1. Chemistry

    which process occurs in a controlled fusion reaction? 1 light nuclei collide to produce heavier nuclei. 2 heavy nuclei collide to produce lighter nuclei. 3 neutron bombardment splits light nuclei 4 neutron bombardment splits heavy nuclei. is it 1 ?

    asked by Jazmin on May 6, 2011
  2. Chemistry

    which process occurs in a controlled fusion reaction? 1 light nuclei collide to produce heavier nuclei. 2 heavy nuclei collide to produce lighter nuclei. 3 neutron bombardment splits light nuclei 4 neutron bombardment splits heavy nuclei. is it 1 ?

    asked by Jazmin on May 5, 2011
  3. Physics

    Nuclear fusion reaction will occur in a gas duetorium hydrogen nuclei when a nuclei has an average kinetic energy of atleast 0.72MeV. What is the temperature required for nuclear fusion to occur with duetorium hydrogen? (take boltmann constant k = 1.38 x

    asked by Adigun on November 13, 2013
  4. Physics

    Nuclear fusion reaction will occur in a gas duetorium hydrogen nuclei when a nuclei has an average kinetic energy of atleast 0.72MeV. What is the temperature required for nuclear fusion to occur with duetorium hydrogen? (take boltmann constant k = 1.38 x

    asked by Adigun on November 13, 2013
  5. phys

    Although most natural potassium nuclei are stable 39K (93.3%) or 41K (6.7%) nuclei, about 0.0117% are radioactive 40K nuclei, which have a half-life of 1.26 billion years. What fraction of all the potassium nuclei in your body will undergo radioactive

    asked by Anonymous on June 6, 2013
  6. Chemistry

    The fusion of nuclei requires 1. slow moving (thermal) neutrons 2. a critical mass 3. heavy nuclei 4. plasma at extremely high temperatures I have another question that I do not have the answer in the back of my book. I need help. THank you

    asked by nan on December 14, 2011
  7. science

    What role do condensation nuclei play in condensation? (cloud flormation) I did some research and found that the condensation nuclei attract water and produce condensation so would that mean my answer would be something like 'that the condensation nuclei

    asked by rachel on February 8, 2011
  8. chemistry

    Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear

    asked by Grace on April 14, 2011
  9. Science Question 2

    The helium flash converts three helium nuclei to what heavier element? A.beryllium B.boron C.lithium D.carbon E.iron Carbon. Carbon has six protons, obtained from three helium nuclei. http://abyss.uoregon.edu/~js/ast122/lectures/lec16.html A

    asked by Liz on December 11, 2006
  10. physics

    Although most natural potassium nuclei are stable 39K (93.3%) or 41K (6.7%) nuclei, about 0.0117% are radioactive 40K nuclei, which have a half-life of 1.26 billion years. If you were worried about 40K radioactivity and wanted to wait for 97 % of the 40K

    asked by Anonymous on June 6, 2013
  11. Chemistry

    23. Beta particles are the same as helium nuclei.- F 24. Gamma rays and visible light are two types of electromagnetic radiation.- F 25. Transmutation is the change in a nucleus due to the change in the number of protons.-F? 26. In a nuclear equation, only

    asked by mysterychicken on October 29, 2010
  12. physics-Radioactivity

    1) The number of radioactive nuclei in a particular sample decreases over a period of 15 days to one-seventeenth the original number. What is the half-life (in days) of these nuclei? 2) What is the activity of a sample of 14C that contains 1.22E+21 nuclei?

    asked by Sandhya on April 18, 2008
  13. physics

    For small nuclei, an equal number of protons and neutrons gives rise to a stable nucleus. However, for larger nuclei, an excess of neutrons is required. Using your knowledge of the relevant physics, discuss why additional neutrons make one of these larger

    asked by Tekila on August 14, 2015
  14. Chemistry

    5. The products are the materials used in the reaction.- T? 28. Alloys are a. elements b. compounds c. mixtures A 30. An example of a colloid solution is a. salt water b. dirt mixed with water c. smog C 31. Gases dissolve better a. when pressure is

    asked by mysterychicken on October 30, 2010
  15. Chemistry (PLEASE HELP)

    Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear

    asked by Jamie on April 19, 2011
  16. Chemistry

    Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear

    asked by Sue on April 19, 2011
  17. Physics

    Two alpha particles (helium nuclei) are held in place 1.0 nm apart. Describe the motion of the two nuclei when they are released.

    asked by Dana on September 29, 2018
  18. biology

    If I had an experiment where I was testing how the membrane permeability is affected by ethanol, and by doing this had to observe thin onion slides with different ethanol concentrations and had to count how many nuclei were seen through the microscope once

    asked by anonymous on January 31, 2012
  19. Physics check

    Heavier atoms are not appreciably larger in size than light atoms because the nuclei of heavy atoms have more.... nuclear energy?

    asked by Molly on April 11, 2008
  20. chemistry

    Which of these best describes energy? A. the emission of particles from unstable nuclei B. the capacity to do work C. the splitting of a nucleus D. the combining of nuclei

    asked by junior on September 14, 2010
  21. Chemistry

    Ejected neutrons sustain the fission reaction by serving as reactants to split additional fissionable nuclei, which roduce additional neutrons, which can slit additional dissionable nuclei, and so on. The result is a what???

    asked by Ben on September 13, 2011
  22. Physics

    The following table gives values for the mass defect ∆m for four hypothetical nuclei: A, B, C, and D, isotopes of an element. ABCD Mass defect, ∆m(×10^-29 kg) A. B. C. D -6.0 -2.0 0 +6.0 Which statement is true regarding the stability of these nuclei?

    asked by Sidiqi on March 29, 2018
  23. Physics

    In stars, nucleons (protons and neutrons) form nuclei of atoms via a series of fusion reactions. If for a particular fusion reaction more energy is given off than is required to make it proceed, does the final nucleus have a higher or lower rest mass than

    asked by Nat on May 9, 2009
  24. science(reading)

    "he proved the existence of neutrons - elementary particles devoid of any electrical charge. In contrast with the helium nuclei (alpha rays) which are charged, and therefore repelled by the considerable electrical forces present in the nuclei of heavy

    asked by Samantha on November 2, 2012
  25. physics

    the nuclei Co-57 an odd-even unstable nucleus is often used as a source of radiation in nuclear processes. Show that the nuclei is stable relative to beta plus decay by electron capture

    asked by jay on March 30, 2016
  26. chemistry physics

    Which following assertions are true ? - unanswered 13C NMR is more sensitive than 1H NMR because of the 1.1% natural abundance of 13C nuclei. 13C nuclei have a ½ spin and can be detected in NMR, opposite to more abundant 12C nuclei. 13C NMR requires a

    asked by Abd on December 8, 2015
  27. Chemistry

    What factors control the bond length in a covalent bond? Select all that apply. -It involves the attraction between the two nuclei involved in the bond. -It involves the attraction between the electrons in the bond and the nuclei of the atoms. -It involves

    asked by Anonymous on March 23, 2014
  28. Physics ...

    116In nuclei are produced at the rate of 10 s-1. Calculate the maximum number of 116In nuclei (number in equilibrium) in the sample if the half-life of 116In is 54 m. So far I have come up with ... The half life = 54m x 60 s-1 = 3.24 x 103 s-1 (In2) / λ =

    asked by Ali on August 28, 2014
  29. science

    116In nuclei are produced at the rate of 10 s-1. Calculate the maximum number of 116In nuclei (number in equilibrium) in the sample if the half-life of 116In is 54 m. So far I have come up with ... The half life = 54m x 60 s-1 = 3.24 x 103 s-1 (In2) / λ =

    asked by Ali on August 28, 2014
  30. physics

    116In nuclei are produced at the rate of 10 s-1. Calculate the maximum number of 116In nuclei (number in equilibrium) in the sample if the half-life of 116In is 54 m. So far I have come up with ... The half life = 54m x 60 s-1 = 3.24 x 103 s-1 (In2) / λ =

    asked by Ali on August 27, 2014
  31. science

    The total power output of the Sun is about 3.8 × 1026 W, and the power-producing core has a radius of about 1.4 × 105 km (about 20% of the full radius of the Sun). Using these figures and your knowledge of the energy release in the proton– proton chain

    asked by mj on August 24, 2011
  32. Physics

    Two alpha particles (helium nuclei) are held in place 1.0 nm apart (use 120 on for the diameter of a helium atom). Compare the electric and gravitational forces acting between the two nuclei.

    asked by Dana on September 29, 2018
  33. Physics

    While undergoing fission, a uranium-235 nucleus with its 92 protons splits into two smaller nuclei each of which contains 46 protons and has a radius of 5.90 x 10^-15m. What is the magnitude of the repulsive force between the two nuclei just after the

    asked by Pauline on March 7, 2011
  34. phisic

    (a) One such reaction fuses two nuclei of carbon-12 (12/6C ) to form an atom of neon (20/10Ne ) with the emission of an α-particle. Write an equation for this process, indicating the atomic number and mass number of each of the products in the usual way.

    asked by john ergent help pleaseeeeeeeeeeeeeeeeeee? on April 20, 2013
  35. science help?

    (a) One such reaction fuses two nuclei of carbon-12 ( 6 12C ) to form an atom of neon ( 10 20Ne ) with the emission of an α-particle. Write an equation for this process, indicating the atomic number and mass number of each of the products in the usual

    asked by sam on March 18, 2013
  36. 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

    asked by Haya on April 15, 2017
  37. physics

    occurs when atomic nuclei decay

    asked by sue on September 1, 2011
  38. Biology

    why did the nuclei enriched fraction appear in the centrifuge fraction spun at the slower speed? Why didn't this fraction contain only nuclei(Why wasn't it pure?)?

    asked by Kate on February 11, 2010
  39. biology

    True or False: The multi-cellular stage in the life cycle of a fungus is haploid. http://staff.jccc.net/PDECELL/celldivision/lifecycles.html#fungi Yes, true. And to make it more interesting, there is a species of fungi that live in symbosis with orchid

    asked by bio on March 8, 2007
  40. Chemistry

    How many half lives will it take for a sample of a radioactive isotope containing 20000 radioactive nuclei to decay to 2000 radioactive nuclei

    asked by Dianne on November 16, 2010
  41. science

    A biologist finds a cell with what appears to be two nuclei(nucleus) what conclusion might you make about why this cell appears to have two nuclei?

    asked by Peyton on September 26, 2009
  42. Chemistry

    what is the primary result of a fisson reaction ? 1 conversion of mass to energy 2 conversion of energy to mass 3 binding together of two heavy nuclei 4 binding together of two heavy nuclei i think its 4, am i right ?

    asked by Jazmin on May 5, 2011
  43. Chemistry

    Thinking about the uses of radioactive isotopes, which statement is true? A. The iodine isotope, I-27, is used to diagnose thyroid disorders. B. Radiation may be detected because it ionizes the atoms it affects. C. It’s clearly understood that

    asked by Sadie on June 24, 2010
  44. Chemistry

    Calculate the amount of energy released per gram of nuclei when 2 protium nuclei react to form deuterium nucleus (protium = 1.00782 amu, deuterium = 2.01410 amu). The answer in the book is -2.0 x 10^10 J, but I don't have any idea on how to do this. Please

    asked by Nina on March 15, 2014
  45. physics

    The number of radioactive nuclei present at the start of an experiment is 3.27 x 1015. The number present twenty days later is 7.66 x 1014. What is the half-life (in days) of the nuclei?

    asked by james on October 22, 2015
  46. Astronomy

    The Universe is filled with a frozen in Higgs condensate. If this were to suddenly disappear/evaporate, what would happen? (a) All bound matter—nucleons (made of quarks), nuclei (made of nucleons), atoms (made of nuclei and electrons), people (made of

    asked by qwerty on October 1, 2013
  47. 10th grade

    what is the mathematical relationship between the total charge in the nuclei and the total charge of the nuclei in the products.

    asked by Anonymous on December 16, 2009
  48. Physics

    Mixing copper and zinc atoms produces the alloy brass. What would be produced with the fusion of copper and zinc nuclei?

    asked by Rob on April 25, 2008
  49. Physics

    The last stage in the fusion of hydrogen to form helium in the Sun involves the formation of an ƒ¿-particle (4He) from two 3He nuclei: 3He + 3He ¨ 4He + p + p The binding energy for 3He is 2.57 MeV per nucleon and that for 4He is 7.07 MeV per nucleon.

    asked by charlie on June 18, 2009
  50. physics

    The last stage in the fusion of hydrogen to form helium in the Sun involves the formation of an alpha particle (4He) from two 3He nuclei: 3He + 3He 4He + p + p The binding energy for 3He is 2.57 MeV per nucleon and that for 4He is 7.07 MeV per nucleon.

    asked by charlie on June 19, 2009
  51. Physics

    The last stage in the fusion of hydrogen to form helium in the Sun involves the formation of an alpha particle (4He) from two 3He nuclei: 3He + 3He 4He + p + p The binding energy for 3He is 2.57 MeV per nucleon and that for 4He is 7.07 MeV per nucleon.

    asked by Angie on June 20, 2009
  52. Chemistry

    A reaction is said to be diffusion controlled when it occurs as fast as the reactants diffuse through the solution. The following is an example of a diffusion controlled reaction. The rate constant for this reaction is 1.4x1011 M-1s-1 at 25oC and the

    asked by Kevin on May 19, 2009
  53. Science Lab -Half-Life of Popcorn

    When a radioactive sample decays, there is one less parent nuclei and one more daughter nuclei. As this decay process continues, the number parent nuclei decreases and the number of daughter nuclei increases. Eventually there are no parent nuclei

    asked by Anonymous on October 29, 2010
  54. Chemistry

    What atomic mass is equivalent to seven helium nuclei? What atomic number is equivalent to seven helium nuclei? Now subtract that from the atomic mass and number of ununhexium suppose the isotope of ununhexium ( find the symbol for this as well) undergoes

    asked by bobpursley on February 21, 2007
  55. Biology

    11) The recent Nobel Prize in Physiology or Medicine was awarded based on two sets of experiments. The first of these is described in the following abstract: An important problem in embryology is whether the differentiation of cells depends upon a stable

    asked by melody on October 15, 2012
  56. chemistry

    A magic number is the name given to certain numbers of protons or neutrons that have a high correlation to stability in nuclei. Magic # of protons: 2,8,20,28,50,82 Magic # of neutrons: 2,8,20,38,50,82,126, 184 Using general trends, predict the stability of

    asked by michelle on December 4, 2012
  57. chemistry

    Which answer choice correctly describes why larger atoms tend to break apart? The number of neutrons in the nuclei of larger atoms is equal to the number of protons, which makes these atoms less stable. The proportion of protons and neutrons in the nuclei

    asked by check answer please on September 7, 2017
  58. physics

    Radioactive nuclei are produced in an irradiated sample at the rate of 10 s-1. If the number in the sample builds up to a maximum of 1000, calculate the mean life and the half-life of the radioactive nuclei Using dN / dt = P - λ N dN / dt = 1000n /10/ 1 =

    asked by Ali on August 18, 2014
  59. Biology Help Please!

    1) A transcriptional fusion of regulatory sequences of a particular gene with a reporter gene results in relatively uniform expression of the reporter gene in all cells of an organism, whereas a translational fusion with the same gene shows reporter gene

    asked by Tenshi on May 2, 2016
  60. division differences

    use table to compare appearance of the dividing plant cells with the appearance of the dividing animal cells. dividing of plant cells= -divide the cytoplasm between the 2 new nuclei by forming cell wall between nuclei. i need dividing animal cell help.

    asked by Anonymous on June 17, 2010
  61. chemistry

    Where does radioactivity come from? physical changes in atoms the nuclei of unstable isotopes chemical reaction the breaking of chemical bonds please help

    asked by PLEASE help on September 8, 2017
  62. chemistry

    How is a spectrum obtained in NMR spectroscopy? A. Low-frequency radio waves bombard the atom and cause nuclei in a low spin state to move to a higher spin state. B. High-frequency ultraviolet rays bombard the atom and cause nuclei in a high spin state to

    asked by Morgan on January 28, 2015
  63. ChEmIsTrY

    Alpha rays are really a. electrons b. helium nuclei c. electromagnetic waves I think the answer is B because the alpha particle is a helium nucleus. But I'm confused because if the alpha PARTICLE is a helium nucleus, would alpha RAYS be helium nuclei?

    asked by anon on November 30, 2017
  64. Physics

    In fusion reaction two light nuclie fuse together to form one heavy nucleus.. We know like charges repel each other then how it's possible for the nuclie to fuse 2gether. 2. How is energy released during fusion reaction.a

    asked by Ubaid ullah on October 2, 2017
  65. Physics

    Nuclear fusion reactions require that positively charged nuclei be brought into close proximity, against the electrostatic repulsion. As a simple example, suppose a proton is fired at a second, stationary proton from a large distance away. What kinetic

    asked by BME on October 1, 2013
  66. Physics

    Nuclear fusion reactions require that positively charged nuclei be brought into close proximity, against the electrostatic repulsion. As a simple example, suppose a proton is fired at a second, stationary proton from a large distance away. What kinetic

    asked by Arnold on September 20, 2011
  67. Physics

    Nuclear fusion reactions require that positively charged nuclei be brought into close proximity, against the electrostatic repulsion. As a simple example, suppose a proton is fired at a second, stationary proton from a large distance away. What kinetic

    asked by Arnold on September 20, 2011
  68. Physics

    Nuclear fusion reactions require that positively charged nuclei be brought into close proximity, against the electrostatic repulsion. As a simple example, suppose a proton is fired at a second, stationary proton from a large distance away. What kinetic

    asked by Arnold on September 20, 2011
  69. Reaction Kinetics

    I have been studying a journal, and their objective is to find the ignition temperature, which can shift a reaction from being kinetics-controlled to being diffusion-controlled. What is the advantage of a reaction being diffusion-controlled over a reaction

    asked by Namie on May 8, 2012
  70. Science Help!

    Lisa studied the models of three carbon nuclei shown below. She listed information about the carbon nuclei in a table. Name Carbon 12 number of protons 6 number of neutrons 6. Name Carbon 13 number of protons 6 number of neutrons 7. Name Carbon 14 number

    asked by Callie on November 14, 2014
  71. Neuroscience

    What are the 3 nuclei in the midbrain?

    asked by Caitlin on February 11, 2014
  72. Radioactivity

    If you were trying to design the most effective nuclear fission reactor possible, what ratio of U-235 to U-238 would you want? Explain why What happens to the reaction as the proportion of U-238 nuclei increases? Explain why this happens.

    asked by Hassina on April 23, 2014
  73. Biology

    Are nucleus and nuclei the same thing?

    asked by Brooklyn on June 23, 2015
  74. Organic and Nuclear Chemistry

    Regarding nuclear reactions that release a great deal of energy, which statement is true? A. In a fission chain reaction, a uranium nucleus struck by a high-energy neutron emits two neutrons. B. Nuclear fission releases more energy per unit mass than does

    asked by Demi on June 25, 2010
  75. Science

    Genetic Information is found where? A. nuclei B. ribosome I think A

    asked by sharon on February 17, 2016
  76. physics

    if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I

    asked by kuldeep on May 20, 2013
  77. Science

    What is the comparison in size of chromosomes: Dna, nuclei, and cells?

    asked by Taylor on December 13, 2009
  78. physics

    if The magnitude of the nuclear spinangular momentum of a nuclei is 15 /2 units. Then what will be the value of I

    asked by kuldeep on May 20, 2013
  79. chemistry

    Which statement best describes what must occur for two atoms to combine to form a chemical bond? A. The electrons of one nucleus must transfer to the nucleus of the second atom for a chemical bond to form. B. The repulsive forces of both nuclei must

    asked by Morgan on December 15, 2014
  80. science

    The primary source of energy in our solar sysem is from? a) fusion reaction on the sun b) fission reaction on the sun c) fission reaction on the earth d) fission and fusion in the galaxy e) fusion reactions in comets the answer i picked was a

    asked by babe on August 16, 2010
  81. Physics

    Nuclear fusion reactions require that positively charged nuclei be brought into close proximity, against the electrostatic repulsion. As a simple example, suppose a proton is fired at a second, stationary proton from a large distance away. What kinetic

    asked by Sui on October 2, 2011
  82. biology

    what role do histone proteins play in packaging DNA within nuclei.

    asked by mary on December 14, 2010
  83. Physical Science

    The ___________ of an element have atoms whose nuclei differ in their numbers of neutrons.

    asked by Brann on October 9, 2011
  84. Chemistry

    6. Heat of combustion is the heat released by the complete combustion of one mole of a substance.- T? 7. Catalysts are not consumed during a reaction.- F 8. In nature, processes tend to occur that lead to a higher energy state.- F 9. Concentration does not

    asked by mysterychicken on October 28, 2010
  85. Chemistry

    6. Heat of combustion is the heat released by the complete combustion of one mole of a substance.- T? 7. Catalysts are not consumed during a reaction.- F 8. In nature, processes tend to occur that lead to a higher energy state.- F 9. Concentration does not

    asked by mysterychicken on October 28, 2010
  86. Earth Science

    Clouds will from when condensation nuclei are present and: air reaches its dewpoint. is that all true?

    asked by Anonymous on March 13, 2008
  87. chem

    which pair of atoms represent nuclei that have the same number of neutrons? a Co36 and Co 58 b. Mn57 and Fe 57 c. Ni 58 and Fe 57 d. Ni 58 and Co 57 e. Ni 59 and Fe 56

    asked by greeny on August 26, 2012
  88. Earth Science

       What element has 81 protons in the nuclei of its atoms?  A. Thallium B. Uranium C. Platinum D. Lead A?

    asked by To Ms.Sue on January 28, 2015
  89. Chemistry

    Neutrons are more effective than protons or alpha particles for bombarding atomic nuclei. Why?

    asked by Christina on May 4, 2011
  90. Physics check

    Atoms whose nuclei have the same number of protons but different numbers of neutrons are called.... isotopes?

    asked by Bev on April 17, 2008
  91. physics

    The centers of two helium nuclei are held 2.5*10^-12 m apart, and are then released. Calculate the speed of each necleus when they are 0.75 m apart.

    asked by Lise on February 11, 2010
  92. ap chemistry :(

    consider the reaction C6H14 + 9.5O2 yields 6CO2 + 7H2O at constant pressure. which response is true? 1. work may be done on or by the system as the reaction occurs, depending upon the temperature. 2. work is done on the system as the reaction occurs. 3. no

    asked by sam on October 18, 2012
  93. Science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process? A. Turning on the switch is a process. B.

    asked by Amber on August 26, 2014
  94. SCIENCE

    We did a radioactive decay and half life lab with m&ms and I do not understand these conclusion questions: 1. how many half lives would it take for 500 nuclei to decay to 6.25% of the original number of nuclei? My ans: 3125?- do not think that's right! 2.

    asked by Bethany on November 27, 2014
  95. Science

    Bacteria, such as E coli are simple, single-celled (unicellular) organisms. Elodea, also known as water weed, is a plant that is commonly used in aquariums. Which of the following is a main difference in cell structure between an E coli and an Elodea cell?

    asked by davonte on January 9, 2018
  96. Science

    Bacteria, such as E coli are simple, single-celled (unicellular) organisms. Elodea, also known as water weed, is a plant that is commonly used in aquariums. Which of the following is a main difference in cell structure between an E coli and an Elodea cell?

    asked by davonte on January 10, 2018
  97. Science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b.

    asked by Anonymous on September 19, 2013
  98. Science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b.

    asked by Anonymous on September 19, 2013
  99. science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b.

    asked by Anonymous on September 19, 2013
  100. science

    Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system us an example of a process? a. Turning on the switch is a process. b.

    asked by Anonymous on September 19, 2013