What chemical test do you use to distinguish between iron and iron sulphide (axcept using a magnet)?

18,221 results
  1. Chemistry

    When 84.8 g of iron(III) oxide reacts with an excess of carbon monoxide, iron is produced. Fe2O3(s) + 3CO(g) ==> 2Fe(s) + 3CO2(g) what is the theoretical yield of iron?

  2. chemistry

    Iron reacts with chlorine to form iron(iii)chloride. A)How many chlorines react with 1.86g of iron? B)What mass of iron(iii)chloride is produced?

  3. math

    the ratio of the distances a 7-iron and a 5- iron will dirve a golf ball is 5 to 6. if a golfer averages 153 yards with a 7- iron, how far should he averages with a 5-iron?

  4. Chemistry

    When iron rusts in air, iron (III) oxide is produced. How many moles of oxygen react with 7.2 mol of iron in the rusting reaction? 4Fe(s)+3O2=2Fe2O3(s)

  5. 12th grade chemistry

    A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.

  6. Chemistry

    A student determines the iron (II) content of a solution by first precipitating it as iron (II) hydroxide, and then decomposing the hydroxide to iron (II) oxide by heating. How many grams of iron (II) oxide should the student obtain if her solution

  7. Chemistry1

    The questions asks to write a word equation and a balanced chemical equation for a reaction between aqueous copper (ii) sulfate and solid iron. Assume that iron forms the Fe2+ ion.) Include proper states of matter after each substance (s, l, g, aq). Here

  8. Chemistry

    The specfic heat of iron is 0.11cal/g C. The heat of fusion of iron, the heat required to convert iron from a solid to liquid at its melting point, is 63.7cal/g. Iron melts at 1530 C. How much heat must be added to 2g of iron at 25c to completely melt it?

  9. chemistry

    equation of the reaction of hydrochloric acid and iron sulphide

  10. Chemistry

    1. State specifically how you would make a conclusive test for an iron (III) salt. 2. Which test for iron (II) ions is conclusive. 3. Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify

  11. Chemistry-Equation

    When iron rusts in air, iron(III) oxide is produced. How many moles of oxygen react with 2.4 mol of iron in the rusting reaction?

  12. Chemistry

    Please be specific. In an experiement 23.4 g of iron sulphide, FeS are added to excess oxygen, and 16.5 of Iron oxide, Fe2O3 are produced. The balanced euation for the reaction is 4FeS =7O2 -- 2Fe2O +2SO2. Calculate the percent yield of iron oxide in the

  13. chemistry

    Write the balanced chemical reaction for the rusting of iron? the acidic vinegar dissolved a protective coating off the steel wool, allowing the oxidation of the steel to begin. This process is called rusting. In this reaction, iron(III) is combined with

  14. Chemistry

    please balance this chemical equation iron +oxygen > iron (III) oxide +energy Fe + O2> Fe2 O3 + heat and light

  15. mathematics,

    The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 166 yards with a 7-iron, how far should he average with a 5-iron?

  16. Grade 10 Science

    Why is the name for the ionic bond FeS Iron (II) Sulphide when the charges on iron and sulphur are +2 and -2? Shouldn't the name be Iron (I) Sulphide? Same goes for Copper (II) Sulphide. Please explain!

  17. Chemistry

    In producing pure iron metal from its ore, iron(III) oxide and carbon (coke) must react according to the following balanced chemical equation: FerO-(s) + 3 C(s) › 2 Fe(s) + 3 CO (g) Suppose 5.89 x10, mol of iron ore are consumed. How many moles of pure

  18. science

    How do catalysts affect a chemical reaction? lose activation energy provide activation energy increase activation energy lower activation energy*** What does the forward arrow in a chemical equation mean? The reaction is reversible. The reaction proceeds

  19. Chemistry

    Iron ores have different amounts of iron per kilogram of ore. Calculate the mass percent composition of iron for each iron ore: Fe2O3{\rm Fe_2O_3} (hematite), Fe3O4{\rm Fe_3O_4} (magnetite), FeCO3{\rm FeCO_3} (siderite).

  20. World history; Check:P

    How did environmental features in Anatolia help the Hittites advance technologically? The Hittites were the first to use iron for weapons, because the materials they needed were easily in the mountains of Anatolia. Iron was easy to get to for the Hittites

  21. chemistry

    In an experiement 23.4 g of iron sulphide are added to excess oxygen and 16.5 grams of iron (III) oxide, Fe2O3 are produced the balanced equation for the reaction is 4FeS + 7O2 -- 2Fe2O3 + 2SO2 Calculate the percent yield of iron oxide in the experiement

  22. Science

    what type of reaction was undergone when hydrogen sulphide and iron (iii) sulphide is reacted?

  23. chemistry

    A 0.1943g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe 2+ (aq). The iron solution was titrated with Ce 4+ solution according to the balanced chemical reaction shown below.After calculation, it was found that 0.0237 g

  24. chemistry

    A 46.9 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 11.6 grams. What was the percent iron in the sample of ore? Answer in units of %

  25. Chemistry

    Iron is obtained from iron ore according to the following reaction: Fe2O3+CO---> Fe+CO2 (unbalanced). a. Assuming the blast furnace is 90.0% efficient in recovering the iron, what is the actual mass of iron obtainable from a ton of ore? b. What is

  26. History

    What were the effects of the Zhou metal workers mastering iron? Select the two correct answers. A. The Zhou conquered the warlords and were the first to unify China. B. Iron made stronger, more effective farm tools and increased crop yield. C. Iron weapons

  27. Algebra

    The density of iron is 7.87 g/cm3, and the average mass for one iron atom is 9.28×10-23 g. How many atoms are there in a rectangular iron ingot measuring 3.00 cm × 3.00 cm × 9.00 cm?

  28. chemistry

    iron+sulphur together are a mixture of small grains yellow and dark grey.Its chemical symbol is 'Fe + S'.When it reacts with oxygen they create a new chemical substance; Iron Sulphide. What do you put for 'explain the reaction using the Big Idea of Energy?

  29. Chemistry-help

    What is the chemical equation for the reaction between iron and sulphur to produce iron sulphide? Do we write sulphur as S or S8?

  30. Chemistry

    1. State specifically how you would make a conclusive test for an iron (III) salt. 2. Which test for iron (II) ions is conclusive. 3. Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify

  31. health

    what three vitamins and minerals undergo the greatest percentage increase during pregnancy?1.vitamind,iron,folicacid 2.iron,folicacid,calcium 3.iron,folicacid,vitaminb6 4.vitamind,iron,calcium 5.iodide,iron,niacin

  32. Chemistry

    Iron reacts with sulfur to form a sulfide. If 2.561 g of iron reacts with 2.206 g of sulfur, what is the simplest formula of the sulfide? I don't know how to go about doing this problem. The answer is Fe2S3. Calculate the moles of iron in 2.561 grams of

  33. science

    Iron is obtained by reduction of iron(iii)oxide gas in a blast furnace.calculate the amount of iron(iii)oxide needed to produce 100tonnes of iron.

  34. Chemistry

    The dusting of iron is represented by the equation 4fe3 +3o2 —2fe2o3. if you have 1.8 mol sample of iron how many moles of fe2o3 will there be when the iron has completely rusted

  35. Science

    When iron is heated with sulphur, iron sulphide is formed . Name the reaction

  36. MTH 156

    The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron, how far should he average with a 5-iron

  37. chemistry 11 grade

    A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.

  38. Science

    What are the properties of iron sulphide?

  39. CHECK my answers Physical science

    10. If a solid piece of iron is heated and remains at 80°C until it is completely melted, you know that 80°C is (2 pts) * a. the freezing point of iron b. the melting point of iron c. the boiling point of iron d. both the freezing and melting points of

  40. chemistry

    You are asked to make 43 grams of iron (Fe) from iron III oxide (Fe2O3) and carbon monoxide (CO) as shown in the chemical equation below. Fe2O3 + 3CO → 2Fe + 3CO2 How many grams of iron III oxide must you use? Question 10 options: 61.49 g 122.99 g 0.77 g

  41. Chemistry

    I have 3 I don't understand how to do. A 33.2 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 12.3 grams. What was the percent iron in the sample

  42. Chemistry (specific heat)

    1125 J of energy is used to heat 250 g of iron. After heating, the final temperature of the iron is measured as 55 °C. The specific heat capacity of iron is 0.45 J/(g·°C). What was the initial temperature of the iron?

  43. science

    How do you diffirentiate between a sample of iron and a sample of iron sulfur by means of a chemical test

  44. Chemistry

    I am trying to find tests physial/chemical to distinguish an aluminum and iron mixture.

  45. Chemistry

    8.8 g of iron(II) sulphide reacts completely with excess dilute hydrochloric acid. Calculate the volume of hydrogen sulphide evolved, measured at 18 º C and 729 mmHg pressure.

  46. chemistry

    Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?

  47. chemistry

    is motor oil a homogeneous mixture or a compound? why? is iron smelting a chemical or physical process? I call oil a homogeneous mixture. Look up the definition of a mixture and the definition of a compound. Motor oil contains a number of different "oils"

  48. Science

    When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this observation?

  49. To DrBob222

    Now I have to name the compounds below. Please correct any of my mistakes. Thank you very much in return:-) 1. ZrCl4 = Zirconium chloride 2. (NH)4C = Ammonium carbide 3. FeS = Iron Sulphide 4. CaO = Calcium Oxide 5. BeCl2 = Beryllium Chloride 6. K3N =

  50. AP Chemistry

    A 33.8 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 20.7 g. What was the mass of iron in the sample of ore? Answer in units of g. - I

  51. science

    The ladle at an iron foundry can hold 8500 kg of molten iron. You need 646 metric tons of iron to make rails. How many ladlefuls of iron will it take to make 646 metric tons of iron? (note - 1 metric ton = 1000 kg

  52. chemistry

    when iron rusts in air, iron(III) oxide is produced. how many moles react with 2.4 iron in the rusting reaction? 4Fe(s) + 3O2(g) => 2Fe2O3(s)

  53. chemistry

    The rusting of iron is represented by the equation 4Fe + 3O2 2Fe2O3. If you have a 1.75-mol sample of iron, how many moles of Fe2O3 will there be after the iron has rusted completely?

  54. chemistry

    What chemical test do you use to distinguish between iron and iron sulphide (axcept using a magnet)?

  55. chemistry

    What is the chemical test to distinguish between iron and iron sulphide?

  56. science

    What chemical test is there to distinguish between a sample of iron(Fe) and a sample of iron sulphide(FeS)

  57. science

    a chemical test to distinguish between a sample of iron and a sample of iron sulphide.

  58. Science

    Heating Iron and Sulphure pruduces Iron Sulphide. What is the consitency/ appearance of Iron Sulphide ? Is it a powder or a solid?

  59. Chemistry

    I looked and could not find anything on iron smelting? Could you explain to me why it is a chemical process? Iron ore is a chemical compound, it has to be decomposed into iron + other. Surely you jest!!! I went to www.google.com and typed in Iron smelting

  60. science

    I'm posting this again because the answer I got last time made no sense to me. Peter looked on his cereal box, he saw that it read 'contains added iron.' Peter wanted to see the iron in his food. Peter got out a magnet, and the iron came to the top of the

  61. chemistry

    how do you get the iron back from the iron sulphide? Thanks

  62. Chemistry

    A 39 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 7.9 grams. What was the percent iron in the sample of ore? Answer in units of %. Please help

  63. ap chemistry

    A 25.2 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 12 grams. What was the percent iron in the sample of ore? Answer in units of %

  64. AP Chemistry

    A 44.6 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 10.1 grams. What was the percent iron in the sample of ore? Answer in units of %

  65. 11th grade

    A 36.5 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 10 grams. What was the percent iron in the sample of ore?

  66. Science

    Write balanced chemical reaction of the following- Stem is passed over heated iron to form magnetic oxide of iron and hydrogen.

  67. math

    Write the numbers in order of increasing size. 1/2,3/4,2/3,0.95 Convert to standard notation. 1.91 x 10-4 The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron how far should he

  68. Science

    Please answer the following questions clearly: 1a) (ii) Why would a 15 year old male need more calcium than a 30 year old male? (iii) Why does a 25 year old pregnant female need more protein than a non-pregnant 25 year old female? 1b) A hammer hits a nail,

  69. chemistry

    Where would you find iron II sulphide outside a chemistry laboratory?

  70. Chemistry

    Iron -59 has a half -life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Show all calculations leading to a solution.

  71. Chemistry

    Iron -59 has a half life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that a new sample of iron? Show all calculations leading to a solution. Can you work the problem? I don't know how to solve for t!!! Please.

  72. AP chemistry

    A 28 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 19.5 g. What was the mass of iron in the sample of ore? Answer in units of g.

  73. Chemisrty

    A 38 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 11.1 g. What was the mass of iron in the sample of ore? Answer in units of g

  74. Chemistry

    What chemical test (axcept a magnet) to use to distinguish between iron and sulphur?

  75. Chemistry

    Through a chemical test how do you distinguish between iron and iron sulphide

  76. 10th grade Chemistry

    A chemial test to distinguish between iron(Fe) and iron sulphide(FeS)..without using a magnet

  77. science

    still need to know what chemical tests you can perform to distinguish the difference between a sample of iron and a sample of iron sulphide.

  78. physical science

    how do you distinguish between iron and iron sulphide?

  79. Science

    How can you divide a mixture of iron and iron sulphide, without using a magnot?

  80. Physical Science 9

    What is the chemical equation for the rusting of iron carbide. I tried it myself,but I ended up with iron hydroxide rather than iron oxide. Help, Please, and thank you.

  81. chemistry

    case 1: Iron (3) sulphide contains 46.3% by mass of sulphur, and 53.7% by mass of Fe. case 2: Also Iron (2) sulphide contain 36.50% by mass of S and 63.50% by mass of Fe.a) Calculate the mass of sulphur which combine with 1gm of Iron in case 1 and in case

  82. mathematics

    The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 127 yards with a 7-iron, how far should he average with a 5-iron?

  83. Natural science

    I want a balanced chemical equation for iron+oxygen=iron oxide please

  84. Chemistry

    A 0.1300 g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe2+(aq). The iron solution was titrated with Ce4+ solution according to the balanced chemical reaction shown below. After calculation, it was found that 0.0259 g of

  85. AP Chemistry

    A 40.3 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 10.5 grams. What was the percent iron in the sample of ore? Answer in units of %

  86. chemistry

    Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?

  87. chemistry

    A 28.6 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 10.1 grams. What was the percent iron in the sample of ore?

  88. Physics help please

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the

  89. Physics help

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the

  90. Dr. Bob

    Okay now can you read my introduction for me please... INTRODUCTION: This report discusses an experiment to study the percent mass of iron determined by the concentration of a colored iron solution from the absorbance of the spectrometer. This lab is

  91. Science - chemistry

    Hi Im in year 7 and to get a level 6 we have to explain the big idea of energy. Our project is about the reation of iron and sulphur to make iron sulphide. We have been told to explain using the big idea of energy. pls help me asap!!!!

  92. AP chem

    A 37.2 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 11.1 grams. What was the percent iron in the sample of ore? Answer in units of percent

  93. chemistry

    1125 J of energy is used to heat 250 g of iron. After heating, the final temperature of the iron is measured as 55 °C. The specific heat capacity of iron is 0.45 J/(g·°C). What was the initial temperature of the iron? A. 45 B. 55 C. 20 D. 35 I don't

  94. AP Chem ---

    Iron-59 has a half-life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new iron sample? Please show the calculating so I can learn to do it.

  95. AP Chem ---

    Iron-59 has a half-life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Please show the calculating so I can learn to do it.

  96. Chemistry

    if 6.5kJ of energy are added to 56.4g sample of iron at 24 degrees C what is the final temperature of the iron? The specific heat of iron is 0.449j/gC

  97. Chemistry

    What colour and formula are the iron 2+ & iron 3+ chloride complexes? http://en.wikipedia.org/wiki/Iron(III)_chloride

  98. Chemistry

    The ladle at an iron foundry can hold 8500 kg of molten iron; 646 metric tons of iron are needed to make rails. How many ladlefuls of iron will it take to make 646 metric tons of iron? (1 metric ton=1000 kg)

  99. AP Chemistry

    A 12 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 27.6 g. What was the mass of iron in the sample of ore? Answer in units of g

  100. AP Chemistry

    A 12.8 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 21.3 g. What was the mass of iron in the sample of ore? Answer in units of g.

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20