Module 2 Mass Spectroscopy [pic] [pic] Diagram of a mass spectrometer Stage 1: Ionisation The sample is injected as a vapour and the atoms are bombarded by fast moving electrons. This causes the molecule to fragment into two or more pieces. When a molecule or part thereof fragments‚ one portion would be positively charged while the second portion will be uncharged. All uncharged fragments are ultimately lost in the machine as mass spectrometers only work with positive ions. Stage 2: Acceleration
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The Atomic Mass of Metallo You may have noticed on the periodic table that the atomic mass of an element is usually not a whole number. That happens because of isotopes. An atom that is missing a neutron or has an extra neutron is called an isotope. They are still the same element; however‚ they are just a little different from every other atom of the same element. Most of the carbon atoms in the universe are Carbon-12‚ with 6 neutrons. A small percentage of carbon atoms are Carbon-13‚ with 7 neutrons
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Lab Report for Chemical Changes and Conservation of Mass Lab Previous to the reaction‚ the magnesium appeared to be a solid‚ white‚ black‚ and grey substance with many small dark particles within the substance. The hydrochloric acid was a clear liquid that looked like water It weighed 42.2 grams in total. During the reaction‚ the two substances produced bubbles‚ creating smoke and became warm with a smell that is irritating to the human nose. After the reaction‚ it appeared to be a clear‚ bubbly
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Some claim that mass marketing is becoming less significant; others claim that it is not and that there will always be room for large brands that employ marketing programs that target the mass market. But which is the truth? Is mass marketing really dead‚ or is it still as alive as ever? The content to follow looks to further expand on the issue at hand. First off‚ what exactly is “mass marketing”? In mass marketing‚ the company goes after the whole market‚ therefore ignoring all possible segment
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Experiment 1 mass determinations Objective: The purpose of this experiment is to see the difference of precision of different balances. When doing experiments we determine the mass my measuring the sample with a balance. There are many kinds of balances that measure to different precisions. This experiment shows the different results that two balances can give. Summary of Procedures Determine the mass with the triple beam scale to the most precise measurement possible for the scale.
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Mass Wasting (also Mass Movement): - is the down slope movement of earth materials under the influence of gravity. The detachment and movement of earth materials occurs if the stress imposed is greater than the strength of the material to hold it in place. - Mass movement is a naturally occurring process that contributes to the cycle of tectonic uplift‚ erosion‚ transportation‚ and deposition of sediments. They are responsible for the topography of mountain ranges and river
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demonstrations that took place between 1954 and 1968. Although the Civil Rights Movement started off in the southern states‚ it rapidly rose to national prominence once it was gaining more media coverage. Events like the 1955 Montgomery Bus Boycott and the tragic murder of 15-year-old Emmitt Till is what aided the national media coverage to rise. Televisions had a huge impact on giving Americans across the country an insight on how brutal racism was. The number of families in America that had a television
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(decoder). Any disruption‚ garbling or malfunction at any point of that communication sequence could result in the failure of a successful communication. There are several level of communication which are interpersonal‚ intrapersonal‚ group‚ public and mass communication. Every of these levels bring difference situation and purposes‚ for example between public and intrapersonal communication. Public communication involves one person who speaks to a large number of people while intrapersonal communication
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Mass There are many benefits and reasons of attending Mass. One of the reasons for attending mass is to gain the benefits of the Holy Spirit‚ and also to receive the body and blood of Christ. Attending mass is also a very big part of our religion it is considered a sin if you don’t attend the service. I believe that mass and prayer is the only way you can communicate with god mentally and physically. But when I’m in church the feeling of warmth and adoration is stronger. Some may as well feel
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• Usman Sabir • Hafiz Usama Mehtab • Rizwan Jabbar • Waqas • Numan Saeed University of education (Lower mall campus) Lahore EFFECTS OF MEDIA ON HUMAN BEHAVIOR Dedications To my father‚ Muhammad Beram Khan‚ who make me stronger and give me a different positive point of view‚ my mother who gives
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