1. Chemistry :(

    Titanium (Ti) can be produced by the reaction of metallic sodium (Na) with titanium tetrachloride vapor (TiCl4). The byproduct of this reaction is sodium chloride (NaCl). Calculate the amount of titanium produced (in kg) when a reactor is charged with 94.0 kg of TiCl4 and 21.0...
  2. Chemistry

    the reaction is CO + SO3 <=> CO2 + SO2, the rate law for this reaction is rate=k[SO3] and the mechanism is SO3 -> SO2 + O CO + O -> CO2 Which is the slow step? I have to find catalysts and intermediates and is O both catalyst and intermediate? If it isn't, what is it?
  3. science - chemistry pH problems

    Here is the hint I received on how to solve those tough pH problems I posted earlier: Both of these can be solved using the H-H and doing the algebra. The math itself is hard to type out, but in Q1 the values of [NaA] and [HA] are 0.04805 and 0.15195. In Q2 you will have to ...
  4. Algebra 2

    I am trying to factor a 4th degree polynomial that does not have any rational roots. I need to somehow get it factored into two quadratics. Anyone know of a method to use. 3x^4 - 8x^3 - 5x^2 + 16x - 5 Two of the irrational roots are 1.135.. and 0.382.. but that won't help you ...
  5. chem

    If a reaction rate increases with temperature, how will the rate constant of the reaction change with temperature? A. The rate constant only changes upon addition of a catalyst to the reaction. B. The rate constant will decrease with temperature. C. The rate constant will not ...
  6. science

    If a reaction rate increases with temperature, how will the rate constant of the reaction change with temperature? A. The rate constant only changes upon addition of a catalyst to the reaction. B. The rate constant will decrease with temperature. C. The rate constant will not ...
  7. chem

    1) If more reactant is added to a gaseous reaction at equilibrium, what will happen to the value of the equilibrium constant? a. it will increase b. it will decrease c. it will remain the same d. it can either increase or decrease 2) Which of the following describes a property...
  8. science

    answer this question: suppose you have two igneous rocks containing mostly light colored minerals. one has large mineral gains. the other has small grains. classify and identify the two rocks. which rock took a longer time to form? how do you know? which took longer to form? ...
  9. biology

    People with a lactose intolerance are able to take products such as Lactaid that contain the lactase enzyme with their meals. These products can be taken in pill form. Considering the fact that the pill form of the enzyme would have to travel through the person's stomach, what...
  10. Chemistry

    Which would react faster with MeI in aqueous solution: OH- or Et3N? I know that the reaction in aqueous solution would be an Sn1 reaction and so steric hindrance wouldn't have such a great effect. I am not sure which is a better nucleophile out of OH- and Et3N. OH- is charged...
  11. Chemistry

    Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.5g . 1.) What minimum mass of H2SO4 would you need? 2.)What mass of H2 gas would be ...
  12. math

    A 24-inch piece of string is cut into two pieces. One piece is used to form a circle and the other is used to form a square. How should the string be cut so that the sum of the areas is a minimum?
  13. Chem

    using the properties of sodium cyanide , deduce the type of bonding that holds this compound together, explaining how you arrived at your conclusions. write a balances equation for the reaction that occurs when sodium cyanide dissolves in water. Any help please. OK, consider ...
  14. chemistry

    testing bronsted lowry reaction predictions...... im super stuck can someone help me steo by step how to figure this out assuming i use the 5 step process? write a balanced chemical equation for ch3coona and hcl reaction position of equilibrium. I know that ch3coo is a SB and ...
  15. Chemistry --really need help!

    I am really struggling with these problems!! A reaction mixture that consisted of 0.20 mol N2 and 0.20 mol H2 was introduced into a 25.0 L reactor and heated. At equilibrium, 5.0% of the nitrogen gas has reacted. What is the value of the equilibrium constant Kc for the ...
  16. Chemistry

    If the initial concentration of NH3(g) is 4.643 mol/L, calculate the % of NH3(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kc at 773.0 K is 16.70. The initial concentration of the reaction products is 0 mol/L. 2NH3(g) = ...
  17. business

    Is the LLC form of business the best legal form of business owenership in todays business world?
  18. math

    the ratio of girls to boys in the fifth form is 5;4 there are 144 pupils in the fifth form. how many are girls and how many are boys?
  19. Algebra Slope Intercept Form

    Write an equation in slope intercept form for each table x -2, 0, 2, 4 y 12, 6 0, -6
  20. Quadratic to vertex form

    How do i convert quadratic functions from standard to vertex form? y=2x^2+12x+14 y=x^2+x+1
  21. Reading/Oral & Written

    What is the differants between: verbs that are in base form and verbs that are not in base form
  22. English

    What are you woried about? 1. I'm worried about my looks. 2. I'm worried about my appearances. ============== Do we have to use the plural form or singular form for 'looks' and 'appearances'?
  23. chemistry

    Oh my my test is coming up and I have no idea how to do these questions and when I asked my teacher for help he said you should do it yourself.... Thanks! An intermediate step in the production of battery acid, sulfuric acid, invoves the information of sulfur trioxide gas from...
  24. ap chemisrty

    Kp for the following reaction is 0.16 at 25°C. 2 NOBr(g) 2 NO(g) + Br2(g) The enthalpy change for the reaction at standard conditions is +16.3 kJ. Predict the effect of the following changes on the position of the equilibrium; that is, state which way the equilibrium will ...
  25. chemistry

    Suppose 100 moles of a chemical is spilled into a lake. After 15.0 days, the total amount of the chemical in the lake 3.50 moles. Assuming that the reaction followed first order kinetics and no chemical was lost due to advection or volatilization, then what is the rate ...
  26. Chemistry

    The net reaction for fusion on a star like our Sun is: 4H(1,1) ==> He(4,2) + 2e(0,+1) Calculate the mass defect for this reaction. If one atom of He is formed this way, calculate the energy released. If one Kg of He is formed, calculate the energy released. The masses of ...
  27. chemistry

    The reaction between potassium metal and chlorine gas is described by the following thermochemical equation K(s) + ½C_l2(g) = KCl(s) ÄH =–437 kJ mol–1 What will be the enthalpy change (to 2 significant figures) for the reaction when 6.0 g of potassium metal reacts with ...
  28. chemistry

    J. J. Berzelius collected the following data for three reactions: Reaction 1 – 11.56 grams of lead sulfide, PbS, were formed when 10.0 grams of lead reacted with 1.56 grams of sulfur Reaction 2 – 11.56 grams of lead sulfide were formed when 10.0 grams of lead reacted with ...
  29. Chem

    I have 4 questions, I got the answer for three of them and just want you to check and see if they are right and i do not know the answer to the fourth one. 1)4HCl(g)+O2(g)<=>2H2O(g)+2Cl2(g)+114.4 kJ Which side of the reaction will be favoured by an decrease in pressure...
  30. S103 - Discovering Science

    Is anyone Studying S103-Discovering Science. On TMA 6 blocks 7-8, having a little trouble can anyone Help Rather than using abbreviations, could you give us more details about your problem? This would help us to help you. I hope this helps a little. Thanks for asking. a) ...
  31. chemistry

    serotonin is formed by 2 steps. first is the decarboxylation of tryptophan to form tyrptamine,second is the hydroxylation of typtamine to form 5-hydroxytyrptamine which is serotonin. can you help me illustrate these reactions? This reference has a figure showing one of the ...
  32. chemistry

    2C3H6(g) + 2NH3(g) + 3O2(g) -> 2C3H3N(g) + 6H2O(g) A 150.0 liter steel reactor at 25 ºC is filled with the following partial pressures of reactants: 0.500 MPa C3H6, 0.800 MPa ammonia, and 1.500 MPa oxygen gas. If the reaction proceeds to 90% yield, and no side reactions ...
  33. chemistry

    Aspirin, C 9 H 8 O 4 , slowly decomposes at room temperature by reacting with water in the atmosphere to produce acetic acid, HC 2 H 3 O 2 , and 2-hydro x ybenzoic acid, C 7 H 6 O 3 (this is why old bottles of aspirinoften smell like vinegar):C 9 H 8 O 4 + H 2 O p HC 2 H 3 O 2...
  34. Chemistry

    Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG∘ for this reaction at each of the following temperatures. (Assume that ΔH∘ and ΔS∘ do not change too much within the given temperature range.) A) 310K and is it ...
  35. Chemistry

    Which of the following statements is true if HI is formed in the following reaction? H2(g) + I2(g) → 2HI(g) a. There are no collisions between the reactants in the reaction b. All of the collisions between reactants have enough energy to overcome the activation energy. ...
  36. Chemistry

    Which of the following statements is true if HI is formed in the following reaction? H2(g) + I2(g) → 2HI(g) a.There are no collisions between the reactants in the reaction. b. All of the collisions between reactants have enough energy to overcome the activation energy. c....
  37. chem

    Given the concentrations, calculate the equilibrium constant for this reaction: I2(g) + Cl2(g)---> 2ICl(g) At equilibrium, the molar concentrations for reactants and products are found to be I2 = 0.50M, Cl2 = 0.60M, and ICl = 5.0M. What is the equilibrium constant (Kc) for ...
  38. college chemistry

    a) Is the reaction shown below spontaneous under standard conditions at 25⁰C? CH3OH (g) ----> CO (g) + 2H2 (g) b) Will this reaction be spontaneous at 25⁰C given the following amounts of materials? CH3OH at 1.20 atm CO at 0.080 atm H2 at 0.020 atm
  39. chemistry

    In the net ionic equation for the neutraliza- tion reaction between hydrofluoric acid (HF) and sodium hydroxide (NaOH), the HF is rep- resented as 1. the molecule, HF. 2. neither the molecule nor the separated ions since it is a spectator in the reaction. 3. the ...
  40. chemistry--last time i promise

    CO(g) + H2O(g)-->CO2 + H2 (g) reaction occurs in a 2.0 Ll reactor at 800 degrees celsius. The reaction conditions are such that a complete conversion of reactants into products results. The reactor is charged initially with 5.0 atm of CO and 8.0 atm of water vapor. ...
  41. Science

    which of the following is an example of a chemical change? A)Iron changes when heated B)Gas bubbles form in boiling water C) Balls of wax form when melted wax is poured into ice water. D)A gas forms when vinegar and baking soda are mixed My Choice D
  42. chemistry

    for the reaction: 4NH3+5O2=4NO+6H2O; 15.0g of NH3 and 27.5g of O2 were reacted. a). which is the limiting reactant? b).how many moles of NO are formed from the limiting reactant in the above reaction. i know how to do the moles but i couldn't figure out which one is the ...
  43. Ap Chemistry

    Hi, I was wondering if you could possibly help me with this chem question. For the relatively slow decomposition of NOCL into NO and Cl2 according to the reaction below, it is known that the reaction is second order w/ respect to NOCl and that after 23.4 minutes that 75% of ...
  44. chem

    Sulfuric acid can dissolve aluminum metal according to the following reaction. 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 26.8 g . 1.What minimum amount of H2SO4 in grams would you need? 2.How many grams of H2 gas ...
  45. AP Chem

    Complete and balance each of the following molecular equations, including phase labels, if a reaction occurs. Then write the net ionic equation. If no reaction occurs, write NR after the arrow. H2CO3(aq)+Sr(OH)2(aq) -> this is what I put but I think its wrong H2CO3(aq)+Sr(...
  46. Chemistry

    Heating an ore of antimony (Sb2S3) in the presence of iron yields antimony and iron (II) sulfide. Sb2S3 + 3 Fe = 2Sb + 3 FeS When 15g of Sb2S3 reacts with 10g of Fe in the lab 9.84g of Sb is produced. What is the limiting reactant in this reaction? What is the theorectical ...
  47. Chemistry

    When 0.655 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 107C 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 significant figures. Do not ...
  48. Chemistry Lab

    When 0.671 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 109C 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 significant figures. Do not ...
  49. Chemistry

    When 0.702 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 114C 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 significant figures. Do not ...
  50. Philosophy

    How does the human form and body distinguish human nature from that of other animals? How is this revealed in human eating, in the form of taste and omnivorousness? How does human omnivorousness imply that the human is possibly the best and the worst animal?
  51. physics

    A meterstick is held vertically above your hand, with the lower end between your thumb and first finger. On seeing the meter stick released, you grab it with those two fingers. You can calculate your reaction time from the distance the meterstick falls, read directly from the ...
  52. Chemistry

    A calorimeter contains 22.0 mL of water at 14.0 C. When 2.50 g of X (a substance with a molar mass of 66.0 g/mol) is added, it dissolves via the reaction X(s)+H_2O(l)--------> X(aq) and the temperature of the solution increases to 25.5 C. Calculate the enthalpy change, ...
  53. chemistry

    In an adiabatic calorimetry experiment, 100 mL of 0.500 M HCl was added to 100 mL 0.500 M NaOH to produce 200 mL 0.25 M NaCl. A temperature increase of 3.38 °C was measured. Calculate the heat of reaction associated with this process at 25 °C from the data in Table 1, for ...
  54. chemistry

    In a coffee cup calorimeter, 50 mL of 0.1 M HCl and 50 mL of 0.1 M NaOH are mixed to yield the following reaction: HCl + NaOH  NaCl + H2O. The two solutions were initially at 22.1 oC and the final temperature is 24.2 oC. Calculate the heat that accompanies this ...
  55. Chemistry

    The Solvay process for the manufacture of sodium carbonate begins by passing ammonia and carbon dioxide through a solution of sodium chloride to make sodium bicarbonate and ammonium chloride. The equation for this reaction is H2O + NaCl + NH3 + CO2 ¨ NH4Cl + NaHCO3. In the ...
  56. AP Chemistry

    I need alot of help on this problem, it is due WEDNESDAY and I have no clue how to do it Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it ...
  57. math

    I have a few question so I will number them off. Please answer them for me I have a test tommorow and I am sure this can help other people too. 1.How do you make an equation that passes through a y-intercept and a certain point in slope-intercept form. 2.How do you find the ...
  58. chemistry

    I have to calculate the ΔV= final volume-initial volume For the first trial the final volume was .005mL the initial volume was .03mL, which equaled to -.025mL. The volume was negative because it was exothermic reaction. For the second trial the final volume was 0.015 and ...
  59. chemistry

    I have to calculate the ΔV= final volume-initial volume For the first trial the final volume was .005mL the initial volume was .03mL, which equaled to -.025mL. The volume was negative because it was exothermic reaction. For the second trial the final volume was 0.015 and ...
  60. chemistry

    Given this data in a study on how the rate of a reaction was affected by the concentration of the reactants Initial Rate, RUN #(A, M) (B, M) (C, M) (mol L-1 s-1 1 0.200 0.100 0.600 5.00 2 0.200 0.400 0.400 80.0 3 0.600 0.100 0.200 15.0 4 0.200 0.100 0.200 5.00 5 0.200 0.200 0....
  61. Mathematics - Trigonometric

    An electric motor turns at 2400 revolutions per minute or 2400 r/m. Find the angular velocity, in radians per second, in exact form and in approximate form, to the nearest hundredth. -------- This is what I've done so far and I don't know what to do next ... 2400 r/m divided ...
  62. chemistry

    Choose the correct integrated rate law for each reaction order.? Choose the correct integrated rate law for each reaction order. Reaction Order Answer zero ____ first _____ second _____ a. l/[A]t = kt + l[A]0 b. log[A]t = kt +log[A]0 c. ln[A]t = �kt + ln[A]0 d. [A]t...
  63. math

    what is 13 3/20 in decimal form? or how do you writw 13 3/20 in decimal form?
  64. factored form

    9m^2-18m+9 how to put in factored form?
  65. Fractions in simplest form

    how do I find the simplest form of 2/3 + 2/9 ?
  66. polar form precalculus

    y=x convert to polar form
  67. Chem.

    Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to form isopentyl acetate (C7H14O2), a fragrant substance with the odor of bananas. CH3COOH + C5H12O -> C7H14O2 + H2O If the yield for the reaction is 45%, how many grams of the product are formed when 3.58 g of ...
  68. Integrated Math 1

    Consider y=x^2+8x+16. What is the correct way to factor this equation? How does this equation shift the graph of y=x^2? A. the correct factored form is y=(x+4)^2. this shifts the graph of y=x^2 up 4 units. B. the correct factored form is y=(x+4)^2. this shifts the graph of y=x...
  69. Biology 20 please help

    State 2 molecules that get reduced and 2 that get oxidized during photosynthesis.  ---------------------------------- I know that NADPH and Glucose are in their reduced form.  2 molecules that get reduced. Will it be NADP+ because it is gaining 2 electrons and H+ to form ...
  70. Chemistry

    in a cylinder that was 9.0 mm in diameter and 215 mm in length. I want to know the temperature (in Kelvin) and pressure (in atm) within this tube after combustion assuming that the cork did not “shoot” out of the end, i.e., the pressure was contained within the tube after ...
  71. chemistry calculations

    At some temperature,the reaction PCl3(g) +Cl2(g) ====PCl5(g) is at equilibrium when the concentration of PCl3, Cl2, and PCl5 are 10, 9.0, and 12mol/L, respectively. Calculate the value of Kc for this reaction at that temperature.
  72. chemistry calculations

    At some temperature, the reaction PCl3(g)+Cl2(g)====PCl5(g) is at equilibrium when the concentration of PCl3, Cl2, and PCl5 are 10, 9.0, and 12 mol/L, respectively. Calculate the value of Kc for this reaction at that temperature.
  73. Chemistry

    1. If you became confused and did not know whether a flask contains an aqueous layer or an organic layer, how would you find out which it is? 2. Write a balanced reaction for the reaction of Aspirin is precipitated from the basic aqueous solution by the addition of HCl. 3. ...
  74. chemistry

    The rate constant, k, for each reaction order is equal to _____ from the linear plot. Reaction Order Answer zero:___ first: ___ second: ___ a. slope (m) b. y-intercept c. x-intercept d. negative of the slope (-m) e. 0
  75. chemistry

    when magnesium and hydrochloric acid reacted, (rate of reaction), what would you have to do to express the average reaction rate in terms of mass of magnesium consumed per second and in terms of moles of magnesium reacted per second..thnks..
  76. Chemistry

    What is the order of the reaction for the following reaction and for each reagent given? A + 2B + C --> productions Experiment / A / B / C / rate 1 / 0.002 / 0.15 / 0.132 / 0.0057 2 / 0.002 / 0.25 / 0.132 / 0.0158 3 / 0.003 / 0.15 / 0.132 / 0.0114 4 / 0.003 / 0.15 / 0.264...
  77. chemistry

    CO2(g) + H2(g) equilibrium reaction arrow CO(g) + H2O(g) Calculate the equilibrium concentration of each compound if 2.00 moles of CO2 and 2.40 moles of H2 are placed in a 3.90 liter container at 300°C. Kc = 2.30 for the reaction at this temperature. [CO2] = M [H2] = M [CO...
  78. Chemistry

    Dinitrogen pentoxide, N2O5, decomposes by a first-order reaction. What is the initial rate of decomposition of N2O5 when 3.6 g of N2O5 is confined in a 0.77 L container and heated to 65°C? For this reaction, k = 5.2 x 10^-3 s-1 in the rate law (for the rate of decomposition ...
  79. science

    the distance a car travels between the time the driver decides to stop the car and the time the driver puts on his brake is called the reaction distance how does the reaction distance change with speed
  80. Algebra

    I don't know how to put this in standard form: f(x)=x^2-2x-15 I tried (x^2-2x+-x^2)-25-x^2, but x^2 doesn't factor into anything so I can't fully put it into standard form. can you show me how, plus how to find the x intercepts and y intercepts?
  81. English

    1. Complete the sentences by using the words in the parenthesis. 2. Complete the sentences by using the words in the parentheses. --------------------------- Which one is right? Do we have to use the singular form or the plural form at the end of each sentence?
  82. Math

    Mac's farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? A: 6/9 B: 18/27 C: 2/3 D: 3/2 I say the answer is b because 18/27 is the numbers and it is simplest form.
  83. maths

    A piece of wire when bent in the form of square encloses an area of 484cm sq.now if the same wire is bent in the form of circle area enclosed by it would be
  84. Math

    Find the slope intercept form of the line with the following properties. Slope=4 containing the points (-2,-5) I know that slope intercept form is y=mx+b so the m is the slope which is 4 but now I get confused since they give me x any y values (-2,-5). Is it just y which is -5...
  85. Math

    Find the slope intercept form of the line with the following properties. Slope=4 containing the points (-2,-5) I know that slope intercept form is y=mx+b so the m is the slope which is 4 but now I get confused since they give me x any y values (-2,-5). Is it just y which is -5...
  86. Math

    How do I put this equation in slope intercept form? 2. 2x + 3y = 6 Slope intercept form is y = mx + b Subtract 2x from both sides and then divide both sides by 3. I hope this helps. Thanks for asking.
  87. Math

    Label picked up 105 pieces of trash on Beach Cleanup day day.what did she write to show the 0 in 105 using expanded form? The fence around a triangular flower bed is 10 feet long on all sides. What type of triangle does the fence form?
  88. statistics

    The professor teaching a large introductory class gives a final exam that has alternate forms, A, B, and C. A student taking the exam using Form B is upset because she claims that Form B is much harder than Forms A and C. Discuss how percentile point data might be useful to ...
  89. Informal Logic

    rite two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. (If your computer does not have all the symbols needed, use some other symbol you ...
  90. Pre-calculus

    I am having difficulty with two problems: 1) Evaluate (1+i)^12 by using DeMoivre's Theorem. Express the result in rectangular form. So far I have: r=sqrt(1)^2+(1)^2 which simplified is sqrt2. Don't know how to proceed. 2) Write the polar equation theta = 45 degrees in ...
  91. calculus

    A rancher has 1000 feet of fencing with which to enclose two adjacent rectangular corrals with a interior partition (consider as one pen). Use calculus to determine what the external dimensions of the pen that will maximize the enclosed area. Write your answer in the form ...
  92. Solid Mechanics

    A round bar 40 mm dia meter is subjected to an axial pull of 80 kn and reduction in diameter was found to be 0.00775mm.find poisson's ratio and young's modules for the material of the bar. take value of shear modules as 40kn/mm square. [Please Solve it describtively in long ...
  93. Chemistry

    How would you solve this problem? C4H8(g)--> 2C2H4 Determine the order of the reaction and the rate constant based on the following pressures, which were recorded when the reaction was carried out 430 C in a constant volume vessel. Time (s) P(C4H8)(mmHg) 0 400 2,000 316 4,...
  94. Chemistry

    Calculate the molar enthalpy of reaction per mole of carbon in the following reaction: 3 C(s) + 2 Fe2O3(s) + 466 kJ c12-u3_files/i0210000.jpg 4 Fe(s) + 3 CO2(g) a. +466 kJ/mol C b. +155 kJ/mol C c. +117 kJ/mol C d. –466 kJ/mol C e. –155 kJ/mol C
  95. Chemistry

    Calcium carbide, CaC2, can be produced in an electric furnace by strongly heating calcium oxide (lime) with carbon. The unbalanced equation is CaO(s) + C(s) ¨ CaC2(s) + CO(g) Calcium carbide is useful because it reacts readily with water to form the flammable gas acetylene...
  96. Algebra..

    HELP. Problems 4 - 7: Write an equation for the line in point/slope form and slope/intercept form that has the given condition. 4. Slope = 3/2 and passes through the origin. 5. x-intercept = 4 and y-intercept = -3
  97. Chemistry (DrBob222)

    Hi, here's my (almost) 2-paged lab report introduction (hopefully you remember it from yesterday). I went to class today, and actually a lot of my other classmates' introductions were over 2 pages! Now I'm feeling kind of insecure about mine, and I'm not even sure if 2 pages ...
  98. Chem

    Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 3.30 g of sodium carbonate is mixed with one containing 3.00 g of silver nitrate. How many grams of each of the following compounds are...
  99. Chemistry - please help

    1. Write the balanced chemical equation for the single displacement reaction of magnesium and sodium thiosulfate. Is this right? 6Mg + (S*2*O*3)*2 -> 6MgO + 2S*2 2. Write the balanced chemical equation for the double displacement reaction of hydrogen sulphide and potassium ...
  100. Chemistry - Chemical Kinetics

    1) if the concentrations of trace constituients of the atmosphere are expressed in molecules/cm3 , what would be the units of reaction rate???? i think the ans is molecules/cm3 per seconds since the usual units of reaction rate is mol per dm3 per seconds.....am i correct?
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