Tarkan

Most popular questions and responses by Tarkan
  1. physical

    an orienteer runs 300m north and then 400m to the southeast (at a 45 degree angle to north). if he runs at a constant speed, how far away is he from the starting position?

    asked on January 24, 2015
  2. Plzz help me

    the reaction BrO3- + 3SO3 2- ---> has the rate law r= k[BrO3-][SO3 2-]. what is the order of the reaction with the respect to each reactant? wat s the overall order of the reaction?

    asked on November 10, 2011
  3. Chemistry

    Which of the following would you expect to act as bronsted-Lowry bases: Br-, H3PO4, H2O, Li+, NH4+, NH2-. Explain your choices. Thank you

    asked on December 22, 2010
  4. vectors components

    plz answer my question a river is 2 km wide and flows at 4km/h. a motorboat has a speed of 10 km/h in still water and heads out from one bank. a marina is directly across the river, on the opposite bank. if the motorboat heads directly toward the marina,

    asked on March 18, 2012
  5. physics

    an orienteer runs 300m north and then 400m to the southeast (at a 45 degree angle to north). if he runs at a constant speed, how far away is he from the starting position?

    asked on January 24, 2015
  6. Vectors

    a river is 2 km wide and flows at 4km/h. a motorboat has a speed of 10 km/h in still water and heads out from one bank. a marina is directly across the river, on the opposite bank. if the motorboat heads directly toward the marina, how far downstream from

    asked on March 12, 2012
  7. Biology HW HELP

    hey i need help for some of these questions and on pedigree with the help of this story......This is the story of Grandma and Grandpa Flipnob, and their clan! They were married way back in 1933 and have been just like newlyweds ever since. From their

    asked on November 23, 2010
  8. Heeelllppp in chemistry plzzzz

    the reaction BrO3- + 3SO3 2- ---> has the rate law r= k[BrO3-][SO3 2-]. what is the order of the reaction with the respect to each reactant? wat s the overall order of the reaction?

    asked on November 10, 2011
  9. Chemistry

    What will be the pH of an aqueous solution containing 0.040 mol/L sodium hydroxide?? I got 1.40 or 1.398 I rounded the numbers is my answer right??? If not what's the right answer?? I know I wrote the question again, because on the previous answer I did

    asked on December 23, 2010
  10. Calculus

    Fnet= F1+F2+F3, F1=40N with bearing of 90' , F2=25N with bearing of 30' ,and F3= 12N with bearing of 290' what is the magnitude and direction ....using VECTOR COMPONENTS....

    asked on March 12, 2012
  11. Assignment help (chemistry)

    in the reaction, N2O4-->2NO2, if the rate of formation of NO2 were 0.010 mol/L*s,, what would be the rate of decomposition for N2O4 Plz show steps thx

    asked on November 10, 2011
  12. chemistry

    an evil chemist would like to produce 2.4 toones of sulphur dioxide to pollute his city. the chemist know that zinc sulphide and oxygen can react to produce zinc oxide and sulphure dioxide. how much oxygen and zinc will he need to purchase to make his

    asked on November 11, 2010
  13. Calculus

    Fnet= F1+F2+F3, F1=40N with bearing of 90' , F2=25N with bearing of 30' ,and F3= 12N with bearing of 290' what is the magnitude and direction ....using VECTOR COMPONENTS....

    asked on March 12, 2012
  14. Math

    How to write a math story that includes 4 examples... Possible math topics include: introduction to functions investigating quadratics quadratics highs & lows exponential functions fiancial applications of exponential function acute triangle trigonometry

    asked on January 13, 2011
  15. chemistry

    an impure sample of oxalic acid C2O4H2, with a mass of 0.465g, is dissolved in water. a few drops of phenolphthalein indicator solution are added, and the solution is titrated with 0.190 mol/L aqueous sodium hydroxide held in a burette. the solutointurns

    asked on December 24, 2010
  16. english grade 12 Important due on monday

    hey i need help .....how can i start the essay with the introduction ( containing my thesis) about the links between animal behavior and human behavior and i need also give examples from the book "life of Pi" thaks for everyone who help me out!!!!

    asked on November 25, 2010
  17. CHEMISTRY

    WHAT WILL BE THE BALANCE CHEMICAL FORMULA FOR THIS QOUESTION ammonia is produced by sythesizing nitrogen and hydrogen gas. if i have 2 mols of nitrogen gas and 5 mols of hydrogen gas, which reagent will run out first??

    asked on November 11, 2010
  18. chemistry

    nitrogen gas and oxygen gas combines to produce nitrogen dioxide. What amount of oxygen gas is needed to completely react with 3kg of nitrogen gas?

    asked on November 11, 2010
  19. Calculus

    Fnet= F1+F2+F3, F1=40N with bearing of 90' , F2=25N with bearing of 30' ,and F3= 12N with bearing of 290' what is the magnitude and direction ....using VECTOR COMPONENTS....

    asked on March 12, 2012
  20. Chemistry

    What is the conjugate base for each of the following acids? NH3, HSO3-, H2PO4-, H3O+, NH4+.

    asked on December 22, 2010
  21. Chemistry Gd 11

    If 150g of C8H18 is combusted what mass of water will be produced???

    asked on November 9, 2010
  22. stoichiometry problems

    Hey I hve problems with calculate stoichiometry problems and next week I have a test about it can someone help me out and give me a site where everything is written step by step ....thank u guys :) I REALLY NEED HELP NO JOKING

    asked on November 12, 2010
  23. Chemistry

    Hydrogen peroxide decomposes into water and oxygen. What amount of hydrogen peroxide is necessary to produce 1 kg of oxygen

    asked on November 8, 2010
  24. Chemistry HELP

    fast no+no-->n2o2, slow n2o2+h2-->n2o+h20, fast n2o+h2-->n2+h2o 1)What is the intermediates in the rxn 2)Write the rate law for this process

    asked on November 10, 2011
  25. Chemistry

    fast no+no-->n2o2, slow n2o2+h2-->n2o+h20, fast n2o+h2-->n2+h2o 1)What is the intermediates in the rxn 2)Write the rate law for this process

    asked on November 10, 2011
  26. Chemistry

    Liquid Hydrogen perchlorate HClO4 dissolves in water to form what?? Plz write the equation...and also can someone identify the hydrogen ion donor and acceptor thank you :-)

    asked on December 22, 2010
  27. chemistry HELP

    hydrogen peroxide (H2O2) decomposes into water and oxygen. what amount of hydrogen peroxide is necessary to produce 24g of oxygen.

    asked on November 11, 2010
  28. chemistry HMWK help.......

    ammonia is produced by sythesizing nitrogen and hydrogen gas. if i have 2 mols of nitrogen gas and 5 mols of hydrogen gas, which reagent will run out first?? a) if i have 0.0345 mols of nitrogen gas and 0.0537 mols of hydrogen gas, which reagent will run

    asked on November 11, 2010
  29. chemistry HELP......

    what mass of hydrogen will react with 25g of oxygen to produce water?

    asked on November 11, 2010
  30. chemistry HMWK help.......

    you decide to have a BBQ in your backyard. you have 1Kg of pentane (C5H12) in the tank. What is the amount of carbon dioxide (in mass and mols) you will be contributing to the greenhouse gas effect by using up that 1Kg of pentane? plz.... need the answer

    asked on November 11, 2010
  31. chemistry

    ten mols of metallic iron was dissolved in concentrated HCl.what is the balanced chemical equation? a) what is the mass of each product that formed? b) what amount of HCl was used in this reaction? need help in those three questions please......

    asked on November 11, 2010
  32. Chemistry grd 11

    Provided with enough heat, magnesium and oxygen can undergo a synthesis reaction. How much magnesium oxide is produced if 50g of Mg is reacted with 50g of oxygen?

    asked on November 8, 2010
  33. Math 12

    (2,1) is a point on the graph of y= f (x) . Find the corresponding point on the graph of each of the following functions a) y= -f (-x) +2 b) y= f (-2(x+9))-7 c) y= f (x-2) +2 d) y= 0.3f (5(x-3)) e) y= 1- f(1-x) f) y= -f (2(x-8))

    asked on October 11, 2011
  34. Chemistry 12

    How to draw the structural diagram of 2,3 dichlorohexane

    asked on September 10, 2011
  35. biology

    how to label the ecstasy molecular structure plz name each part the formula is C11 H15 NO2 HCl

    asked on February 28, 2011
  36. Chemistry

    What will be the pH of an aqueous solution containing 0.040 mol/L sodium hydroxide?? I got 1.40 or 1.398 I rounded the numbers is my answer right??? If not what's the right answer??

    asked on December 23, 2010
  37. Chemistry HELP

    A solution of gaseous methylamine, CH3NH2, turns red litmus blue. Write the equation and explain this observation.

    asked on December 22, 2010
  38. Re chemistry

    What are the concentrations in mass of the following solutions: a) a 200mL aqueous solution containing 4.26g sodium solfate. b) a 2.00 L aqueous solution containing 107.0g ammonium chloride NH4Cl. Plz can give me someone the answers for BOTH and the steps

    asked on December 5, 2010
  39. chemistry HMWK help....... REPOST

    you decide to have a BBQ in your backyard. you have 1Kg of pentane (C5H12) in the tank. What is the amount of carbon dioxide (in mass and mols) you will be contributing to the greenhouse gas effect by using up that 1Kg of pentane? plz.... need the answer

    asked on November 11, 2010
  40. Chemistry Gd 11

    How many product can be produced from 37g of sodium ???

    asked on November 9, 2010
  41. chemistry help plzzz

    how can i calculate the pH of the solution obtained when 50.00mL of 0.150mol/L hydrochloric acid is added to 75mL of a 0.111 mol/L aqueous sodium hydroxide solution. need help i am stuck with that question thank you :)

    asked on December 24, 2010
  42. Chemistry

    What are the concentrations of the following solutions: a) a 200mL aqueous solution containing 4.26g sodium solfate. b) a 2.00 L aqueous solution containing 107.0g ammonium chloride NH4Cl. Plz can give me someone the answers for BOTH and the steps how you

    asked on December 5, 2010
  43. chemistry

    provide with enough heat, magnesium and oxygen can undergo a synthesis reaction. how much magnesium is neede if 3.5kg of product is desired?

    asked on November 11, 2010
  44. Chemistry Gd 11

    How many moles of chlorine gas would reacht with 10 moles of sodium to form sodium chloride?

    asked on November 9, 2010
  45. Chemistry grd 11

    Provided with enough heat, magnesium and oxygen can undergo a synthesis reaction. How much magnesium oxide is produced if 50g of Mg is reacted with 50g of oxygen?

    asked on November 8, 2010
  46. Biology 12

    Triaglyceride with three F.A.chains of 20 carbon how to calculate the ATP production Plz show the steps thank you

    asked on April 5, 2011
  47. Biology

    in what categorize does Esctacy belong to? carbohydrate, lipid, protein or nucleic acid and why. can some give me 2 or 3 exaple why is belogs to it thank you in advenge

    asked on February 27, 2011
  48. Biology

    how does esctacy work plz i need 3 explanation

    asked on February 27, 2011
  49. biology

    in what categorize does Esctacy belong to? carbohydrate, lipid, protein or nucleic acid and why. can some give me 2 or 3 exaple why is belogs to it thank you in advenge

    asked on February 27, 2011
  50. English

    How can i compare life of pi with wall e in a hero's journey and what 3 point are most important to write a essay. Any help is needed thank u :)

    asked on December 29, 2010
  51. Chemistry Gd 11

    How many molecules of product would be produced from 10g of chlorine gas ??

    asked on November 9, 2010
  52. Chemistry

    Provided with enough heat, magnesium and oxygen can undergo a synthesis reaction. How much magnesium oxide is produced if 50g of Mg is reacted with 50g of oxygen?

    asked on November 8, 2010
  53. English help

    Can anybody help me with wall-e the animation movie in a hero journey thank u :)

    asked on December 31, 2010
  54. Education problem

    what do i need to know before going to the university from high school for dentistry (which book is helpful for studying dentistry)

    asked on January 4, 2011
  55. Chemistry HMWK HELP

    what is the overall neutralization reaction equation and the net ionic equation for potassium hodrogen sulphate and sodium hydroxide. Need help with my hmwk. Thank you

    asked on December 23, 2010
  56. chemistry hw help :)

    which of the following substances dissolve in each other? and why? water ethylene glycol isopropanol cycolohexane ethyl acetate

    asked on November 29, 2010
  57. Biology HELP

    Triaglyceride with three F.A.chains of 20 carbon how to calculate the ATP production Plz show the steps thank you

    asked on April 5, 2011
  58. Chemistry help plz

    How to calculate the hydronuim ion cencentration of solution with a pH of 2.5?

    asked on December 23, 2010
  1. Chemistry

    what is the overall neutralization reaction equation and the net ionic equation for potassium hodrogen sulphate and sodium hydroxide. Need help with my hmwk thank you

    posted on December 23, 2010
  2. chemistry HMWK help.......

    hey can u show me the shorter way to do plzzz and thx for the answer... :)

    posted on November 11, 2010
  3. chemistry

    thanks foe helping me, but there are no steps shown ????

    posted on November 11, 2010
  4. chemistry HMWK help.......

    C5H12 + 8O2 -----> 5CO2 + 6H2O i balance the equation i hope its right.so what the next step....

    posted on November 11, 2010
  5. chemistry

    there is also part a) and b) to this qoustion that i wrote. i forgot to write it sorry. a) what amount of oxygen is neede to react completely with 2.4g of magnesium? b) if i have 2g of magnesium and 5g of oxygen, which reactant will run out first???

    posted on November 11, 2010
  6. Chemistry grd 11

    Hey thank u for ur answer ... but can u show me with steps from question 4 to 6 please because I didn't get it what u mean there and please can u tell me what the answer will be thank you .....

    posted on November 8, 2010