What specific evidence from the gold foil experiement led Rutherford to come to each of the following conclusions? The nucleus occupies very little space in the atom. Answer:He shot alpha particles through thin sheet of gold and discovered some were

13,403 results
  1. Chemistry (urgent)

    The gold foil Rutherford used in his scattering experiment had a thickness of approximately 4×10^−3 mm. If a single gold atom has a diameter of 2.9 x10^-8cm , how many atoms thick was Rutherford's foil? Express your answer using one significant figure.

  2. Chemistry

    The dimensions of aluminum foil in a box for sale at a supermarket are 66.6 yards by 12 inches. The mass of the foil is .83kg. What is the thickness of the foil (in cm)? (1in = 2.54 cm)

  3. Chemistry 101

    if 95j of heat is added to a pure gold coin with a mass of 16 grams, what is its temperature change? Specific heat capacity of gold is 0.128 j/g degrees C.

  4. Science

    1. Which statement about subatomic particles is NOT true? (1 point) Protons and neutrons have almost the same mass. Protons and electrons have opposite charges. Unlike protons and electrons, neutrons have no charge. Protons and neutrons have the same

  5. science

    The gold foil Rutherford used in his scattering experiment had a thickness of approximately 4×10^−3 mm. If a single gold atom has a diameter of 2.9 x10^-8cm , how many atoms thick was Rutherford's foil? Express your answer using one significant figure.

  6. Chemistry

    Which of the following statements is not consistent with the results obtained in Rutherford’s gold foil experiment? A. The nucleus of an atom is positively charged. B. The nucleus of an atom contains almost all the mass of the atom. C. Atoms are composed

  7. science

    How would you find the thickness of a peice of gold foil.

  8. Chemistry

    Calculate the amount of heat required to heat a 3.3kg gold bar from 30 ∘ C to 63 ∘ Specific heat capacity of gold is 0.128 J/g ∘ C.

  9. chemistry

    Calculate the amount of heat required to heat a 4.0kg gold bar from 20∘C to 61∘C. Specific heat capacity of gold is 0.128 J/g∘C. How do we figure this out?

  10. physics

    In Rutherford's famous scattering experiments that led to the planetary model of the atom, alpha particles (having charges of +2e and masses of 6.64 × 10−27 kg) were fired toward a gold nucleus with charge +79e. An alpha particle, initially very far

  11. Physics

    A piece of gold-aluminium alloy weighs 49N when suspended from a spring balance and submerged in water it weighs 39.2N what is the weight of Gold in the alloy if the specific gravity of gold is 19.3 and aluminium is 2.5?

  12. Chemistry 101

    If gold sells today for 1625 per ounce, and a large mining truck hauls 400 tons of gold ore, what is the value of the gold in each truck if each ton of gold ore contains 1.0 ounces of gold? Use dimensional analysis.

  13. Chemistryy

    Identify the observations of Ernest Rutherford's experiment with the gold foil. Where he experimented on alpha particles and deflection. Check all that apply.... 1) a positive charge is spread equally over the atom 2) THE MAJORity of the space inside the

  14. science

    Rutherford used his gold foil experiment as evidence for a new atomic model. He suggested that the atom contained a small positively charged nulceus surrounded by a large void filled with only a few electrons orbiting the nucleus. What other experiment or

  15. chem

    A 6.75-g sample of gold (specific heat capacity = 0.130 J/g °C) is heated using 55.8 J of energy. If the original temperature of the gold is 25.0°C, what is its final temperature?

  16. Chemistry

    If 92J of heat are added to a pure gold coin with a mass of 12g, what is its temperature change? Specific heat capacity of gold is 0.128 J/g ∘ C

  17. Physics

    In 1910 Rutherford performed a classic experiment in which he directed a beam of alpha particles at a thin gold foil. He unexpectedly observed a few of the particles scattered almost directly backward. This result was not consistent with then current

  18. Chemistry 101

    If gold sells today for 1625 per ounce, and a large mining truck hauls 400 tons of gold ore, what is the value of the gold in each truck if each ton of gold ore contains 1.0 ounces of gold? Use dimensional analysis.

  19. chemistry

    f 89 of heat are added to a pure gold coin with a mass of 15 , what is its temperature change? Specific heat capacity of gold is 0.128 .

  20. Chemistry

    What specific evidence from the gold foil experiement led Rutherford to come to each of the following conclusions? The nucleus occupies very little space in the atom. Answer:He shot alpha particles through thin sheet of gold and discovered some were

  21. Physical science

    When most of the positively charged particles aimed at a piece of gold foil passed through it, but a few deflected or bounced back, Rutherford suggested that _____.

  22. Science , Biology

    Cretaceous extinction... The evidence tells you that “overwhelming evidence suggests that the extinction was caused by a 10-km-diameter asteroid that struck Earth.” Suggest at least three lines of evidence that might have led scientists to this

  23. Science

    he specific heat of gold is 0.031 cal/g°C. Fifty grams of gold will require ____ calories to raise the temperature 1°C. 3.1 6.2 1.55 50

  24. Science

    How many number of gold atom are present in 0.6 gm of 18 carat gold.The 24 carat gold is taken as 100% pure gold.(atomic mass of gold=197a.m.u)

  25. History

    What led to the viability of the Jamestown colony? A. Trading for furs with the Cherokee tribes to the south led to an increase in revenue. B. The acquisition of gold held by the Powhatan tribe improved the viability of the colony. C. The production of

  26. science

    If the temperature of 0.20 kg of gold, which has a specific heat of 130 J/kg • °C, increases by 25°C, how much energy has been transferred to the gold by heat?

  27. Physics?

    In Rutherford's scattering experiments, alpha particles (charge = +2e) were fired at a gold foil. Consider an alpha particle, very far from the gold foil, with an initial kinetic energy of 2.0 MeV heading directly for a gold atom (charge +79e). The alpha

  28. chemistry

    A 4.90 g nugget of pure gold absorbed 255 J of heat. What was the final temperature of the gold if the initial temperature was 24.0°C? The specific heat of gold is 0.129 J/(g·°C).

  29. Chemistry

    Two substances, gold and granite, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of gold is 20.2 g and its initial temperature is 58.2 ∘C. The mass of granite is 29.1 g and its initial temperature is 20.1

  30. Biology

    J.J. Thomson's experiments supported the existence of a particle that deflected away from a negative charge and toward a positive charge. Ernest Rutherford found that when positive particles were fired at gold foil, some of the particles deflected rather

  31. Chem

    I don't understand how Rutherford's gold foil experiment proved that the positive charge of the atom had a very small volume in comparison to the whole atom. Could someone explain this to me please?

  32. Literature 1010

    The third step in effective writing is to A) organize and connect the specific evidence in a paper B) write clear, error-free sentences C) make a point D) support a point with specific evidence

  33. phisycal sciences

    Which of the following properties did Rutherford use in his experiment? A. the negative charge of the alpha particles and the random distribution of protons B. the negative charge of the alpha particles and the positive charge of the gold foil C. the

  34. 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

  35. Physics help please

    Rutherford Scattering Calculate the impact parameter for scattering a 7.7 MeV alpha particle from gold at an angle of (a) 1 degree and (b) 90 degrees?

  36. Chemistry

    If 89J of heat are added to a pure gold coin with a mass of 20g , what is its temperature change? Specific heat capacity of gold is 0.128 J/g∘C.

  37. 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

  38. Physics

    Rutherford, Geiger, and Marsden (his students) fired a beam of alpha particles at a gold foil. The alpha particles had an energy of about 3.6 million electron volts, a charge of +2e, and a mass of about four AMU (one Atomic Mass Unit is 1.66 x 10-27 kg.

  39. pyhsical sciencve

    In Rutherford's gold foil experiment the alpha particles pass through which part of the atom? A. the nucleus B. the proton shield C. the valence electron shell D. the electron cloud

  40. chemistry

    Decide if each of the following principles were first discovered during Thompson's cathode ray tube experiments, Rutherford's gold foil experiment, Millikan's oil drop experiment or none of these. Label each one with either Thompson, Rutherford, Milikan,

  41. Chemistry Subatomic particles

    Fill in the chart (Numbers correspond to each other[I.E 1 in 1st group connects with 1in 2nd]) Subatomic particle found 1.Proton 2.Neutron 3.Electron Scientist 1.Rutherford 2.Chadwick 3.Thomson Experiment 1.Gold Foil Experiment? 2.? 3.Cathode Ray Tube Data

  42. Chemistry Help!

    the specific heat capacity of gold is .13 J/g°C. Calculate the specific heat capacity of gold in cal/g°C. Calculate the specific heat capacity of gold in J/mol°C. Calculate the amount of energy required in joules to heat 2.5 kg of water from 18.5°C to

  43. Physics

    A piece of gold-alminium alloy weighs 49N. When suspended from a spring balance and submerged in water it weighs 39.2N. What is the weight of Gold in the alloy if the specific gravity of gold is 19.3 and that if aluminium is 2.5?

  44. History

    What led to the viability of the Jamestown colony? the creation of a textile mill in the colony established its dominance in cotton production trading for furs with the Cherokee tribes to the south led to an increase in revenue the production of tobacco as

  45. physics

    A beam of 8.3 Mev alpha particles is directed at an aluminum foil. it is found that the Rutherford scattering formula cease to be obeyed at scattering angles exceedin about 60 .if alpha particle is assumed to have a radius 2*10^-15m. find the radius of the

  46. Physics check

    In Rutherford's Gold Foil experiment, he bombarded gold with alpha particles and discovered the .... electron?

  47. physics

    In Rutherford's famous scattering experiments that led to the planetary model of the atom, alpha particles (having charges of +2e and masses of 6.64 10-27 kg) were fired toward a gold nucleus with charge +79e. An alpha particle, initially very far from the

  48. science

    How did Rutherford, bohr, and quantum geiger-marden metail-foil experiments contradict thomas's raisin pudding model of the atom?

  49. Physics

    A thin sheet of gold foil has an area of 2.98 cm2 and a mass of 6.20 mg. How thick is the sheet? The density of gold is 19, 300 kg/m3.

  50. Chemistry

    the specific heat capacity of gold is .13 J/g°C. Calculate the specific heat capacity of gold in cal/g°C. Calculate the specific heat capacity of gold in J/mol°C. Calculate the amount of energy required in joules to heat 2.5 kg of water from 18.5°C to

  51. physics

    A square piece of foil with area A = 5.0 × 10^-4 m^2 and mass m = 5.0 × 10^-5 kg is suspended along one edge and hangs under its own weight. When light is incident perpendicular to the foil,the foil bends and reaches an equilibrium angle of 2 degrees. If

  52. Physics**Scientist

    Please help me with this!! I really can't find it. 1) This scientist used his device by dropped a spool of wire through a magnetic field. 2)This scientist used a torsional balance to show that the magnetic repulsion between magnetic poles varied by the

  53. history

    Which option most accurately explains the developments that led to the Stock Market Crash of 1929? The practice of “painting the tape” by high-profile investors led to buying bubbles that overvalued worthless stocks. The overproduction of cars by the

  54. History

    16.)What was an effect of the California Gold Rush in 1849? A.)Many people discovered gold, became rich, and established multiple mining towns in California.*** B.)The president authorized the forced removal of the Sioux tribes in California where gold was

  55. Chemistry

    Calculate the heat needed to raise the temperature of a piece of gold that weighs 5.8 g by 8.4°C if the specific heat of gold is 0.13 J/g°C.

  56. refining

    If I have a solution of gold chloride, is there a was I can grow metalic gold crystals to recover the gold instead of using sulfer dioxide to drop the gold as poeder?

  57. Chem

    Calculate the amount of heat required to heat a 3.8 gold bar from 30 to 67. Specific heat capacity of gold is 0.128 .

  58. Chemistry

    I keep getting the wrong answer? I know there is one similar to this on here but I keep getting the wrong answer. The gold foil Rutherford used in his scattering experiment had a thickness of approximately 6×10^−3mm. If a single gold atom has a diameter

  59. physics

    In Rutherford's scattering experiments, alpha particles (charge = +2e) were fired at a gold foil. Consider an alpha particle, very far from the gold foil, with an initial kinetic energy of 3.3 MeV heading directly for a gold atom (charge +79e). The alpha

  60. answer check science

    1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation?

  61. science

    1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation?

  62. science

    What did Rutherford's gold foil experiment give proof of?

  63. Physics

    Ernest Rutherford fired alpha particles (helium nuclei) at a sheet of gold foil rolled as thin as he could get it. Some of these particles passed straight through the foil, some bounced off at various angles, and some rebounded directly backwards. From

  64. Physics

    How does Rutherford's model of the atom account for the back-scattering of alpha particles directed at the gold foil?

  65. Chemistry

    What would have happened if Rutherford shot negative particles instead of positive particles in his gold-foil experiment? What would have happened if the nucleus in the gold-foil was actually negative, rather than positive, in his experiment?

  66. physics

    Ok, let's use the following information to very roughly estimate the size of the nucleus. Rutherford, Geiger, and Marsden (his students) fired a beam of alpha particles at a gold foil. The alpha particles had an energy of about 3.70 million electron volts,

  67. physics

    Ok, let's use the following information to very roughly estimate the size of the nucleus. Rutherford, Geiger, and Marsden (his students) fired a beam of alpha particles at a gold foil. The alpha particles had an energy of about 3.70 million electron volts,

  68. Chemistry-History-ish

    Describe 3 experiments, run prior to 1930, and the types of energies/particles used to probe the structure of the atom. What did each experiment investigate? Include the names of the scientists associated with each experiment in your answer Would this be

  69. Physics

    By what factor would the rate of scattered X-rays within an angle 5 degrees of directly backward increase, if the gold foil were replaced by a uranium foil of the same thickness in the Geiger Marsden experiment? Note: you will need to account for changes

  70. Science

    Which of the following statements is not consistent with the results obtained in Rutherford’s gold foil experiment? A. The nucleus of an atom is positively charged. B. The nucleus of an atom contains almost all the mass of the atom. C. Atoms are composed

  71. Chemistry

    Can you please help me figure out this fill in the blank? Okay here it goes: Neils Bohr stated the structure was similar to the _________________ of our galaxy. and the other is: The Rutherford experiment led tot the discovery of the ___________. Thank

  72. physics- Electromagnetic waves

    A square piece of foil with area A = 5.0 × 10^-4 m^2 and mass m = 5.0 × 10^-5 kg is suspended along one edge and hangs under its own weight. When light is incident perpendicular to the foil,the foil bends and reaches an equilibrium angle of 2 degrees. If

  73. physics- Electromagnetic waves

    A square piece of foil with area A = 5.0 × 10^-4 m^2 and mass m = 5.0 × 10^-5 kg is suspended along one edge and hangs under its own weight. When light is incident perpendicular to the foil,the foil bends and reaches an equilibrium angle of 2 degrees. If

  74. science

    gold has a specific heat of 0.130j/g. degrees celcuis if 195 joules of heat are added to 15 grans of gold homw much does the tempreature of the gold change

  75. Chemistry

    A 45.4 grams of a gold metal sample was heated with the amount of energy of 228 J. Which of the following would the most plausible temperature change of the gold sample? The specific heat of gold is 0.131 J/g.oC. 12.8 oC to 38.3 oC 24.4 oC to 81.6 oC 23.8

  76. physics

    Does anyone know what this is about? please help I would be more than grateful.. How does Rutherford’s model of the atom account for the back – scattering of alpha particles directed at the gold leaf

  77. Chemistry

    Cite the three pieces of evidence that caused Rutherford to conclude that the atom had a tiny, positively charged center (nucleus).

  78. Chemistry

    A 15g sample of what appears to be gold that was heated from 22 degrees C to 39 degrees C, required 26.3 J of energy. If the specific heat of gold is .129 J/(g x degrees C), is the metal pure gold? Defend your answer with calculations.

  79. please help

    You know that a cetrain electroscope is charged because the foil extends when there is nothing near to influence it. when a balloon rubbed with fur is brought near (but not near to change the net charge on the electroscope), the gold foil is seen to move

  80. Physics PLEASE HELP

    Ernest Rutherford (the first New Zealander to be awarded the Nobel Prize in Chemistry) demonstrated that nuclei were very small and dense by scattering helium-4 nuclei (4He) from gold-197 nuclei (197Au). The energy of the incoming helium nucleus was 7.58

  81. physics

    What is the final tempurature when a 3.0 kg gold bar at 99C is dropped into 0.22 kg of water at 25C Specific heat of gold is 129 j/kg x C

  82. physics

    Rutherford fired a beam of alpha particles (helium nuclei) at a thin sheet of gold. An alpha particle was observed to be deflected by 90.0°; its speed was unchanged. The alpha particles used in the experiment had an initial speed of 2.2 ✕ 10^7 m/s and a

  83. physics;changes in temp

    A 4.0 kg gold bar at 97C is dropped into 0.27 kg of water at 22C. What is the final temperature? Assume the specific heat of gold is 129 J/kg C. Answer in units of C.

  84. Chemistry

    How much energy in kJ is required to raise a 1.75 kg block of gold from 25.0 C to 105.0 C? The specific heat of gold is 0.03083 cal/g C, but I don't know how to compute the answer to the question.

  85. science dr bob

    I thought i was done but I am confused on these two. 1. In a natom electrons are located in energy levels that are a certain distance from the nucleus. I put rutherford. and I am still left with atoms are small hard particles - wave - rutherford -democrius

  86. Lang Arts

    Have you read this book called the outsiders well i need to do an oral presentation on it Here is a poem i need to know how this poem relates to the story and some other details with evidence from the story. Poem: Nothing Gold Can Stay Natures first green

  87. Lang Arts

    Have you read this book called the outsiders well i need to do an oral presentation on it Here is a poem i need to know how this poem relates to the story and some other details with evidence from the story. Poem: Nothing Gold Can Stay Natures first green

  88. Algebra

    Is there a shortcut to foiling an equation? I always thought that FOIL WAS a shortcut. I've never heard of "foil" before :) FOIL (First Inner Outer Last) Does this just specify an order in which you are supposed to multiply? I think the order is

  89. science

    The specific heat of solid gold is 0.13J/gC.How much heat is needed to raise the temperature of 25.0g of gold from 23C to its melting point at 1063C

  90. Chemistry

    The specific heat of solid gold is 0.13 J/g • °C. How much heat is needed to raise the temperature of 25.0 g of gold from 23°C to its melting point at 1063°C?

  91. physics

    What amount of heat is required to increase the temperature of 75.0 grams of gold from 150°C to 250°C? The specific heat of gold is 0.13 J/g°C.

  92. science

    an atom is made of a positively charged nucleus surrounded by a large region in whci hscientists can predict where an electron is likey to be found. I think this is attributed to rutherford choices are: rutherford, wave model, thompson, dalton or bohr.

  93. chemistry

    A sample of gold is at a initial temperature of 350 k. Once dropped into a coffe cup calorimeter of heat capacity 400 k^-1 it contains 50 g of water at 300 k. Specific heat capacity is 0.129 for gold and 4.18 for water. what is the final temp of all gold,

  94. chemistry

    A sample of gold is at a initial temperature of 350 k. Once dropped into a coffe cup calorimeter of heat capacity 400 k^-1 it contains 50 g of water at 300 k. Specific heat capacity is 0.129 for gold and 4.18 for water. what is the final temp of all gold,

  95. Chemistry

    If we heat a 10 g sample of gold and a 10 g sample of iron with 50 kJ of energy each, which will have the greatest change in temperature? gold specific heat= 0.129J/g degC) iron specific heat = (0.452 J/g degC)

  96. English

    What is a foil? Ex. Bob is used as a foil to Tina. http://www.tnellen.com/cybereng/lit_terms/terms/2terms.html#Foil =) I still don't understand :( Think of "foil" as if it's aluminum foil. You can see your image in it if you look at the shiny side, right?

  97. College Chemistry/Lab Math

    I think I have this problem figured out correctly, but is there anyone who can tell me if I'm doing something wrong. The question is... "One troy ounce of gold is worth $380. There are 33.8 grams per troy ounce. You have a stock colloidal solution of a

  98. Physics

    Can you please help me with the following questions. Thanks! How does Rutherford's model of the atom acoount for the back-scattering of alpha particles directed at the gold leaf? What is Bohr's key idea (involving matter waves) that makes the Bohr atom

  99. physical science

    A gold bar has a mass of 250 grams and is heated from 25 degrees Celsius to 55 degrees Celsius. How much heat did the gold bar absorb? The specific heat of gold is 0.13J/g*degrees C.

  100. Chem

    The price of gold is $625 per troy ounce at this writing. How much heat (in J) is needed to raise the temperature of $5000.00 worth of gold from 29.5 oC to 70.5 oC? (1 troy oz = 31.10 g and the specific heat of Au is 25.42 J/(moloC).) Please help!

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