producing another action potential (Stillman‚ 2005). In this lab‚ compound action potentials (CAPs) will be measured from an isolated sciatic nerve from a cane toad‚ Bufo marinus. Compound action potentials are the total sum of action potentials from the multitude of neurons that compose a nerve (Stillman‚ 2005).
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Unknown 2 Scheme “ Fair game” ions Cations: Na+‚ K+‚ NH4+ ‚ Ca2+‚ Mg(OH2)62+ ‚ Al(OH2)63+ Anions: SO42-‚ HSO4-‚ NO3-‚ OH-‚ Cl-‚ CO32-‚ HCO3- Insoluble Compounds: Ca(OH)2‚ CaSO4•2H2O‚ CaCO3‚ MgCO3‚ Mg(OH)2 I. Describe Sample a. Quick description of sample. Ex: Phase‚ color‚ odor‚ crystalline‚ amorphous‚ gel-like‚ powdery‚ etc. II. Flame Test a. Part 1 i. Orange Flame: Na+ is present. K+ ‚ NH4+ ‚ Ca2+‚ Mg(OH2)62 ‚ Al(OH2)63+ may also be present. ii. Purple Flame: K+ is present (no Na+
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A political party is an organization of people who share and believe in a particular set of ideologies for what that state should be doing for its citizens. A party should as well‚ has a set of policy objectives. If the people view you as having goals and a purpose for their country‚ they would want to see you as the man/woman in charge. Political parties organize candidates and raise money for elections. Having the right candidate is key to winning an election. Most modern political parties rely
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Lillian Zhang AP Chemistry 3rd Period Formula of an Unknown Hydrate The purpose of the Formula of an Unknown Hydrate lab is to determine the weight percentage of H2O hydrated to an unknown salt and the empirical formula for the hydrated salt. To do this‚ a massed amount of the hydrate is heated over either a hot plate or Bunsen burner. This causes the water to be removed‚ leaving the anhydrous salt behind in the dish. The mass of the anhydrous salt‚ now with the absence of water‚ is less than
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St.‚ Intramuros‚ Manila Melting Point and Boiling Point of Organic Compounds Group No. 5 Manacup‚ Cris Vincent L. Oblena‚ Adrian D. Ong‚ Joshua Jyro B.* *Leader ABSTRACT In compounds‚ two of the physical properties affected by the varying structures are melting point and boiling point. Through the use of the Thomas-Hoover Melting Point Apparatus or the micro method‚ the melting and boiling point of organic compounds are now determined. The aim of this experiment is to know the factors
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The addiction to devices are becoming more and more vivid in this period of time. Quite frankly‚ how many times have we seen a child cry‚ and their parent lends them their iPhone to cease their crying. Raising kids in this type of environment may seem a little overwhelming for the parents with all the potential negativity that navigates throughout their kids. Most of the time‚ these knowledges that they absorb often create their identity. It is quite fascination how parents cope with their offspring
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EXPERIMENT 6 – Empirical Formula of a Compound INTRODUCTION Chemical formulas indicate the composition of compounds. A formula that gives only the simplest ratio of the relative number of atoms in a compound is the empirical formula or simplest formula. The ratio usually consists of small whole numbers. We call a formula that gives the actual numbers of each type of atom in a compound the molecular formula. The numbers in a molecular formula will be whole number multiples of the numbers in an empirical
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Contemporary American history will make one believe that American history has its beginning in the early colonies with a connection to the British crown. This contemporary history then states that because of our hatred of the Crown and its taxation without representation‚ we decided to create a brand new country‚ all without any major domestic turmoil. That is by far not the case‚ in contrast‚ according to many historians it is a surprise that America turned out the way it did. America was founded
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Pollution problems that are serious but that are relatively unknown Many kinds of pollution exist worldwide. Many familiar pollution problems are known to many people such as pollution from the garbage‚ air pollution from cars and industry‚ pollution released into water from the factories and so on. There are many occurring spots worldwide that serious pollution problems have taken place‚ but do you wonder where those places are? Some of the significant scenes are worth knowing. Here are some scenes
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15 January – About 6 million are unemployed in Germany. 25 February – Adolf Hitler obtains German citizenship by naturalization‚ opening the opportunity for him to run in the 1932 election for Reichspräsident. 10 April – Paul von Hindenburg is elected president of Germany. 30 May – Chancellor Heinrich Brüning resigns. President Hindenburg asks Franz von Papen to form a new government. 14 June – Bans against the SS and SA are overturned. 17 July – Altona Bloody Sunday: In Altona‚ armed communists
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