, 2010
  8. french

    What is the correct form of lequel to replace the follow noun: le balcon - Lesquels - Lequel - Lesquelles - Laquelle What is the correct form of lequel to replace the follow noun:le magasin - Lesquelles - Lesquels - Lequel - Laquelle What is the correct

    asked by Mya on March 9, 2015
  9. Chemistry

    Balance the reaction of plumbate ions and hydrochlorite ions: Pb(OH)42-(aq) + ClO-(aq) → PbO2(s) + Cl- I put: Pb(OH)3-(aq) + ClO-(aq) → PbO2(s) + Cl-(aq) + H2O(l) + OH-(aq) It said: The reaction described in your answer is not balanced. One or more of

    asked by Sara on June 21, 2013
  10. Chem

    Ammonium bromide is a crystalline solid that decomposes endothermically when heated. The reaction is NH4Br(s) NH3(g) + HBr(g). When solid ammonium bromide is added to an evacuated flask at 300°C, which change in reaction conditions below will cause the

    asked by Marisol on February 11, 2007
  11. plz help trig!!!!!

    A boat sails 20 km in a direction of N75°E. Draw the 20 km travelled in a direction of N75°E as a vector v in standard position. Find the component form of the vector v. Round your answers to the nearest hundredth. 2 pts. B. Next, the boat turns and

    asked by ashley on March 6, 2016
  12. Pre-Calculus

    I posted earlier and didn't get an answer so I'm posting again-hoping someone could please check these two-I think they're correct Please check my answer: I think it's correct? 1.Find polar form of (-3,2) r=sqrt of (-3)^2 + 2^2)=sqrt (13) = 3.61

    asked by Courtney on October 13, 2011
  13. the most dangerous game by richard connell reading

    i did all the question except for these 3 characterization chart w/ 5 textually supported inferences specific to protagonist and 5 textually supported inferences specific to the antagonist. static/flat character with text support of intended stereotype

    asked by Reina B. on December 5, 2013
  14. chemistry

    Ca + Br2 --> CaBr2 its synthesis and the reason the reaction happens is stable electron configuration but i don't understand why. Responses chemistry - DrBob222, Wednesday, January 21, 2009 at 10:06pm Synthesis because it's two elements combining to form a

    asked by lyne on January 21, 2009
  15. 6th grade science

    What causes the clouds to form on the windward side of the mountain? This is my answer I have from what I have read!! The air cooling causes the clouds to form on the windward side of the mountain. When wind strikes the side of the mountain air is forced

    asked by Reed on September 17, 2010
  16. Government USA-Help

    According to survey data, a. Americans prefer money as the primary form of welfare assistance. b. most Americans believe that welfare recipients could get along without assistance if they tried. c. Americans prefer government jobs through government

    asked by HM on October 10, 2011
  17. Chemistry

    I am stuck on b)... Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the

    asked by Sanaya on January 25, 2016
  18. Chemistry

    a redox reaction is a reaction in which 1.only reduction occurs 2.only oxidation occurs 3.reduction&oxidation occur at the same time 4.reduction occurs first and then oxidation occurs i think its 3 or 4.

    asked by Alexis on March 20, 2011
  19. Chem

    1) Mg + F2 = MgF2 10.00 grams of magnesium reacted with fluorine to produce MgF2 Find : a) Balance the reaction b) How many grams of fluorine reacted with magnesium. Answer:____________ c) How many grams of MgF2 were formed in the reaction.

    asked by Malina on December 2, 2012
  20. chemistry

    Asprin, C9H8O4, is prepared by reacting salicylic acid, C7H6O3, with acetic anhydride, C4H6O3, in the reaction C7H6O3(s) + C4H6O3(l) -> C9H8O4(s) + C2H4O2(l) A student is told to prepare 45.0 g of aspirin. She is also told to use a 55.0% excess of the

    asked by Chris on October 18, 2006
  21. English

    1. My hobby is chatting in a chat room. 2. My hobby is chatting in chat rooms. ------------------------------ Which one is the better of the two? Do we have to use a singuglar form or a plural form? 3. My favorite food is noodle. 4. My favorite food is

    asked by rfvv on April 12, 2017
  22. Algebra

    1.Write an equation in point-slope form for the line through the given point with the given slope. (-10,-6);m=-5/8 A.y-6=-5/8(x-10) B.y-6=-5/8 (x+10)*** C.y+6=-5/8(x+10) D.y+10=-5/8(x+6) 2.The table shows the height of a plant as it grows. Which equation

    asked by GummyBears on December 4, 2015
  23. Algebra

    Solving the equation of the word problem presented in the Video, Example 54, Using slope–intercept form for graphing, which is located in the media section of Chapter 3, involves which two steps? (Points : 1) Plot the x–intercept and then use the slope

    asked by Christopher on December 12, 2015
  24. Chemistry

    Which of the following would involve the largest production of heat per mole? a)the burning of gasoline b)the evaporation of water c)the fission of uranium d)the freezing of water e)the rusting of iron Is it C) Which of the following would involve the

    asked by Christian on July 23, 2010
  25. 7th grade science Ms. Sue please help if you can

    1. Violent storms generally form along _____. (1 point) occluded fronts cold fronts warm fronts stationary fronts 2. Areas of low pressure usually have _____. (1 point) cloudy weather good weather descending air none of the above 5. Tornadoes can form when

    asked by Delilah on September 28, 2012
  26. MATH

    13. write the ratio as a fraction in simplest form. 30:48 A.1/6 B.5/8 C.30/48 D.8/5 14. Write the ratio as a fraction in simplest form. 38 to 20 A. 38/20 B.1/9 C.19/10 D.10/19 15. write the ratio as a fraction in simplest form. 6 out of 9 A.1/3 B.3/2 C.2/3

    asked by Urgent on November 2, 2016
  27. chemistry

    Okay, so apparently ASA and FeCl3 form a violet complex and FeCl3 forms with phenol groups to make purple. Looking at the structures of ASA and salicylic acid, only salicylic acid has the phenol group. The thing is, salicylic acid is supposed to be an

    asked by Andrea on April 29, 2007
  28. Maths

    Square root of 12 using prime factor form? Square root of 320 using prime factor form? Square root of 36 using prime factor form?

    asked by Chris on March 19, 2012
  29. Chemistry

    Consider the following decomposition reaction of ammonium carbonate ((NH4)2CO3): (NH4)2CO3 (s)  2 NH3 (g) + CO2 (g) + H2O (g) In one experiment at 25.0°C, a sample of pure (NH4)2CO3 is placed in an evacuated 2.00 L vessel. At equilibrium, the total

    asked by Ana on April 4, 2017
  30. Chemistry

    When 0.689 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 11.2C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to

    asked by ChemGeek on May 15, 2011
  31. Spanish

    5. Fill in the blank with the correct form of the verb jugar. yo __________ My Answer: yo juego 6. Fill in the blank with the correct form of the verb jugar. nosotros __________ My Answer: nosotros jugamos 7. Fill in the blank with the correct form of the

    asked by Jack on March 28, 2013
  32. Chem

    A carless chemistry student pours 200 grams of methanol, a flammable substance into the sink. Another careless chemistry student causes the bad situation to get even worse by dropping a lit match into the sink. The metanol burns completely with 300 grams

    asked by Sara on September 6, 2015
  33. CHEMISTRY

    The equilibrium constant for the reaction, SO2(g)+ NO2(g) NO(g)+ SO3(g) has been experimentally determined as a function of temperature. The results are presented in the table below. T (°F) KC 285 662 752 156 842 93.4 932 59.6 1022 40.2 If 0.0791 ft3 SO2,

    asked by Josh on March 24, 2011
  34. Chemistry

    Chemistry equilibrium? Consider the reaction 2NO(g) + O2(g) = 2NO2(g) at 430C an equilibrium mixture consists of 0.020 mole of O2, 0.040 mole of NO, and 0.96 mole of NO2. Calculate Kp for this reaction given that the total pressure is 0.20 atm. I used

    asked by Ashley on October 16, 2010
  35. to kill a mockingbird

    what is the moment where boo radley and miss maudie BRING at reaction from Scout?? i Don't get the questions !!do we have to explain the moment when scout reacts toward to Boo radley and miss maudie? can i answer it like this: the moment where Boo radley

    asked by kim on July 13, 2011
  36. math

    The largest circular shape my pieced of string can form has a diameter 8 cm long. How long is the diameter of the largest circular shape that half my piece of string can form?

    asked by Insimgia on August 12, 2014
  37. Chemistry

    Currently studying for an lab exam. Just have a few question about a typical Iodine Clock reaction lab. In an typical Iodine Clock reaction lab what would be the state of effect of an increase in the initial concentration of persulfate ion and the increase

    asked by Ahmad M on February 17, 2013
  38. chemistry

    The first step of the synthesis is described by the reaction below. When 1.750 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of 1.0 M H2C2O4 , the theoretical yield of FeC2O42H2O is ? grams.. I do not understand why my answer is not correct. How do you find

    asked by Tiffany on June 30, 2007
  39. chemistry

    reaction between CuSo4+NaCl

    asked by robert on November 4, 2008
  40. chemistry

    Provide an example of a spontaneous reaction

    asked by WhatsUp on March 30, 2018
  41. Chemistry

    Is esterification a condensation reaction?

    asked by Anonymous on January 18, 2014
  42. Chemistry

    If Kc = 7.5E-9 at 1000K for the reaction N2(g)+ O2(g)2NO(g), what is Kc at 1000K for the reaction 2NO(g)N2(g)+ O2(g)?

    asked by Deborah on June 24, 2010
  43. Chemistry

    Is photosynthesis a reversible reaction?

    asked by Stoof on September 1, 2015
  44. chemistry

    What is the value of x for the following reaction if E∘=1.43V and ΔG∘ = -276kJ ? A+B^x+→A^x++B

    asked by Anisha on April 15, 2014
  45. Science--Chemistry

    How do you solve the reaction: Li + Mg2+ = ?

    asked by Holly on October 2, 2008
  46. Chemistry

    Is esterification a condensation reaction?

    asked by Anonymous on January 18, 2014
  47. Chemistry

    How do you find a reaction order?

    asked by Student on January 21, 2018
  48. chemistry

    Why reversible reaction never complete

    asked by ali on June 21, 2016
  49. maths

    what is the equllibrium constant of KI + I2 reaction at 35 c?

    asked by tharindu on October 16, 2012
  50. chemistry

    what happens in a condensation polymerization reaction?

    asked by pj on October 14, 2012
  51. Chem

    NaOH (aq) + Zn (solid) reaction

    asked by John on November 12, 2007
  52. life science

    What does Glycolysis reaction need to proceed?

    asked by shelise on November 23, 2008
  53. physical science

    Which of these is the balanced equation for this reaction? A. B. C. D.

    asked by kierra on June 12, 2012
  54. science

    iron and sulphur reaction

    asked by suzy on May 23, 2012
  55. Chemistry

    What is the reaction of dilute HCl with Zn?

    asked by Anamika on February 23, 2016
  56. Chemistry

    What is the equilibrium constant for the following reaction? 3A + 2B 2C

    asked by Astral on April 19, 2017
  57. chemistry

    when will a displacement reaction not occur?

    asked by mike on February 25, 2008
  58. chemistry

    write the reaction for Zn + HCl

    asked by Juanita on March 31, 2011
  59. physics

    What does it mean when they say that action equals reaction?

    asked by elise on February 10, 2012
  60. chemistry

    what type of reaction is Al+S8=Al2S3

    asked by angel on March 14, 2012
  61. Chemistry

    Zn + I2 ---> Zn ^+2 + 2I- will this reaction occur spontaneously?

    asked by Shelly on November 7, 2011
  62. Chemistry

    Is fermentation an irreversible reaction?

    asked by Stoof on September 2, 2015
  63. history: please help for a survey

    what is your reaction on the first and second opium war?

    asked by Mely on September 16, 2011
  64. Chemistry

    If Kc = 0.480 at 40.°C and Kc = 0.630 at 90.°C, what is ΔH° for the reaction? XY

    asked by Andrew on March 10, 2012
  65. science

    what is the reaction between hexane & iodine?

    asked by xyz on May 11, 2010
  66. bmcc

    which of the following is an oxidation reduction reaction ?

    asked by Anonymous on October 18, 2016
  67. chemistry

    A salt is obteind as a reaction between

    asked by Anonymous on November 11, 2011
  68. thermodynamics

    H° = 565 kJ and S° = -11.1 J/K Calculate G° at 25°C for this reaction.

    asked by Anonymous on August 25, 2013
  69. chemistry

    Why is respiration an exothermic reaction?

    asked by josie on June 18, 2014
  70. Science

    Is photosynthesis a endothermic reaction

    asked by Anonymous on December 14, 2015
  71. chem

    combination reaction. mg2+o2

    asked by jerry on November 17, 2012
  72. chemistry

    reaction between Na2a2o3+licro4

    asked by normah on December 26, 2010
  73. chem

    Balance the Following Reaction: Mg(s) + H2O(g)Mg(OH)2(s) + H2(g)

    asked by will.i.am on January 7, 2013
  74. chemistry

    for a given reaction, the activation ener

    asked by Tara on December 15, 2010
  75. Science

    Reaction time.experiment

    asked by Tracry on May 2, 2016
  76. Chemistry

    Balance the redox reaction: Ag(aq)+Cu(s)= Ag(s)+Cu(aq)

    asked by Noelle on October 7, 2013
  77. Chemistry

    38. Identify the type of reaction. A + B --> AB A + BC --> AC + B Thanks -MC

    asked by mysterychicken on October 26, 2010
  78. chemistry

    If you have 13.0g of Na, how many grams of O2 are required for the reaction?

    asked by deven on September 17, 2013
  79. Chemistry

    Which reaction below represents the second ionization of Lr?

    asked by Savannah on November 15, 2016
  80. biology

    What will happen to the reaction without an enzyme?

    asked by Anonymous on September 26, 2009
  81. Chemistry/Science

    Can a reaction order be negative?

    asked by Anonymous on May 19, 2011
  82. chemistry

    What is the equilibrium constant for the following reaction? 3A + 2B 2C

    asked by kayla on August 4, 2008
  83. science

    describe the reaction of photosynthesis.

    asked by chanell on October 10, 2007
  84. Chemistry 12

    Is O2(g) O2(aq) an endothermic/exothermic reaction, and why?

    asked by JM on May 4, 2011
  85. chemistry

    what is the name of reaction for 3C2H2--> C6H6?

    asked by hi on September 22, 2013
  86. GCC

    PREDICT THE REACTION MG(NO3)2(AQ)+NA(S)

    asked by Maria on October 29, 2013
  87. chemistry

    Reaction between H2O2 +2NaOH

    asked by Anup on November 20, 2012
  88. chem

    complete this reaction 2 NaNO3 + ht →

    asked by dan on November 1, 2010
  89. Honors Chemistry

    "How many grams of NH3 can be produced from the reaction of 28 g of N2 and 25 g of H2? N2 + 3H2 ---> 2NH3 ==> 28 g N2 x (1 mol N2/14.0 g N2) x (2 mol NH3/1 mol N2) x ( 17.0 g NH3/ 1 mol NH3) = 68 g NH3 25 g H2 x ( 1mol H2/2.0 g H2) x (2 mol NH3/3 mol H2) x

    asked by Emily on November 8, 2009
  90. Chemistry

    Just some homework. Would like to know if I am right, thanks. 1. Adding salt of a weak acid to a solution of the weak acid: a)lowers the concentration of the nonionized acid and the concentration of the H30+ b)lowers the concentration of the nonionized

    asked by Trish on March 26, 2007
  91. physics

    How do i go about this question? Suppose a car is traveling at 20.0m/s, and the driver sees a traffic light turn red, After 0.530s has elapsed (the reaction time), the driver applies the brakes, and the car accelerates at 7.00m/s2. What is the stopping

    asked by manny on August 16, 2007
  92. Chemistry

    One of the concerns about the use of Freons is that they will migrate to the upper atmosphere, where chlorine atoms can be generated by the following reaction: CCl2F2 --> CF2Cl + Cl Chlorine atoms can act as a catalyst for the destruction of ozone. The

    asked by Jim on October 26, 2010
  93. Chem

    If the initial pressure of HD(g) is 8.913 atm, calculate the % decomposition of HD(g) when the reaction comes to equilibrium according to the balanced equation. The value of Kp at 1000 K is 0.26. The initial pressure of the reaction products is 0 atm.

    asked by May on October 2, 2016
  94. biology

    I have some questions that relate to table 2.1 which lists the chemical elements that occur naturally in the human body. Similar percentages of these elements are found in most living organisms. a. In what abiotic (non-life) chemical forms are these

    asked by muffy on September 10, 2009
  95. science

    Will you please check? Physical or chemical properties 1. bitter taste = physical taste 2. can neutralize a base= physical property 3. boiling point = physical property 4. reacts with a base to form water= physical 5. reacts with acid to form hydrogen =

    asked by Reed on September 12, 2012
  96. science

    In the equation below, suppose 11 grams of Zinc (Zn) react with 12 grams of Hydrogen Chloride (2HCl) to form 16 grams of Zinc Chloride (ZnCl2) and an unknown amount of Hydrogen gas (H2). Zn + 2HCl → ZnCl2 + H2 Based on the Law of Conservation of Mass,

    asked by Luc on November 14, 2016
  97. PRECALCULUS

    convert the polar equation to rectangular form. 1.) r sec(theta) = 3 2.) r = 4 cos(theta) - 4 sin(theta) convert from rectangular equation to polar form. 1.) x^2 + (y-1)^2 = 1 2.) (x-1)^2 + (y+4)^2 = 17

    asked by YOSHI on April 16, 2011
  98. PRECALCULUS HELP PLEASE!

    convert the polar equation to rectangular form. 1.) r sec(theta) = 3 2.) r = 4 cos(theta) - 4 sin(theta) convert from rectangular equation to polar form. 1.) x^2 + (y-1)^2 = 1 2.) (x-1)^2 + (y+4)^2 = 17

    asked by YOSHI on April 16, 2011
  99. Chemistry

    Calculate the ΔHrxn for the following reactions using the heats of formation given in the table at the end of this assignment: a)The complete combustion of methane, CH4, producing water as a liquid. b)The complete combustion of glucose, C6H12O6, producing

    asked by Beth on February 4, 2015
  100. Mathematics

    (in this question they did not give me any diagrams) use pie 22/7 (a) a piece of wire is bent to form a square of area 121cm squared Calculate the length of each side of the square. Calculate the perimeter of the square. (b) the same piece of wire was bent

    asked by INDIANA on June 5, 2012