Mark Scheme (Results) Summer 2012 International GCSE Chemistry (4CH0) Paper 1C Science Double Award (4SC0) Paper 1C Edexcel Level 1/Level 2 Certificate Chemistry (KCH0) Paper 1C Science (Double Award) (KSC0) Paper 1C Edexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson‚ the world’s leading learning company. We provide a wide range of qualifications including academic‚ vocational‚ occupational and specific programmes for employers. For further information‚
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level 5054/11 PHYSICS Paper 1 Multiple Choice May/June 2013 1 hour Additional Materials: *9093782875* Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the Answer Sheet in the spaces
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The Nuclear Reactor Core Basic Principles Wang Ming ( 2012380022) (Filippo Fiori) Contents 1 Introduction 6 1.1 The Qualification Process 6 1.2 The Objective: the On-Transient Qualification by “CNA2 Scaled Calculations” 9 1.3 Structure of the Report 10 2 Facility description 11 3 Test description 11 4 Scaling approach 12 5 CNA2 scaled nodalization 16 5.1 Reference CNA2 Input 16 5.2 Common Features of CNA2 Scaled Nodalization 22 5.2.1 Atucha-2 Scaled Nodalization with Moderator System
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Science Neutron stars‚ second only to black holes and pints of Guinness as the densest objects in the Universe‚ may have liquid in their cores‚ observations of a dead star shrouded in the debris of a distant supernova suggest. Two separate teams of scientists say that a frictionless state of matter called a superfluid is the only reasonable explanation for temperature changes recently observed in the youngest known neutron star. “This the first direct evidence for superfluidity in neutron stars‚”
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Abstract Ernest Rutherford’s Gold Foil Experiment was a major stepping stone one the way to discovering what the atom was really made up of. From the beginning of his research with alpha particles to his discovery of the atomic nucleus‚ Rutherford made many contributions to the microscopic world of the atom. The Rutherford Experiment‚ otherwise known as the Gold Foil Experiment‚ was the crown of his achievements‚ and it was during this experiment that he discovered the atomic nucleus. (Aydin &Hanuscin
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A release of nuclear energy occurs when the nuclei of atoms are changed. Hydrogen and uranium are two kinds of matter used to produce nuclear energy. In a nuclear reaction‚ the tremendous binding energy inside a hydrogen or uranium nucleus is released. Nuclear energy is released during atomic fission‚ when uranium nuclei are split. It is also released during fusion‚ when hydrogen nuclei combine to form a helium nucleus. In fission and fusion‚ nuclear energy produces thermal energy‚ which is
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Pineda‚ Carlitos Miguel Ponce M. January 9‚ 2013 AIT2A Natural Science 12 ATOM DEVELOPMENT WITH SCIENTISTS INVOLVED 400 B.C. - Democritus’ atomic theory posited that all matter is made up small indestructible units he called atoms. Democritus expanded the idea to state that matter was composed of small particles called "atoms" that could be divided no further. These atoms were all composed of the same primary matter with the only differences between them being their size‚ shape
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Science: Bringing Countries Together Governments in the Middle East are talking about a new particle accelerator named Sesame‚ which‚ they hope‚ will be functional by 2015. Sesame will be the first particle accelerator in the Middle East. Countries as opposed as Turkey‚ Pakistan‚ Cyprus‚ Iran and Israel are all involved. How amazing is it that this scientific community is ignoring political issues and joining together? Even better‚ their governments are supporting them. The name Sesame stands
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1. What does non-proliferation and disarmament in the discussion on nuclear weapons mean?(10Marks) A nuclear weapon is an explosive device that comes its damaging force from nuclear reactions‚ either fission or a combination of fission and fusion. There are many countries posses with nuclear weapon such as United State‚ Russia‚ France‚ China and United Kingdom. Non-proliferation and Disarmament is one program to prevent the nuclear weapon spread freely without any way of prevention. The non-proliferation
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2.2.1.6 Inductively Coupled Plasma-Atomic Emission Spectroscopy Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES) is one of several techniques available in analytical atomic spectroscopy. ICP-AES utilizes plasma as the atomization and excitation source. Plasma is an electrically neutral‚ highly ionized gas that consists of ions‚ electrons‚ and atoms. Most analytical plasmas operate with pure argon or helium‚ which makes combustion impossible. Plasmas are characterized by their temperature
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